GleghornLab/Signor_processed · Datasets at Hugging Face

IdA stringlengths 6 21	IdB stringlengths 6 21	labels float64 0 2	mechanism stringclasses 40 values	effect stringclasses 10 values	score float64 0.1 0.99 ⌀	sentence stringlengths 10 1.63k ⌀	signor_id stringlengths 12 14
P27361	P46527	1	phosphorylation	down-regulates	0.376	These data suggest that increased signaling by erbb receptors up-regulates mapk activity, which, in turn, phosphorylates and destabilizes p27, thus contributing to dysregulated cell cycle progression.	SIGNOR-80234
P07384	P25116	1	cleavage	up-regulates activity	0.376	PAR1E and PAR2E (10 microM) were incubated in the presence of the different proteases \| The enzymes were used at the following concentrations: 0.5 unit/mL thrombin, 2.5 nM trypsin, 20 nM plasmin, 20 nM cathepsin G, 20 nM elastase, 20 nM proteinase 3, and 2 units/mL calpain I and II\|Protease-activated receptors (PARs) mediate cell activation after proteolytic cleavage of their extracellular amino terminus.\|Protease-activated receptors (PARs) mediate cell activation after proteolytic cleavage of their extracellular amino terminus.\|Protease-activated receptors (PARs) mediate cell activation after proteolytic cleavage of their extracellular amino terminus	SIGNOR-263559
Q16827	P40763	1	dephosphorylation	down-regulates activity	0.376	In addition, this group found that PTPRO dephosphorylated STAT3 at Y705 and S727 then attenuated STAT3 signalling.	SIGNOR-277062
Q7Z6J0	Q12852	1	binding	up-regulates	0.376	One explanation as provided by our model is that mlk3 and dlk interact indirectly via posh with mutual activation when both are wild-type the multidomain protein posh binds to the constitutively active form of rac1, which is known to regulate the activity of mlks, while jip1 binds to mlks and additional components of the jnk pathway and appears to be capable of activating mlks	SIGNOR-108577
P06400	P17480	1	binding	down-regulates activity	0.376	Activity of RNA polymerase I transcription factor UBF blocked by Rb gene product	SIGNOR-262589
P45983	P54259	1	phosphorylation	down-regulates activity	0.376	Dentatorubral-pallidoluysian atrophy protein is phosphorylated by c-jun nh2-terminal kinase. serine 734 of the drpla protein is a phospho-acceptor site by jnk. The phosphorylation may be coupled to the activation of a protease. The molecular size of drpla protein detected in the rat brain with the specific phosphopeptide antibody was 150_kda, which was slightly smaller than that expected from the sequence and the results with the human protein. The phosphorylated forms of ha-tagged human drpla gradually disappeared after osmotic treatment,	SIGNOR-102398
Q5S007	O43353	1	phosphorylation	up-regulates activity	0.376	Altogether, our results indicate a scenario that LRRK2 physically interacts with Rip2 and promotes phosphorylation of Rip2.\|Taken together, our results show that LRRK2 enhances Rip2 activity by promoting the phosphorylation of Rip2 at Ser176.	SIGNOR-278953
P49841	Q07812	1	phosphorylation	up-regulates	0.376	Glycogen synthase kinase-3beta phosphorylates bax and promotes its mitochondrial localization during neuronal apoptosis. Gsk-3beta directly phosphorylated bax(alpha) on ser163	SIGNOR-130141
Q05923	Q16659	1	dephosphorylation	down-regulates activity	0.376	DUSP2 can dephosphorylate both ERK3 and ERK4 when expressed in mammalian cells.\|Finally, we demonstrate that DUSP2 inhibits ERK3 and ERK4 mediated activation of MK5.	SIGNOR-277069
Q0VAM2	P01112	1	binding	up-regulates	0.376	Gefs catalyse the transition from gdp-bound, inactive ras to gtp-bound, active ras.	SIGNOR-183832
P19784	Q9UD71	1	phosphorylation	up-regulates activity	0.375	Study of [Plphosphate release during manual Edman degradation confirmed that the phosphorylated residues in rat DARPP-32 were Ser45 and Ser102. \| Phosphorylation by casein kinase II did not affect the potency of DARPP-32 as an inhibitor of protein phosphatase-1, which depended only on phosphorylation of Thr34 by cAMP-dependent protein kinase. However, phosphorylation of DARPP-32 by casein kinase II facilitated phosphorylation of Thr34 by cAMP-dependent protein kinase	SIGNOR-251018
Q9NZP8	P00738	1	cleavage	up-regulates activity	0.375	We demonstrate that coexpression of the proform of Hp (proHp) and C1r-LP in COS-1 cells effected cleavage of proHp in the endoplasmic reticulum. This cleavage depended on proteolytic activity of C1r-LP because mutation of the putative active-site Ser residue abolished the reaction. Furthermore, incubation of affinity-purified C1r-LP and proHp led to the cleavage of the latter protein. ProHp appeared to be cleaved at the expected site because substitution of Gly for Arg-161 blocked the reaction.	SIGNOR-256358
P45983	P05787	1	phosphorylation	up-regulates	0.375	Kinase assays showed that c-jun n-terminal kinase (jnk) was also activated with activation kinetics corresponding to that of k8 phosphorylation. Furthermore, k8 was also phosphorylated on ser-73 by jnk in vitro. The ser-73 --> ala-associated filament reorganization defect is rescued by a ser-73 --> asp mutation. Also, disease-causing keratin mutations can modulate keratin phosphorylation and organization, which may affect disease pathogenesis.	SIGNOR-113645
P49137	O95453	1	phosphorylation	down-regulates	0.375	Mk2 phosphorylates parn, blocking gadd45_ mrna degradation. Parn can serve as a direct substrate for mk2, and demonstrating that ser-557 is the dominant mk2 phosphorylation site.	SIGNOR-168377
P54764	P51692	1	phosphorylation	up-regulates activity	0.375	We have shown here that EphA4 can phosphorylate STAT5B, but it is not yet clear whether the nuclear translocation of phosphorylated STAT5B is enhanced by EphA4.	SIGNOR-278934
P25021	P38405	1	binding	up-regulates activity	0.375	Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. \| We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. \| The score associated to this interaction has a LogRAi ≥ -1.0.	SIGNOR-256920
P78527	Q00839	1	phosphorylation	up-regulates	0.375	We identify heterogeneous nuclear ribonucleoprotein u (hnrnp-u), also termed scaffold attachment factor a (saf-a), as a specific substrate for dna-pk. We show that hnrnp-u is phosphorylated at ser59 by dna-pk in vitro and in cells in response to dna double-strand breaks	SIGNOR-185058
Q8N5U6	P50222	1	binding	up-regulates activity	0.375	RFN10 co-immunoprecipitates with MEOX2. RNF10 potentiates MEOX2 transcriptional activation	SIGNOR-236968
P28358	O00470	1	binding	up-regulates activity	0.375	We now show that the Hoxa-9 protein physically interacts with Meis1 proteins. Hox proteins from the other AbdB-like paralogs, Hoxa-10, Hoxa-11, Hoxd-12, and Hoxb-13, also form DNA binding complexes with Meis1b. DNA binding complexes formed by Meis1 with Hox proteins dissociate much more slowly than DNA complexes with Meis1 alone, suggesting that Hox proteins stabilize the interactions of Meis1 proteins with their DNA targets.	SIGNOR-241226
Q8TBB1	Q96KB5	1	ubiquitination	down-regulates quantity by destabilization	0.375	We used the Ligand of Numb protein X (LNX) family of E3s, a group of PDZ domain-containing RING-type E3 ubiquitin ligases, to demonstrate the feasibility of this strategy. Many potential substrates of LNX E3s were identified. Eight of the nine selected candidates were ubiquitinated in vitro, and two novel endogenous substrates, PDZ-binding kinase (PBK) and breakpoint cluster region protein (BCR), were confirmed in vivo.	SIGNOR-272898
Q9UHD2	Q15025	1	phosphorylation	down-regulates quantity by destabilization	0.375	TBK1 phosphorylation activates LIR-dependent degradation of the inflammation repressor TNIP1	SIGNOR-275733
Q13315	Q9UBU7	1	phosphorylation	down-regulates	0.375	Dbf4/cdc7 (dbf4-dependent kinase (ddk)) is activated at the onset of s-phase, and its kinase activity is required for dna replication initiation from each origin. We identified novel atm/atr phosphorylation sites on dbf4 and showed that atm/atr-mediated phosphorylation of dbf4 is critical for the intra-s-phase checkpoint to inhibit dna replication.	SIGNOR-177793
P17252	P38936	1	phosphorylation	up-regulates activity	0.375	Binding of calmodulin to the carboxy-terminal region of p21 induces nuclear accumulation via inhibition of protein kinase c-mediated phosphorylation of ser153\| When phosphorylated at Ser153, p21 is located at the cytoplasm and disrupts stress fibers.	SIGNOR-139302
Q9Y4L5	P00533	1	polyubiquitination	down-regulates quantity by destabilization	0.375	RNF126 and Rabring7 associate with the EGFR through a ubiquitin-binding zinc finger domain and both E3 ubiquitin ligases promote ubiquitylation of EGFR. In HeLa cells depleted of either RNF126 or Rabring7 the EGFR is retained in a late endocytic compartment and is inefficiently degraded.	SIGNOR-272104
P42229	P11309	1	transcriptional regulation	up-regulates quantity by expression	0.375	The results of 2 microarray experiments demonstrated that the aberrant activation of STAT proteins by Flt3-ITDs resulted in the up-regulation of several STAT5-responsive genes, such as Pim-1, Pim-2, and members of the SOCS (suppressor of cytokine signaling) protein family. These results are particularly interesting because recent data point to an important role of Pim kinases in the antiapoptosis of hematopoietic cells.	SIGNOR-249621
P84022	P49715	1	binding	down-regulates activity	0.375	Thus, repression of the activity of C/EBPs by Smad3/4 at C/EBP binding sites inhibited transcription from the PPAR2 and leptin promoters	SIGNOR-241924
Q92915	Q99250	1	binding	down-regulates activity	0.375	Sodium channel fast inactivation is modulated by alpha subunit interaction with a family of cytoplasmic proteins termed fibroblast growth factor homologous factors (FHFs). In this paper, we report that all A-type FHFs exert rapid onset long-term inactivation on Nav1.6 and other sodium channels.	SIGNOR-253429
P58417	Q9Y4C0	1	binding	up-regulates	0.375	We show that neurexophilins 1 and 3 but not 4 (neurexophilin 2 is not expressed in rodents) bind to a single individual lns domain, the second overall lns domain in all three alpha-neurexins.	SIGNOR-60643
Q9NPA2	P08253	1	cleavage	up-regulates activity	0.375	Direct activation of pro-matrix metalloproteinase-2 by leukolysin/membrane-type 6 matrix metalloproteinase/matrix metalloproteinase 25 at the asn(109)-Tyr bond. Leukolysin Cleaves ProMMP-2 at Asn66-Leu and Asn109-Tyr.	SIGNOR-256345
P07948	O60711	1	phosphorylation	up-regulates activity	0.375	Of a total of 11 tyrosine sites in LPXN, we mutated Tyr(22), Tyr(72), Tyr(198), and Tyr(257) to phenylalanine and demonstrated that LPXN was phosphorylated by Lyn only at Tyr(72) and that this tyrosine site is proximal to the LD3 domain. We further show that LPXN suppressed the secretion of interleukin-2 by BCR-activated A20 B cells and that this inhibition was abrogated in the Y72F LPXN mutant, indicating that the phosphorylation of Tyr(72) is critical for the biological function of LPXN.	SIGNOR-262892
Q99608	Q9Y6B2	1	binding	up-regulates activity	0.375	The Prader-Willi syndrome protein necdin interacts with the E1A-like inhibitor of differentiation EID-1 and promotes myoblast differentiation.	SIGNOR-237614
P31751	Q15118	2	phosphorylation	up-regulates activity	0.375	Using a phosphoproteomics screen, we now show that active Akt accumulates in the mitochondria during hypoxia and phosphorylates pyruvate dehydrogenase kinase 1 (PDK1) on Thr346 to inactivate the pyruvate dehydrogenase complex.	SIGNOR-277271
P06213	P0DP25	1	phosphorylation	down-regulates	0.375	The in vitro phosphorylation of calmodulin by the insulin receptor tyrosine kinase. Phosphorylated calmodulin does not exhibit the characteristic ca2+ shift normally observed with calmodulin in electrophoretic gels, an observation that is consistent with this modification affecting the biological activity of the molecule.	SIGNOR-266336
P50406	P38405	1	binding	up-regulates activity	0.375	Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. \| We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. \| The score associated to this interaction has a LogRAi ≥ -1.0.	SIGNOR-256944
P31751	P15311	1	phosphorylation	up-regulates	0.375	Purified akt directly phosphorylates recombinant ezrin at threonine 567 in vitro in an atp-dependent manner. ezrin activation after initiation of na+-glucose cotransport requires akt2 expression	SIGNOR-130260
Q8N6U8	P63092	1	binding	up-regulates activity	0.375	Shh signaling directs Gpr161 to be internalized from cilia, preventing its activity.	SIGNOR-259936
Q15118	P31751	2	phosphorylation	up-regulates activity	0.375	Since both AKT-1, AKT-2, and SGK-1 are phosphorylated by PDK-1 and are themselves capable of phosphorylating DAF-16, their direct contact may reflect a temporary, regulatory interaction.\|This demonstrates that functional PDK-1 is required to activate AKT-1, AKT-2, and SGK-1 in vivo.	SIGNOR-279248
Q9NPA3	Q13085	1	binding	up-regulates activity	0.375	Recently, we reported the discovery that MIG12, a 183 amino acid protein, binds to ACC1 and ACC2, which induces polymerization and subsequently increases the enzymatic activity of the protein	SIGNOR-267111
P28221	P09471	1	binding	up-regulates activity	0.375	Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. \| We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. \| The score associated to this interaction has a LogRAi ≥ -1.0.	SIGNOR-257000
Q13639	P38405	1	binding	up-regulates activity	0.375	Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. \| We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. \| The score associated to this interaction has a LogRAi ≥ -1.0.	SIGNOR-256912
P10398	Q15599	1	phosphorylation	up-regulates activity	0.375	We also identify A-Raf as a kinase necessary for E3KARP phosphorylation at the G2/M stage of the cell cycle. Phosphorylation of Ser-303 regulates the localization, function, and dynamics of E3KARP	SIGNOR-273503
P24941	P53350	1	phosphorylation	up-regulates activity	0.375	Thus, CycA2-CDK2 can stimulate phosphorylation of PLK1 T210 in vitro and the interactions required for CycA2-mediated PLK1 T210 phosphorylation are detected in the cytoplasm, but not in the nucleus.\|We find that Cyclin A2-CDK2 can activate the mitotic kinase PLK1 through phosphorylation of Bora, and that only cytoplasmic Cyclin A2 interacts with Bora and PLK1.	SIGNOR-280212
P19784	P52655	1	phosphorylation	up-regulates activity	0.374	We now show that human TFIIA is phosphorylated in vivo on serine residues that are partially conserved between yeast and human TFIIA large subunits. Alanine substitution mutation of serine residues 316 and 321 in TFIIA alphabeta reduced TFIIA phosphorylation significantly in vivo. Additional alanine substitutions at serines 280 and 281 reduced phosphorylation to undetectable levels. Mutation of all four serine residues reduced the ability of TFIIA to stimulate transcription in transient transfection assays with various activators and promoters, indicating that TFIIA phosphorylation is required globally for optimal function.	SIGNOR-250996
Q13153	P16949	1	phosphorylation	down-regulates	0.374	The hgf-induced wave2 transport, lamellipodia formation, stathmin/op18 phosphorylation at ser38 and binding to kinesin-wave2 complex, but not stathmin/op18 phosphorylation at ser25 and microtubule growth, were abrogated by pak1 inhibitor ipa-3	SIGNOR-183503
P31749	P17542	1	phosphorylation	down-regulates	0.374	Akt phosphorylates tal1 oncoprotein and inhibits its repressor activity. / our results show that akt specifically phosphorylates thr90 of the tal1 protein within its transactivation domain in vitro and in vivo.	SIGNOR-252479
P14136	P60709	1	binding	up-regulates quantity	0.374	GFAP is the major cytoskeletal element and scaffold of astrocytes In astrocytes, GFAP has close interaction with F-actin molecularly and functionally.	SIGNOR-269271
P18031	P08922	1	dephosphorylation	down-regulates	0.374	In an approach to gain insight into the sequence-dependent dephosphorylation of multiple phosphotyrosyl-containing peptides by the phosphatases shp-1 and ptp1b, we applied a chromatographic technique for the analysis of the dephosphorylation products.	SIGNOR-154199
P06239	P60484	1	phosphorylation	up-regulates	0.374	Thus, y240a and y315a are involved in the ability of mmac/pten to dephosphorylate ptdins and regulate tumor cell growth in vitro and in vivo.	SIGNOR-116499
P30559	P14416	1	binding	up-regulates activity	0.374	Dopamine D2 receptor (D2R)–oxytocin receptor (OTR) interactions exist within heterocomplexes with facilitatory effects on D2R recognition and Gi/o coupling. Dopamine D2 receptor (D2R)–oxytocin receptor (OTR) interactions exist within heterocomplexes with facilitatory effects on D2R recognition and Gi/o coupling.	SIGNOR-270333
P46934	Q9Y4H2	1	ubiquitination	up-regulates activity	0.374	Nedd4 monoubiquitinates IRS-2, which promotes its association with Epsin1, a ubiquitin binding protein.	SIGNOR-278659
P19784	Q9Y5B0	1	phosphorylation	down-regulates activity	0.374	We found that only phosphorylated FCP1 can physically interact with TFIIF. We set out to purify an FCP1 kinase from HeLa cells and identified casein kinase 2, which, surprisingly, displayed a negative effect on FCP1-associated activities.\| Phosphorylation of FCP1 by CK2 Inhibits the Transcription Elongation Activity of FCP1. \| Two in vivo phosphorylation sites within the C terminus of FCP1 at Ser-575 and Ser-740 were identified	SIGNOR-250986
Q969X5	Q9Y282	1	binding	up-regulates quantity by stabilization	0.374	Among novel cycling proteins we have characterized ERGIC-32, a new ERGIC protein that interacts with human Erv46, a protein previously characterized in yeast and functioning in ER to Golgi protein trafficking. ERGIC-32 interacts with human Erv46 (hErv46) as revealed by covalent cross-linking and mistargeting experiments, and silencing of ERGIC-32 by small interfering RNAs increases the turnover of hErv46. We propose that ERGIC-32 functions as a modulator of the hErv41-hErv46 complex by stabilizing hErv46.	SIGNOR-260637
P28482	Q9NXR1	1	phosphorylation	up-regulates activity	0.374	Moreover, both proteins were phosphorylated by Cdc2 and Erk2 in vitro. In the case of Nudel, the phosphorylation sites were also located in the S/TP motifs. Detailed mutagenesis study indicated that T219, S242, and T245 were phosphorylated by Cdc2, while T219 and T245 were phosphorylated by Erk2.\|Phosphorylation of Nudel in M phase appears to positively modulate dynein motor activity. Both phosphorylated and unphosphorylated forms of Nudel were transported by dynein (Fig. 7 and 9 and data not shown), indicating that neither of them inactivated the dynein motor. On the other hand, both phospho-Nudel and Nudelpmt5 bound Lis1 more strongly than Nudel or Nudelmt5 did	SIGNOR-249422
Q13438	Q9HBA0	1	binding	up-regulates quantity by stabilization	0.374	Here we report that OS-9, a ubiquitously expressed endoplasmic reticulum (ER)-associated protein, interacts with the cytosolic N-terminal tail of TRPV4.Thus, OS-9 regulates the secretory transport of TRPV4 and appears to protect TRPV4 subunits from the precocious ubiquitination and ER-associated degradation. Our data suggest that OS-9 functions as an auxiliary protein for TRPV4 maturation.	SIGNOR-261064
P48730	P10636	1	phosphorylation	down-regulates	0.374	Casein kinase 1 delta phosphorylates tau and disrupts its binding to microtubules.Here we characterized the contribution of one ck1 isoform, ckidelta, to the phosphorylation of tau at residues ser202/thr205 and ser396/ser404 in human embryonic kidney 293 cells.	SIGNOR-121717
P62136	P51955	1	dephosphorylation	down-regulates	0.374	Nek2 is activated by autophosphorylation, and its dephosphorylation is catalyzed by pp1	SIGNOR-152949
Q86T96	O95409	1	ubiquitination	down-regulates quantity by destabilization	0.374	Rinescan directly interact with Zic2. the ubiquitination of endogenous Zic2 was enhanced by Myc-Rines in rat neural stem cellline MNS70 cells. Rines-induced degradation of Zic2	SIGNOR-226303
O60858	Q00987	1	polyubiquitination	down-regulates quantity by destabilization	0.374	Here, we demonstrate that overexpression of RFP2 in cells induced apoptosis through proteasomal degradation of MDM2 and AKT. We observed that RFP2 formed a complex with MDM2, a negative regulator of the p53 tumor suppressor, and AKT, a regulator of apoptosis inhibition at the cellular level. Additionally, we found that the interaction of RFP2 with MDM2 and AKT resulted in ubiquitination and proteasomal degradation of MDM2 and AKT in vivo and in vitro.	SIGNOR-271851
P36894	A6ND36	1	phosphorylation	up-regulates activity	0.374	These results indicate that ALK3 phosphorylates PAWS1 predominantly at Ser610 but can also phosphorylate at Ser614 and Ser616 in vitro. \|Here, we report the discovery and characterization of PAWS1/FAM83G as a novel SMAD1 interactor. PAWS1 forms a complex with SMAD1 in a SMAD4-independent manner, and BMP signalling induces the phosphorylation of PAWS1 through BMPR1A. The phosphorylation of PAWS1 in response to BMP is essential for activation of the SMAD4-independent BMP target genes NEDD9 and ASNS. Our findings identify PAWS1 as the first non-SMAD substrate for type I BMP receptor kinases and as a novel player in the BMP pathway.	SIGNOR-264766
P00519	Q06124	1	phosphorylation	up-regulates activity	0.374	Direct phosphorylation of SHP-2 by Abl kinases (Y580) promotes sustained activation of SHP-2 signaling and proliferation, and c-Abl/Abl-Related Gene-dependent activation of tyrosine kinase X further potentiates SHP-2 signaling by phosphorylating SHP-2 on Y63.\|Endogenous Abl kinases phosphorylate SHP-2 on Y580 and induce sustained ERK phosphorylation in response to PDGF.	SIGNOR-278217
P68400	P33527	1	phosphorylation	up-regulates	0.374	Casein kinase 2_ regulates multidrug resistance-associated protein 1 function via phosphorylation of thr249. This study supports a model in which ck2_ potentiates mrp1 function via direct phosphorylation of thr249.	SIGNOR-197844
O00399	P53350	1	binding	up-regulates activity	0.374	Here, we show that the p27/p25 heterodimer undergoes mitotic phosphorylation by cyclin‐dependent kinase 1 (Cdk1) at a single site, p27 Thr186, to generate an anchoring site for polo‐like kinase 1 (Plk1) at kinetochores.	SIGNOR-264798
P23327	P16615	1	binding	down-regulates activity	0.374	Furthermore, a Ser96Asp HRC variant, which mimics constitutive phosphorylation of Ser96, diminished delayed aftercontractions in HRC null cardiac myocytes. This HRC phosphomimetic variant was also able to rescue the aftercontractions elicited by the Ser96Ala variant, demonstrating that phosphorylation of Ser96 is critical for the cardioprotective function of HRC. Phosphorylation of HRC on Ser96 regulated the interactions of HRC with both triadin and SERCA2a, suggesting a unique mechanism for regulation of SR Ca homeostasis.	SIGNOR-273662
Q13148	Q9UPY3	1	post transcriptional regulation	up-regulates quantity	0.374	Molecularly, we observed that TBPH regulates the expression levels of Dicer-2 by direct protein-mRNA interactions in vivo.\|In agreement with this idea, we found that the suppression of TDP-43 induces the downregulation of Dicer in human neuroblastoma cell lines signifying that the TDP-43 function is required to prevent defects in Dicer protein expression or stability	SIGNOR-262114
P27361	Q96RK0	1	phosphorylation	down-regulates	0.374	Specifically, 14-3-3 binds to p90(rsk)-phosphorylated ser?_??_ Of capic?_A thereby modulating dna binding to its hmg (high-mobility group) box, whereas erk phosphorylations prevent binding of a c-terminal nls (nuclear localization sequence) to importin ?4 (kpna3)[...] These results suggest that erk phosphorylation of ser1382 and ser1409 masks the nls and prevents its binding to kpna3	SIGNOR-169879
P06493	P52926	1	phosphorylation	down-regulates	0.374	Architecture of high mobility group protein i-c dna complex and its perturbation upon phosphorylation by cdc2 kinase. Phosphorylation by cdc2 reduces binding strength of the mammalian and insect hmgi proteins to dna. After phosphorylation of the protein at ser-43 and ser-58 by cdc2 kinase multiple contacts of dbds, especially with the bases, are impaired and the protein binds to dna in a different way, extending the contacts to the sugar-phosphate backbone.	SIGNOR-74098
P28482	P12270	1	phosphorylation	up-regulates	0.374	Tpr is phosphorylated by erk2 at four different sites. / because phosphorylation of tpr by activated erk stabilizes their interaction, we hypothesize that this phosphorylation is not part of a signal amplification cascade but rather positions activated erk to perform a continuing function in the nuclear pore.	SIGNOR-181022
Q00535	P50406	1	phosphorylation	down-regulates activity	0.374	Cdk5 phosphorylates the 5-HT6R on serine 350 (Ser350)\|This suggests that the 5-HT6R is unable to interact with GPRIN1 when it is phosphorylated by Cdk5.	SIGNOR-264407
Q13627	P01106	1	phosphorylation	down-regulates quantity	0.374	We also found that DYRK1A phosphorylated c-Myc on Ser62, priming phosphorylation on Thr58 by GSK3\u03b2 and subsequent degradation.\|c-Myc expression is down-regulated by DYRK1A.	SIGNOR-279609
Q00535	P16220	1	phosphorylation	up-regulates activity	0.374	CDK5 Activates the Self-Renewal Regulator CREB1 in GSCs.\|Our data indicate that CDK5, which has previously been shown to activate CREB1 through cAMP and PKA in dopamine neurons present in the ventral tegmental area, can directly bind with and phosphorylate CREB1 in a PKA and cAMP independent manner, at least in GSCs.	SIGNOR-279682
Q9UQC2	A7KAX9	1	relocalization	up-regulates	0.374	Gc-gap, a rho family gtpase-activating protein that interacts with signaling adapters gab1 and gab2we propose that gab1 and gab2 in cooperation with other adapter molecules might regulate the cellular localization of gc-gap under specific stimuli.	SIGNOR-102628
Q15262	P40763	1	dephosphorylation	down-regulates activity	0.374	In this study, we investigated whether receptor-type tyrosine protein phosphatase kappa (PTPRK), the only protein tyrosine phosphatase at 6q that contains a STAT3 specifying motif, negatively regulates STAT3 activation in NKTCL.\|Phosphatase substrate-trapping mutant assays demonstrated the binding of PTPRK to STAT3, and phosphatase assays showed that PTPRK directly dephosphorylated phospho-STAT3(Tyr705).	SIGNOR-277060
P27361	P78347	1	phosphorylation	up-regulates	0.374	Tfii-i can be phosphorylated in vitro by erk and mutation of consensus map kinase substrate sites at serines 627 and 633 impairs the phosphorylation of tfii-i by erk and its activity on the c-fos promoter. These results suggest that erk regulates the activity of tfii-i by direct phosphorylation.	SIGNOR-74308
P23946	P14138	1	cleavage	up-regulates activity	0.374	Chymase from human mast cells selectively cleaved big endothelins (ETs) at the Tyr31-Gly32 bond and produced novel trachea-constricting 31-amino acid-length endothelins, ETs(1-31), without any further degradation products.	SIGNOR-256355
Q9Y625	P41221	1	binding	down-regulates activity	0.374	GPC6 binds to Wnt5a and inhibits its release from producing cells. Based on theseresults, and in our finding that GPC6 inhibits non-canonical Wnt signaling in the developing intestine,we tested the hypothesis that GPC6 binds to Wnt5aat the surface of the Wnt5a-producing mesenchymalcells and restrains its release from them.	SIGNOR-264030
Q96DA2	Q9NRD5	1	binding	up-regulates activity	0.374	GTP-bound RAB39B interacts with PICK1. In line with evidence that PICK1 can dimerize, the structural model suggests that dimerization of PICK1 is a prerequisite for simultaneous recognition of both RAB39B and GluA2 each by one of the PICK1 molecules in the PICK1 dimer (Fig. 6a–c). The existence of such complex is supported by our co-immunoprecipitation experiments shown above.	SIGNOR-264045
P45983	Q05639	1	phosphorylation	down-regulates quantity by destabilization	0.374	Ribosome-associated JNK phosphorylates the eukaryotic translation elongation factor 1A isoform 2 (eEF1A2) on serines 205 and 358 to promote degradation of NSPs by the proteasome.	SIGNOR-276492
O60481	P10071	1	binding	up-regulates	0.374	Zic3 functions as a transcriptional coactivator of gli3 when it physically associates with gli3	SIGNOR-157637
O15327	P31749	1	dephosphorylation	down-regulates activity	0.374	Further, we show that INPP4B but not PTEN is able to reduce tyrosine phosphorylation of Akt1 and both the lipid and PTP activity of INPP4B likely contribute to the reduction of Akt1 phosphorylation.\|Further, we show that INPP4B but not PTEN is able to reduce tyrosine phosphorylation of Akt1 and both the lipid and protein tyrosine phosphatase activity of INPP4B likely contribute to the reduction of Akt1 phosphorylation.	SIGNOR-277106
O43586	P50570	1	binding	down-regulates	0.374	We show that pstpip1 associates with the regulator of endocytosis, dynamin 2, and pstpip1 expression impairs transferrin uptake and endocytosis	SIGNOR-178628
P15172	P30281	1	transcriptional regulation	up-regulates quantity by expression	0.374	Here we report that, at the onset of differentiation, activation by MyoD of the Rb, p21, and cyclin D3 genes occurs in the absence of new protein synthesis and with the requirement of the p300 transcriptional coactivator.	SIGNOR-238526
Q99750	P15173	1	binding	down-regulates activity	0.374	We demonstrate that I-mf inhibits the transactivation activity of the MyoD family and represses myogenesis. I-mf associates with MyoD family members and retains them in the cytoplasm by masking their nuclear localization signals.	SIGNOR-240493
Q8N2H9	O43353	1	ubiquitination	up-regulates activity	0.374	Pellino3 directly bound to the kinase RIP2 and catalyzed its ubiquitination	SIGNOR-280452
P24941	P49459	1	phosphorylation	up-regulates	0.374	Hhr6a is phosphorylated in vitro by cdk-1 and -2 on ser120, a residue conserved in all hhr6a homologues, resulting in a 4-fold increase in its ubiquitin-conjugating activity.	SIGNOR-116508
Q5JRX3	P05067	1	cleavage	down-regulates activity	0.373	In the present study we have identified and characterized the human PreP homologue, hPreP, in brain mitochondria, and we show its capacity to degrade the amyloid beta-protein (Abeta). PreP belongs to the pitrilysin oligopeptidase family M16C containing an inverted zinc-binding motif. We show that hPreP is localized to the mitochondrial matrix. In situ immuno-inactivation studies in human brain mitochondria using anti-hPreP antibodies showed complete inhibition of proteolytic activity against Abeta.	SIGNOR-260661
Q8IZU9	P78352	1	binding	up-regulates activity	0.373	We here report that, through its C-terminal PDZ domain-binding motif, Neph2 directly interacts with postsynaptic density (PSD)-95, an abundant excitatory postsynaptic scaffolding protein. Moreover, Neph2 protein is detected in the brain PSD fraction and interacts with PSD-95 in synaptosomal lysates. Functionally, loss of Neph2 in mice leads to age-specific defects in the synaptic connectivity of DG neurons.	SIGNOR-269079
A6ND36	P48729	1	binding	up-regulates quantity	0.373	We identified members of the FAM83 family of proteins as partners of CK1 in cells. All eight members of the FAM83 family (FAM83A–H) interacted with the α and α-like isoforms of CK1; FAM83A, -B, -E, and -H also interacted with the δ and ε isoforms of CK1. The intrinsic catalytic activity of CK1 is not affected by or required for the association of CK1 with FAM83 proteins. Our findings imply that the DUF1669 domains of FAM83 proteins anchor CK1 α, α-like, δ, and ε isoforms in specific subcellular compartments and potentially mediate their association with substrates.	SIGNOR-273745
Q13131	Q9GZT9	1	phosphorylation	down-regulates activity	0.373	Mechanistically, AMPKα1 directly phosphorylated prolyl hydroxylase domain-containing (PHD)2 at serines 61 and 136, which suppressed PHD2-dependent hydroxylation of hypoxia-inducible factor (HIF)1α and subsequent regulation of hepatic hepcidin-related iron signalling.	SIGNOR-277592
P24158	P55085	1	cleavage	down-regulates activity	0.373	PAR1E and PAR2E (10 microM) were incubated in the presence of the different proteases \| The enzymes were used at the following concentrations: 0.5 unit/mL thrombin, 2.5 nM trypsin, 20 nM plasmin, 20 nM cathepsin G, 20 nM elastase, 20 nM proteinase 3, and 2 units/mL calpain I and II\|Protease-activated receptors (PARs) mediate cell activation after proteolytic cleavage of their extracellular amino terminus.\|Mass spectrometry studies of PAR2E predicted activation of PAR2 by trypsin through cleavage at the Arg36-Ser37 site, no effect of thrombin, and inactivation of the receptor by plasmin, calpain and leukocyte elastase, cathepsin G, and proteinase 3	SIGNOR-263601
Q9UHD2	Q13546	2	phosphorylation	down-regulates activity	0.373	Our data clearly indicate that TBK1 can directly phosphorylate RIPK1 at T189.\|TBK1 inhibits RIPK1 by direct phosphorylation.	SIGNOR-279388
P28482	Q13322	1	phosphorylation	up-regulates	0.373	We show that grb10 is a direct substrate of the p42/44 mitogen-activated protein kinase (mapk)we identified ser(150), ser(418), and ser(476) of human grb10zeta as mapk-mediated in vitro phosphorylation sites. Replacing ser(150) and ser(476) with alanines reduced the inhibitory effect of human grb10zeta on insulin-stimulated irs1 tyrosine phosphorylation. Taken together, our findings suggest that phosphorylation of the adaptor protein may provide a feedback inhibitory mechanism by which grb10 regulates insulin signaling.	SIGNOR-138163
P60484	P51149	1	dephosphorylation	up-regulates activity	0.373	PTEN dephosphorylates Rab7 on two conserved residues S72 and Y183, which are necessary for GDP dissociation inhibitor (GDI)-dependent recruitment of Rab7 on to late endosomes and subsequent maturation.	SIGNOR-276960
P08173	P09471	1	binding	up-regulates activity	0.373	Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. \| We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. \| The score associated to this interaction has a LogRAi ≥ -1.0.	SIGNOR-256965
Q15349	Q92934	1	phosphorylation	down-regulates	0.373	The rsks catalyze the phosphorylation of the pro-apoptotic protein bad at serine 112 to promote cell survival.	SIGNOR-184591
P15172	P08047	1	transcriptional regulation	down-regulates quantity by repression	0.373	These data suggest a regulatory model in which MyoD activation during myogenesis causes the down-regulation of Sp1, which contributes to the repression of GLUT1 gene transcription and, therefore, leads to the reduction in GLUT1 expression and glucose transport.	SIGNOR-241765
Q16654	P11498	1	phosphorylation	down-regulates activity	0.373	PDK4 phosphorylates and inhibits the pyruvate dehydrogenase complex (PDC) which catalyzes the conversion of pyruvate to acetyl-CoA in the glucose oxidation pathway.	SIGNOR-278974
Q06124	P31260	1	dephosphorylation	up-regulates	0.373	We also identified hoxa10 as a substrate for shp2 in undifferentiated myeloid cells, an effect that diminished during myelopoiesis. However, a constitutively active form of shp2 dephosphorylated hoxa10 throughout ex vivo myelopoiesis and sustained repression of hoxa10 target genes involved in phagocyte effector functions.	SIGNOR-182475
P56178	P10451	1	transcriptional regulation	up-regulates quantity	0.373	Dlx5 initiates a complete osteogenic differentiation in these early primary cells, by triggering Runx2, osteopontin, alkaline phosphatase, and other gene expression according to the sequential temporal sequence observed during skull osteogenesis in vivo.	SIGNOR-245340
Q9UIF7	Q92547	1	binding	up-regulates	0.373	Binding of myh directly participates in atr and topbp1 activation in dna damage signaling, leading to apoptosis.	SIGNOR-173972
Q92847	P63096	1	binding	up-regulates activity	0.373	Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. \| We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. \| The score associated to this interaction has a LogRAi ≥ -1.0.	SIGNOR-257054

P27361

P46527

1

phosphorylation

down-regulates

0.376

These data suggest that increased signaling by erbb receptors up-regulates mapk activity, which, in turn, phosphorylates and destabilizes p27, thus contributing to dysregulated cell cycle progression.

SIGNOR-80234

P07384

P25116

1

cleavage

up-regulates activity

0.376

PAR1E and PAR2E (10 microM) were incubated in the presence of the different proteases | The enzymes were used at the following concentrations: 0.5 unit/mL thrombin, 2.5 nM trypsin, 20 nM plasmin, 20 nM cathepsin G, 20 nM elastase, 20 nM proteinase 3, and 2 units/mL calpain I and II|Protease-activated receptors (PARs) mediate cell activation after proteolytic cleavage of their extracellular amino terminus.|Protease-activated receptors (PARs) mediate cell activation after proteolytic cleavage of their extracellular amino terminus.|Protease-activated receptors (PARs) mediate cell activation after proteolytic cleavage of their extracellular amino terminus

SIGNOR-263559

Q16827

P40763

1

dephosphorylation

down-regulates activity

0.376

In addition, this group found that PTPRO dephosphorylated STAT3 at Y705 and S727 then attenuated STAT3 signalling.

SIGNOR-277062

Q7Z6J0

Q12852

1

binding

up-regulates

0.376

One explanation as provided by our model is that mlk3 and dlk interact indirectly via posh with mutual activation when both are wild-type the multidomain protein posh binds to the constitutively active form of rac1, which is known to regulate the activity of mlks, while jip1 binds to mlks and additional components of the jnk pathway and appears to be capable of activating mlks

SIGNOR-108577

P06400

P17480

1

binding

down-regulates activity

0.376

Activity of RNA polymerase I transcription factor UBF blocked by Rb gene product

SIGNOR-262589

P45983

P54259

1

phosphorylation

down-regulates activity

0.376

Dentatorubral-pallidoluysian atrophy protein is phosphorylated by c-jun nh2-terminal kinase. serine 734 of the drpla protein is a phospho-acceptor site by jnk. The phosphorylation may be coupled to the activation of a protease. The molecular size of drpla protein detected in the rat brain with the specific phosphopeptide antibody was 150_kda, which was slightly smaller than that expected from the sequence and the results with the human protein. The phosphorylated forms of ha-tagged human drpla gradually disappeared after osmotic treatment,

SIGNOR-102398

Q5S007

O43353

1

phosphorylation

up-regulates activity

0.376

Altogether, our results indicate a scenario that LRRK2 physically interacts with Rip2 and promotes phosphorylation of Rip2.|Taken together, our results show that LRRK2 enhances Rip2 activity by promoting the phosphorylation of Rip2 at Ser176.

SIGNOR-278953

P49841

Q07812

1

phosphorylation

up-regulates

0.376

Glycogen synthase kinase-3beta phosphorylates bax and promotes its mitochondrial localization during neuronal apoptosis. Gsk-3beta directly phosphorylated bax(alpha) on ser163

SIGNOR-130141

Q05923

Q16659

1

dephosphorylation

down-regulates activity

0.376

DUSP2 can dephosphorylate both ERK3 and ERK4 when expressed in mammalian cells.|Finally, we demonstrate that DUSP2 inhibits ERK3 and ERK4 mediated activation of MK5.

SIGNOR-277069

Q0VAM2

P01112

1

binding

up-regulates

0.376

Gefs catalyse the transition from gdp-bound, inactive ras to gtp-bound, active ras.

SIGNOR-183832

P19784

Q9UD71

1

phosphorylation

up-regulates activity

0.375

Study of [Plphosphate release during manual Edman degradation confirmed that the phosphorylated residues in rat DARPP-32 were Ser45 and Ser102. | Phosphorylation by casein kinase II did not affect the potency of DARPP-32 as an inhibitor of protein phosphatase-1, which depended only on phosphorylation of Thr34 by cAMP-dependent protein kinase. However, phosphorylation of DARPP-32 by casein kinase II facilitated phosphorylation of Thr34 by cAMP-dependent protein kinase

SIGNOR-251018

Q9NZP8

P00738

1

cleavage

up-regulates activity

0.375

We demonstrate that coexpression of the proform of Hp (proHp) and C1r-LP in COS-1 cells effected cleavage of proHp in the endoplasmic reticulum. This cleavage depended on proteolytic activity of C1r-LP because mutation of the putative active-site Ser residue abolished the reaction. Furthermore, incubation of affinity-purified C1r-LP and proHp led to the cleavage of the latter protein. ProHp appeared to be cleaved at the expected site because substitution of Gly for Arg-161 blocked the reaction.

SIGNOR-256358

P45983

P05787

1

phosphorylation

up-regulates

0.375

Kinase assays showed that c-jun n-terminal kinase (jnk) was also activated with activation kinetics corresponding to that of k8 phosphorylation. Furthermore, k8 was also phosphorylated on ser-73 by jnk in vitro. The ser-73 --> ala-associated filament reorganization defect is rescued by a ser-73 --> asp mutation. Also, disease-causing keratin mutations can modulate keratin phosphorylation and organization, which may affect disease pathogenesis.

SIGNOR-113645

P49137

O95453

1

phosphorylation

down-regulates

0.375

Mk2 phosphorylates parn, blocking gadd45_ mrna degradation. Parn can serve as a direct substrate for mk2, and demonstrating that ser-557 is the dominant mk2 phosphorylation site.

SIGNOR-168377

P54764

P51692

1

phosphorylation

up-regulates activity

0.375

We have shown here that EphA4 can phosphorylate STAT5B, but it is not yet clear whether the nuclear translocation of phosphorylated STAT5B is enhanced by EphA4.

SIGNOR-278934

P25021

P38405

1

binding

up-regulates activity

0.375

Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. | We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. | The score associated to this interaction has a LogRAi ≥ -1.0.

SIGNOR-256920

P78527

Q00839

1

phosphorylation

up-regulates

0.375

We identify heterogeneous nuclear ribonucleoprotein u (hnrnp-u), also termed scaffold attachment factor a (saf-a), as a specific substrate for dna-pk. We show that hnrnp-u is phosphorylated at ser59 by dna-pk in vitro and in cells in response to dna double-strand breaks

SIGNOR-185058

Q8N5U6

P50222

1

binding

up-regulates activity

0.375

RFN10 co-immunoprecipitates with MEOX2. RNF10 potentiates MEOX2 transcriptional activation

SIGNOR-236968

P28358

O00470

1

binding

up-regulates activity

0.375

We now show that the Hoxa-9 protein physically interacts with Meis1 proteins. Hox proteins from the other AbdB-like paralogs, Hoxa-10, Hoxa-11, Hoxd-12, and Hoxb-13, also form DNA binding complexes with Meis1b. DNA binding complexes formed by Meis1 with Hox proteins dissociate much more slowly than DNA complexes with Meis1 alone, suggesting that Hox proteins stabilize the interactions of Meis1 proteins with their DNA targets.

SIGNOR-241226

Q8TBB1

Q96KB5

1

ubiquitination

down-regulates quantity by destabilization

0.375

We used the Ligand of Numb protein X (LNX) family of E3s, a group of PDZ domain-containing RING-type E3 ubiquitin ligases, to demonstrate the feasibility of this strategy. Many potential substrates of LNX E3s were identified. Eight of the nine selected candidates were ubiquitinated in vitro, and two novel endogenous substrates, PDZ-binding kinase (PBK) and breakpoint cluster region protein (BCR), were confirmed in vivo.

SIGNOR-272898

Q9UHD2

Q15025

1

phosphorylation

down-regulates quantity by destabilization

0.375

TBK1 phosphorylation activates LIR-dependent degradation of the inflammation repressor TNIP1

SIGNOR-275733

Q13315

Q9UBU7

1

phosphorylation

down-regulates

0.375

Dbf4/cdc7 (dbf4-dependent kinase (ddk)) is activated at the onset of s-phase, and its kinase activity is required for dna replication initiation from each origin. We identified novel atm/atr phosphorylation sites on dbf4 and showed that atm/atr-mediated phosphorylation of dbf4 is critical for the intra-s-phase checkpoint to inhibit dna replication.

SIGNOR-177793

P17252

P38936

1

phosphorylation

up-regulates activity

0.375

Binding of calmodulin to the carboxy-terminal region of p21 induces nuclear accumulation via inhibition of protein kinase c-mediated phosphorylation of ser153| When phosphorylated at Ser153, p21 is located at the cytoplasm and disrupts stress fibers.

SIGNOR-139302

Q9Y4L5

P00533

1

polyubiquitination

down-regulates quantity by destabilization

0.375

RNF126 and Rabring7 associate with the EGFR through a ubiquitin-binding zinc finger domain and both E3 ubiquitin ligases promote ubiquitylation of EGFR. In HeLa cells depleted of either RNF126 or Rabring7 the EGFR is retained in a late endocytic compartment and is inefficiently degraded.

SIGNOR-272104

P42229

P11309

1

transcriptional regulation

up-regulates quantity by expression

0.375

The results of 2 microarray experiments demonstrated that the aberrant activation of STAT proteins by Flt3-ITDs resulted in the up-regulation of several STAT5-responsive genes, such as Pim-1, Pim-2, and members of the SOCS (suppressor of cytokine signaling) protein family. These results are particularly interesting because recent data point to an important role of Pim kinases in the antiapoptosis of hematopoietic cells.

SIGNOR-249621

P84022

P49715

1

binding

down-regulates activity

0.375

Thus, repression of the activity of C/EBPs by Smad3/4 at C/EBP binding sites inhibited transcription from the PPAR2 and leptin promoters

SIGNOR-241924

Q92915

Q99250

1

binding

down-regulates activity

0.375

Sodium channel fast inactivation is modulated by alpha subunit interaction with a family of cytoplasmic proteins termed fibroblast growth factor homologous factors (FHFs). In this paper, we report that all A-type FHFs exert rapid onset long-term inactivation on Nav1.6 and other sodium channels.

SIGNOR-253429

P58417

Q9Y4C0

1

binding

up-regulates

0.375

We show that neurexophilins 1 and 3 but not 4 (neurexophilin 2 is not expressed in rodents) bind to a single individual lns domain, the second overall lns domain in all three alpha-neurexins.

SIGNOR-60643

Q9NPA2

P08253

1

cleavage

up-regulates activity

0.375

Direct activation of pro-matrix metalloproteinase-2 by leukolysin/membrane-type 6 matrix metalloproteinase/matrix metalloproteinase 25 at the asn(109)-Tyr bond. Leukolysin Cleaves ProMMP-2 at Asn66-Leu and Asn109-Tyr.

SIGNOR-256345

P07948

O60711

1

phosphorylation

up-regulates activity

0.375

Of a total of 11 tyrosine sites in LPXN, we mutated Tyr(22), Tyr(72), Tyr(198), and Tyr(257) to phenylalanine and demonstrated that LPXN was phosphorylated by Lyn only at Tyr(72) and that this tyrosine site is proximal to the LD3 domain. We further show that LPXN suppressed the secretion of interleukin-2 by BCR-activated A20 B cells and that this inhibition was abrogated in the Y72F LPXN mutant, indicating that the phosphorylation of Tyr(72) is critical for the biological function of LPXN.

SIGNOR-262892

Q99608

Q9Y6B2

1

binding

up-regulates activity

0.375

The Prader-Willi syndrome protein necdin interacts with the E1A-like inhibitor of differentiation EID-1 and promotes myoblast differentiation.

SIGNOR-237614

P31751

Q15118

2

phosphorylation

up-regulates activity

0.375

Using a phosphoproteomics screen, we now show that active Akt accumulates in the mitochondria during hypoxia and phosphorylates pyruvate dehydrogenase kinase 1 (PDK1) on Thr346 to inactivate the pyruvate dehydrogenase complex.

SIGNOR-277271

P06213

P0DP25

1

phosphorylation

down-regulates

0.375

The in vitro phosphorylation of calmodulin by the insulin receptor tyrosine kinase. Phosphorylated calmodulin does not exhibit the characteristic ca2+ shift normally observed with calmodulin in electrophoretic gels, an observation that is consistent with this modification affecting the biological activity of the molecule.

SIGNOR-266336

P50406

P38405

1

binding

up-regulates activity

0.375

Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. | We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. | The score associated to this interaction has a LogRAi ≥ -1.0.

SIGNOR-256944

P31751

P15311

1

phosphorylation

up-regulates

0.375

Purified akt directly phosphorylates recombinant ezrin at threonine 567 in vitro in an atp-dependent manner. ezrin activation after initiation of na+-glucose cotransport requires akt2 expression

SIGNOR-130260

Q8N6U8

P63092

1

binding

up-regulates activity

0.375

Shh signaling directs Gpr161 to be internalized from cilia, preventing its activity.

SIGNOR-259936

Q15118

P31751

2

phosphorylation

up-regulates activity

0.375

Since both AKT-1, AKT-2, and SGK-1 are phosphorylated by PDK-1 and are themselves capable of phosphorylating DAF-16, their direct contact may reflect a temporary, regulatory interaction.|This demonstrates that functional PDK-1 is required to activate AKT-1, AKT-2, and SGK-1 in vivo.

SIGNOR-279248

Q9NPA3

Q13085

1

binding

up-regulates activity

0.375

Recently, we reported the discovery that MIG12, a 183 amino acid protein, binds to ACC1 and ACC2, which induces polymerization and subsequently increases the enzymatic activity of the protein

SIGNOR-267111

P28221

P09471

1

binding

up-regulates activity

0.375

Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. | We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. | The score associated to this interaction has a LogRAi ≥ -1.0.

SIGNOR-257000

Q13639

P38405

1

binding

up-regulates activity

0.375

Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. | We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. | The score associated to this interaction has a LogRAi ≥ -1.0.

SIGNOR-256912

P10398

Q15599

1

phosphorylation

up-regulates activity

0.375

We also identify A-Raf as a kinase necessary for E3KARP phosphorylation at the G2/M stage of the cell cycle. Phosphorylation of Ser-303 regulates the localization, function, and dynamics of E3KARP

SIGNOR-273503

P24941

P53350

1

phosphorylation

up-regulates activity

0.375

Thus, CycA2-CDK2 can stimulate phosphorylation of PLK1 T210 in vitro and the interactions required for CycA2-mediated PLK1 T210 phosphorylation are detected in the cytoplasm, but not in the nucleus.|We find that Cyclin A2-CDK2 can activate the mitotic kinase PLK1 through phosphorylation of Bora, and that only cytoplasmic Cyclin A2 interacts with Bora and PLK1.

SIGNOR-280212

P19784

P52655

1

phosphorylation

up-regulates activity

0.374

We now show that human TFIIA is phosphorylated in vivo on serine residues that are partially conserved between yeast and human TFIIA large subunits. Alanine substitution mutation of serine residues 316 and 321 in TFIIA alphabeta reduced TFIIA phosphorylation significantly in vivo. Additional alanine substitutions at serines 280 and 281 reduced phosphorylation to undetectable levels. Mutation of all four serine residues reduced the ability of TFIIA to stimulate transcription in transient transfection assays with various activators and promoters, indicating that TFIIA phosphorylation is required globally for optimal function.

SIGNOR-250996

Q13153

P16949

1

phosphorylation

down-regulates

0.374

The hgf-induced wave2 transport, lamellipodia formation, stathmin/op18 phosphorylation at ser38 and binding to kinesin-wave2 complex, but not stathmin/op18 phosphorylation at ser25 and microtubule growth, were abrogated by pak1 inhibitor ipa-3

SIGNOR-183503

P31749

P17542

1

phosphorylation

down-regulates

0.374

Akt phosphorylates tal1 oncoprotein and inhibits its repressor activity. / our results show that akt specifically phosphorylates thr90 of the tal1 protein within its transactivation domain in vitro and in vivo.

SIGNOR-252479

P14136

P60709

1

binding

up-regulates quantity

0.374

GFAP is the major cytoskeletal element and scaffold of astrocytes In astrocytes, GFAP has close interaction with F-actin molecularly and functionally.

SIGNOR-269271

P18031

P08922

1

dephosphorylation

down-regulates

0.374

In an approach to gain insight into the sequence-dependent dephosphorylation of multiple phosphotyrosyl-containing peptides by the phosphatases shp-1 and ptp1b, we applied a chromatographic technique for the analysis of the dephosphorylation products.

SIGNOR-154199

P06239

P60484

1

phosphorylation

up-regulates

0.374

Thus, y240a and y315a are involved in the ability of mmac/pten to dephosphorylate ptdins and regulate tumor cell growth in vitro and in vivo.

SIGNOR-116499

P30559

P14416

1

binding

up-regulates activity

0.374

Dopamine D2 receptor (D2R)–oxytocin receptor (OTR) interactions exist within heterocomplexes with facilitatory effects on D2R recognition and Gi/o coupling. Dopamine D2 receptor (D2R)–oxytocin receptor (OTR) interactions exist within heterocomplexes with facilitatory effects on D2R recognition and Gi/o coupling.

SIGNOR-270333

P46934

Q9Y4H2

1

ubiquitination

up-regulates activity

0.374

Nedd4 monoubiquitinates IRS-2, which promotes its association with Epsin1, a ubiquitin binding protein.

SIGNOR-278659

P19784

Q9Y5B0

1

phosphorylation

down-regulates activity

0.374

We found that only phosphorylated FCP1 can physically interact with TFIIF. We set out to purify an FCP1 kinase from HeLa cells and identified casein kinase 2, which, surprisingly, displayed a negative effect on FCP1-associated activities.| Phosphorylation of FCP1 by CK2 Inhibits the Transcription Elongation Activity of FCP1. | Two in vivo phosphorylation sites within the C terminus of FCP1 at Ser-575 and Ser-740 were identified

SIGNOR-250986

Q969X5

Q9Y282

1

binding

up-regulates quantity by stabilization

0.374

Among novel cycling proteins we have characterized ERGIC-32, a new ERGIC protein that interacts with human Erv46, a protein previously characterized in yeast and functioning in ER to Golgi protein trafficking. ERGIC-32 interacts with human Erv46 (hErv46) as revealed by covalent cross-linking and mistargeting experiments, and silencing of ERGIC-32 by small interfering RNAs increases the turnover of hErv46. We propose that ERGIC-32 functions as a modulator of the hErv41-hErv46 complex by stabilizing hErv46.

SIGNOR-260637

P28482

Q9NXR1

1

phosphorylation

up-regulates activity

0.374

Moreover, both proteins were phosphorylated by Cdc2 and Erk2 in vitro. In the case of Nudel, the phosphorylation sites were also located in the S/TP motifs. Detailed mutagenesis study indicated that T219, S242, and T245 were phosphorylated by Cdc2, while T219 and T245 were phosphorylated by Erk2.|Phosphorylation of Nudel in M phase appears to positively modulate dynein motor activity. Both phosphorylated and unphosphorylated forms of Nudel were transported by dynein (Fig. 7 and 9 and data not shown), indicating that neither of them inactivated the dynein motor. On the other hand, both phospho-Nudel and Nudelpmt5 bound Lis1 more strongly than Nudel or Nudelmt5 did

SIGNOR-249422

Q13438

Q9HBA0

1

binding

up-regulates quantity by stabilization

0.374

Here we report that OS-9, a ubiquitously expressed endoplasmic reticulum (ER)-associated protein, interacts with the cytosolic N-terminal tail of TRPV4.Thus, OS-9 regulates the secretory transport of TRPV4 and appears to protect TRPV4 subunits from the precocious ubiquitination and ER-associated degradation. Our data suggest that OS-9 functions as an auxiliary protein for TRPV4 maturation.

SIGNOR-261064

P48730

P10636

1

phosphorylation

down-regulates

0.374

Casein kinase 1 delta phosphorylates tau and disrupts its binding to microtubules.Here we characterized the contribution of one ck1 isoform, ckidelta, to the phosphorylation of tau at residues ser202/thr205 and ser396/ser404 in human embryonic kidney 293 cells.

SIGNOR-121717

P62136

P51955

1

dephosphorylation

down-regulates

0.374

Nek2 is activated by autophosphorylation, and its dephosphorylation is catalyzed by pp1

SIGNOR-152949

Q86T96

O95409

1

ubiquitination

down-regulates quantity by destabilization

0.374

Rinescan directly interact with Zic2. the ubiquitination of endogenous Zic2 was enhanced by Myc-Rines in rat neural stem cellline MNS70 cells. Rines-induced degradation of Zic2

SIGNOR-226303

O60858

Q00987

1

polyubiquitination

down-regulates quantity by destabilization

0.374

Here, we demonstrate that overexpression of RFP2 in cells induced apoptosis through proteasomal degradation of MDM2 and AKT. We observed that RFP2 formed a complex with MDM2, a negative regulator of the p53 tumor suppressor, and AKT, a regulator of apoptosis inhibition at the cellular level. Additionally, we found that the interaction of RFP2 with MDM2 and AKT resulted in ubiquitination and proteasomal degradation of MDM2 and AKT in vivo and in vitro.

SIGNOR-271851

P36894

A6ND36

1

phosphorylation

up-regulates activity

0.374

These results indicate that ALK3 phosphorylates PAWS1 predominantly at Ser610 but can also phosphorylate at Ser614 and Ser616 in vitro. |Here, we report the discovery and characterization of PAWS1/FAM83G as a novel SMAD1 interactor. PAWS1 forms a complex with SMAD1 in a SMAD4-independent manner, and BMP signalling induces the phosphorylation of PAWS1 through BMPR1A. The phosphorylation of PAWS1 in response to BMP is essential for activation of the SMAD4-independent BMP target genes NEDD9 and ASNS. Our findings identify PAWS1 as the first non-SMAD substrate for type I BMP receptor kinases and as a novel player in the BMP pathway.

SIGNOR-264766

P00519

Q06124

1

phosphorylation

up-regulates activity

0.374

Direct phosphorylation of SHP-2 by Abl kinases (Y580) promotes sustained activation of SHP-2 signaling and proliferation, and c-Abl/Abl-Related Gene-dependent activation of tyrosine kinase X further potentiates SHP-2 signaling by phosphorylating SHP-2 on Y63.|Endogenous Abl kinases phosphorylate SHP-2 on Y580 and induce sustained ERK phosphorylation in response to PDGF.

SIGNOR-278217

P68400

P33527

1

phosphorylation

up-regulates

0.374

Casein kinase 2_ regulates multidrug resistance-associated protein 1 function via phosphorylation of thr249. This study supports a model in which ck2_ potentiates mrp1 function via direct phosphorylation of thr249.

SIGNOR-197844

O00399

P53350

1

binding

up-regulates activity

0.374

Here, we show that the p27/p25 heterodimer undergoes mitotic phosphorylation by cyclin‐dependent kinase 1 (Cdk1) at a single site, p27 Thr186, to generate an anchoring site for polo‐like kinase 1 (Plk1) at kinetochores.

SIGNOR-264798

P23327

P16615

1

binding

down-regulates activity

0.374

Furthermore, a Ser96Asp HRC variant, which mimics constitutive phosphorylation of Ser96, diminished delayed aftercontractions in HRC null cardiac myocytes. This HRC phosphomimetic variant was also able to rescue the aftercontractions elicited by the Ser96Ala variant, demonstrating that phosphorylation of Ser96 is critical for the cardioprotective function of HRC. Phosphorylation of HRC on Ser96 regulated the interactions of HRC with both triadin and SERCA2a, suggesting a unique mechanism for regulation of SR Ca homeostasis.

SIGNOR-273662

Q13148

Q9UPY3

1

post transcriptional regulation

up-regulates quantity

0.374

Molecularly, we observed that TBPH regulates the expression levels of Dicer-2 by direct protein-mRNA interactions in vivo.|In agreement with this idea, we found that the suppression of TDP-43 induces the downregulation of Dicer in human neuroblastoma cell lines signifying that the TDP-43 function is required to prevent defects in Dicer protein expression or stability

SIGNOR-262114

P27361

Q96RK0

1

phosphorylation

down-regulates

0.374

Specifically, 14-3-3 binds to p90(rsk)-phosphorylated ser?_??_ Of capic?_A thereby modulating dna binding to its hmg (high-mobility group) box, whereas erk phosphorylations prevent binding of a c-terminal nls (nuclear localization sequence) to importin ?4 (kpna3)[...] These results suggest that erk phosphorylation of ser1382 and ser1409 masks the nls and prevents its binding to kpna3

SIGNOR-169879

P06493

P52926

1

phosphorylation

down-regulates

0.374

Architecture of high mobility group protein i-c dna complex and its perturbation upon phosphorylation by cdc2 kinase. Phosphorylation by cdc2 reduces binding strength of the mammalian and insect hmgi proteins to dna. After phosphorylation of the protein at ser-43 and ser-58 by cdc2 kinase multiple contacts of dbds, especially with the bases, are impaired and the protein binds to dna in a different way, extending the contacts to the sugar-phosphate backbone.

SIGNOR-74098

P28482

P12270

1

phosphorylation

up-regulates

0.374

Tpr is phosphorylated by erk2 at four different sites. / because phosphorylation of tpr by activated erk stabilizes their interaction, we hypothesize that this phosphorylation is not part of a signal amplification cascade but rather positions activated erk to perform a continuing function in the nuclear pore.

SIGNOR-181022

Q00535

P50406

1

phosphorylation

down-regulates activity

0.374

Cdk5 phosphorylates the 5-HT6R on serine 350 (Ser350)|This suggests that the 5-HT6R is unable to interact with GPRIN1 when it is phosphorylated by Cdk5.

SIGNOR-264407

Q13627

P01106

1

phosphorylation

down-regulates quantity

0.374

We also found that DYRK1A phosphorylated c-Myc on Ser62, priming phosphorylation on Thr58 by GSK3\u03b2 and subsequent degradation.|c-Myc expression is down-regulated by DYRK1A.

SIGNOR-279609

Q00535

P16220

1

phosphorylation

up-regulates activity

0.374

CDK5 Activates the Self-Renewal Regulator CREB1 in GSCs.|Our data indicate that CDK5, which has previously been shown to activate CREB1 through cAMP and PKA in dopamine neurons present in the ventral tegmental area, can directly bind with and phosphorylate CREB1 in a PKA and cAMP independent manner, at least in GSCs.

SIGNOR-279682

Q9UQC2

A7KAX9

1

relocalization

up-regulates

0.374

Gc-gap, a rho family gtpase-activating protein that interacts with signaling adapters gab1 and gab2we propose that gab1 and gab2 in cooperation with other adapter molecules might regulate the cellular localization of gc-gap under specific stimuli.

SIGNOR-102628

Q15262

P40763

1

dephosphorylation

down-regulates activity

0.374

In this study, we investigated whether receptor-type tyrosine protein phosphatase kappa (PTPRK), the only protein tyrosine phosphatase at 6q that contains a STAT3 specifying motif, negatively regulates STAT3 activation in NKTCL.|Phosphatase substrate-trapping mutant assays demonstrated the binding of PTPRK to STAT3, and phosphatase assays showed that PTPRK directly dephosphorylated phospho-STAT3(Tyr705).

SIGNOR-277060

P27361

P78347

1

phosphorylation

up-regulates

0.374

Tfii-i can be phosphorylated in vitro by erk and mutation of consensus map kinase substrate sites at serines 627 and 633 impairs the phosphorylation of tfii-i by erk and its activity on the c-fos promoter. These results suggest that erk regulates the activity of tfii-i by direct phosphorylation.

SIGNOR-74308

P23946

P14138

1

cleavage

up-regulates activity

0.374

Chymase from human mast cells selectively cleaved big endothelins (ETs) at the Tyr31-Gly32 bond and produced novel trachea-constricting 31-amino acid-length endothelins, ETs(1-31), without any further degradation products.

SIGNOR-256355

Q9Y625

P41221

1

binding

down-regulates activity

0.374

GPC6 binds to Wnt5a and inhibits its release from producing cells. Based on theseresults, and in our finding that GPC6 inhibits non-canonical Wnt signaling in the developing intestine,we tested the hypothesis that GPC6 binds to Wnt5aat the surface of the Wnt5a-producing mesenchymalcells and restrains its release from them.

SIGNOR-264030

Q96DA2

Q9NRD5

1

binding

up-regulates activity

0.374

GTP-bound RAB39B interacts with PICK1. In line with evidence that PICK1 can dimerize, the structural model suggests that dimerization of PICK1 is a prerequisite for simultaneous recognition of both RAB39B and GluA2 each by one of the PICK1 molecules in the PICK1 dimer (Fig. 6a–c). The existence of such complex is supported by our co-immunoprecipitation experiments shown above.

SIGNOR-264045

P45983

Q05639

1

phosphorylation

down-regulates quantity by destabilization

0.374

Ribosome-associated JNK phosphorylates the eukaryotic translation elongation factor 1A isoform 2 (eEF1A2) on serines 205 and 358 to promote degradation of NSPs by the proteasome.

SIGNOR-276492

O60481

P10071

1

binding

up-regulates

0.374

Zic3 functions as a transcriptional coactivator of gli3 when it physically associates with gli3

SIGNOR-157637

O15327

P31749

1

dephosphorylation

down-regulates activity

0.374

Further, we show that INPP4B but not PTEN is able to reduce tyrosine phosphorylation of Akt1 and both the lipid and PTP activity of INPP4B likely contribute to the reduction of Akt1 phosphorylation.|Further, we show that INPP4B but not PTEN is able to reduce tyrosine phosphorylation of Akt1 and both the lipid and protein tyrosine phosphatase activity of INPP4B likely contribute to the reduction of Akt1 phosphorylation.

SIGNOR-277106

O43586

P50570

1

binding

down-regulates

0.374

We show that pstpip1 associates with the regulator of endocytosis, dynamin 2, and pstpip1 expression impairs transferrin uptake and endocytosis

SIGNOR-178628

P15172

P30281

1

transcriptional regulation

up-regulates quantity by expression

0.374

Here we report that, at the onset of differentiation, activation by MyoD of the Rb, p21, and cyclin D3 genes occurs in the absence of new protein synthesis and with the requirement of the p300 transcriptional coactivator.

SIGNOR-238526

Q99750

P15173

1

binding

down-regulates activity

0.374

We demonstrate that I-mf inhibits the transactivation activity of the MyoD family and represses myogenesis. I-mf associates with MyoD family members and retains them in the cytoplasm by masking their nuclear localization signals.

SIGNOR-240493

Q8N2H9

O43353

1

ubiquitination

up-regulates activity

0.374

Pellino3 directly bound to the kinase RIP2 and catalyzed its ubiquitination

SIGNOR-280452

P24941

P49459

1

phosphorylation

up-regulates

0.374

Hhr6a is phosphorylated in vitro by cdk-1 and -2 on ser120, a residue conserved in all hhr6a homologues, resulting in a 4-fold increase in its ubiquitin-conjugating activity.

SIGNOR-116508

Q5JRX3

P05067

1

cleavage

down-regulates activity

0.373

In the present study we have identified and characterized the human PreP homologue, hPreP, in brain mitochondria, and we show its capacity to degrade the amyloid beta-protein (Abeta). PreP belongs to the pitrilysin oligopeptidase family M16C containing an inverted zinc-binding motif. We show that hPreP is localized to the mitochondrial matrix. In situ immuno-inactivation studies in human brain mitochondria using anti-hPreP antibodies showed complete inhibition of proteolytic activity against Abeta.

SIGNOR-260661

Q8IZU9

P78352

1

binding

up-regulates activity

0.373

We here report that, through its C-terminal PDZ domain-binding motif, Neph2 directly interacts with postsynaptic density (PSD)-95, an abundant excitatory postsynaptic scaffolding protein. Moreover, Neph2 protein is detected in the brain PSD fraction and interacts with PSD-95 in synaptosomal lysates. Functionally, loss of Neph2 in mice leads to age-specific defects in the synaptic connectivity of DG neurons.

SIGNOR-269079

A6ND36

P48729

1

binding

up-regulates quantity

0.373

We identified members of the FAM83 family of proteins as partners of CK1 in cells. All eight members of the FAM83 family (FAM83A–H) interacted with the α and α-like isoforms of CK1; FAM83A, -B, -E, and -H also interacted with the δ and ε isoforms of CK1. The intrinsic catalytic activity of CK1 is not affected by or required for the association of CK1 with FAM83 proteins. Our findings imply that the DUF1669 domains of FAM83 proteins anchor CK1 α, α-like, δ, and ε isoforms in specific subcellular compartments and potentially mediate their association with substrates.

SIGNOR-273745

Q13131

Q9GZT9

1

phosphorylation

down-regulates activity

0.373

Mechanistically, AMPKα1 directly phosphorylated prolyl hydroxylase domain-containing (PHD)2 at serines 61 and 136, which suppressed PHD2-dependent hydroxylation of hypoxia-inducible factor (HIF)1α and subsequent regulation of hepatic hepcidin-related iron signalling.

SIGNOR-277592

P24158

P55085

1

cleavage

down-regulates activity

0.373

PAR1E and PAR2E (10 microM) were incubated in the presence of the different proteases | The enzymes were used at the following concentrations: 0.5 unit/mL thrombin, 2.5 nM trypsin, 20 nM plasmin, 20 nM cathepsin G, 20 nM elastase, 20 nM proteinase 3, and 2 units/mL calpain I and II|Protease-activated receptors (PARs) mediate cell activation after proteolytic cleavage of their extracellular amino terminus.|Mass spectrometry studies of PAR2E predicted activation of PAR2 by trypsin through cleavage at the Arg36-Ser37 site, no effect of thrombin, and inactivation of the receptor by plasmin, calpain and leukocyte elastase, cathepsin G, and proteinase 3

SIGNOR-263601

Q9UHD2

Q13546

2

phosphorylation

down-regulates activity

0.373

Our data clearly indicate that TBK1 can directly phosphorylate RIPK1 at T189.|TBK1 inhibits RIPK1 by direct phosphorylation.

SIGNOR-279388

P28482

Q13322

1

phosphorylation

up-regulates

0.373

We show that grb10 is a direct substrate of the p42/44 mitogen-activated protein kinase (mapk)we identified ser(150), ser(418), and ser(476) of human grb10zeta as mapk-mediated in vitro phosphorylation sites. Replacing ser(150) and ser(476) with alanines reduced the inhibitory effect of human grb10zeta on insulin-stimulated irs1 tyrosine phosphorylation. Taken together, our findings suggest that phosphorylation of the adaptor protein may provide a feedback inhibitory mechanism by which grb10 regulates insulin signaling.

SIGNOR-138163

P60484

P51149

1

dephosphorylation

up-regulates activity

0.373

PTEN dephosphorylates Rab7 on two conserved residues S72 and Y183, which are necessary for GDP dissociation inhibitor (GDI)-dependent recruitment of Rab7 on to late endosomes and subsequent maturation.

SIGNOR-276960

P08173

P09471

1

binding

up-regulates activity

0.373

Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. | We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. | The score associated to this interaction has a LogRAi ≥ -1.0.

SIGNOR-256965

Q15349

Q92934

1

phosphorylation

down-regulates

0.373

The rsks catalyze the phosphorylation of the pro-apoptotic protein bad at serine 112 to promote cell survival.

SIGNOR-184591

P15172

P08047

1

transcriptional regulation

down-regulates quantity by repression

0.373

These data suggest a regulatory model in which MyoD activation during myogenesis causes the down-regulation of Sp1, which contributes to the repression of GLUT1 gene transcription and, therefore, leads to the reduction in GLUT1 expression and glucose transport.

SIGNOR-241765

Q16654

P11498

1

phosphorylation

down-regulates activity

0.373

PDK4 phosphorylates and inhibits the pyruvate dehydrogenase complex (PDC) which catalyzes the conversion of pyruvate to acetyl-CoA in the glucose oxidation pathway.

SIGNOR-278974

Q06124

P31260

1

dephosphorylation

up-regulates

0.373

We also identified hoxa10 as a substrate for shp2 in undifferentiated myeloid cells, an effect that diminished during myelopoiesis. However, a constitutively active form of shp2 dephosphorylated hoxa10 throughout ex vivo myelopoiesis and sustained repression of hoxa10 target genes involved in phagocyte effector functions.

SIGNOR-182475

P56178

P10451

1

transcriptional regulation

up-regulates quantity

0.373

Dlx5 initiates a complete osteogenic differentiation in these early primary cells, by triggering Runx2, osteopontin, alkaline phosphatase, and other gene expression according to the sequential temporal sequence observed during skull osteogenesis in vivo.

SIGNOR-245340

Q9UIF7

Q92547

1

binding

up-regulates

0.373

Binding of myh directly participates in atr and topbp1 activation in dna damage signaling, leading to apoptosis.

SIGNOR-173972

Q92847

P63096

1

binding

up-regulates activity

0.373

Here we systematically quantified ligand-induced interactions between 148 GPCRs and all 11 unique G alpha subunit C-termini. For each receptor, we probed chimeric G alpha subunit activation via a transforming growth factor-alpha (TGF alpha) shedding response in HEK293 cells lacking endogenous Gq/11- and G12/13- signaling. | We defined positive coupling if any member of the subfamily scored LogRAi ≥ -1 and negative coupling if all of the members scored LogRAi < -1 (Figure 3A-B). ROC analysis gives AUC = 0.78 (Figure S4A) when considering high-confidence known coupling data and suggested a threshold of LogRAi ≥ -1.0 for defining true couplings. | The score associated to this interaction has a LogRAi ≥ -1.0.

SIGNOR-257054