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14
P55040
P27348
0
binding
up-regulates quantity by stabilization
0.266
In order to address whether Gem binds specific isoforms of 14-3-3, we determined the coassociation of Gem and 14-3-3 in the neuroblastoma cell line SY5Y. 14-3-3ζ, -γ, -τ, and -β were observed to bind to Gem. 14-3-3-bound Gem has a twofold-longer half-life than nonbound Gem (Fig. ​(Fig.6).6). A similar increase in protein stability following 14-3-3 binding has been described for the Wee1 kinase
SIGNOR-261724
P11309
P17612
0
phosphorylation
up-regulates activity
0.266
In this study, we found that PKCα stabilized and activated PIM-1L by phosphorylation at Ser65. The PIM-1L phosphorylation suppressed sotrastaurin-induced apoptosis. These findings suggest that PKCα promotes cell survival and proliferation by upregulating PIM-1L in acute myeloid leukemia.
SIGNOR-256153
P46531
Q9UQF2
0
binding
down-regulates
0.266
Here, we show that jip1 suppresses notch1 activity. Jip1 was found to physically associate with either intracellular domain of notch1 or rbp-jk and interfere with the interaction between them.
SIGNOR-165710
O15054
Q16665
0
transcriptional regulation
up-regulates quantity by expression
0.266
To this end, we confirm that KDM3A, KDM4B, KDM4C, KDM5B, KDM5C, and KDM62 are direct targets of HIF-1a while extent the list of known targets to KDM2A, KDM2B, KDM4D, KDM5A, and KDM6A. The results demonstrated that majority of the KDMs were similarly induced (KDM2A, KDM2B, KDM3A, KDM4B, KDM4C, KDM4D, KDM5A, KDM5B, KDM5C, KDM6B, and KDM7A) or repressed (KDM NO66 and KDM1A) by both HIF-1a and HIF-2a.
SIGNOR-271571
Q7KZI7
Q05513
0
phosphorylation
down-regulates
0.266
Hpar-1b is phosphorylated by apkc on threonine 595 importantly, phosphorylation of hpar-1b on t595 negatively regulates the kinase activity and plasma membrane localization of hpar-1b in vivo.
SIGNOR-124217
P08047
P62136
0
dephosphorylation
down-regulates activity
0.266
Transcription factors Sp1 and Sp3 activate alpha-ENaC2 transcription through a GC-rich element (Sp1-binding site) in the promoter. Sp1 and Sp3 are essential for alpha-ENaC2 transcription in lung epithelial cells and that dephosphorylation of the Sp transcription factors by PP1 suppresses alpha-ENaC2 expression.
SIGNOR-251952
Q16635
P06493
0
phosphorylation
down-regulates quantity by destabilization
0.266
Our studies suggest that phosphorylation and degradation of TAZ by Cdk1 may play important roles in apoptosis induced by antitubulin drugs.
SIGNOR-278240
P20339
Q99698
0
binding
down-regulates activity
0.266
Mauve interacts with Rab5, Msps, and gamma-tubulin|Mauve/LYST opposes Rab5, which promotes vesicle fusion affecting PCM recruitment
SIGNOR-266001
Q9UHD2
Q14289
0
phosphorylation
up-regulates activity
0.266
 Mechanistically, we demonstrate that PTK2B directly phosphorylates residue Tyr591 of TBK1, which increases TBK1 oligomerization and activation.
SIGNOR-277910
P42773
Q13351
0
transcriptional regulation
up-regulates quantity by expression
0.266
Thus, EKLF is a direct regulator of p18INK4c gene expression, and much of EKLF's role in driving erythroid cell differentiation may occur via p18INK4c.
SIGNOR-266046
P04040
Q05655
0
phosphorylation
up-regulates activity
0.266
Endothelin-1 stimulates catalase activity through the PKCδ-mediated phosphorylation of serine 167.
SIGNOR-260904
O60341
Q9C0F0
0
binding
down-regulates activity
0.266
Here, we showed that ASXL3 interacts with HP1α and LSD1, leading to transcriptional repression.
SIGNOR-266764
O14757
P62714
0
dephosphorylation
down-regulates activity
0.266
Phosphorylation of Chk1 by ATR is antagonized by a Chk1-regulated protein phosphatase 2A circuit|In response to genotoxic stress, Chk1 is phosphorylated on serines 317 (S317) and 345 (S345) by the ataxia-telangiectasia-related (ATR) protein kinase. Phosphorylation of Chk1 on these C-terminal serine residues is used as an indicator of Chk1 activation in vivo.
SIGNOR-248578
P60880
Q86UW7
0
binding
up-regulates activity
0.266
CAPS interacted independently with either syntaxin-1 or SNAP-25 suggesting that CAPS might promote QaQbc-SNARE heterodimer formation. CAPS binding to syntaxin-1 was mediated by the membrane-proximal C-terminal SNARE motif (H3) and membrane linker domain sequences of syntaxin-1
SIGNOR-264339
P41161
P63279
0
sumoylation
down-regulates
0.266
Here we show that erm interacts with the sumo-conjugating enzyme ubc9 and is modified by sumo. We further show that sumo modification of this ets transcription factor affects its ability to activate transcription.
SIGNOR-135850
P14635
P50539
0
transcriptional regulation
down-regulates quantity by repression
0.266
Mxi1 inhibits the proliferation of U87 glioma cells through down-regulation of cyclin B1 gene expression | Mxi1 inhibits the promoter activity of the cyclin B1 gene.
SIGNOR-266064
Q9C0J9
Q13363
0
binding
up-regulates
0.266
We identify the ctip and ctbp corepressors as novel components of the human rbp-jkappa/sharp-corepressor complex and show that ctip binds directly to the sharp repression domain. Functionally, ctip and ctbp augment sharp-mediated repression.
SIGNOR-141613
Q14005
P27361
0
phosphorylation
up-regulates
0.266
The precursor form of the cytokine il-16 (proil-16) was shown to be phosphorylated on ser144 in antigen receptor-, sdf1alpha- and il-2-activated t cells. Genetic and pharmacological-inhibitor experiments showed that the phosphorylation of proil-16 is dependent on activation of the kinases erk1/2. Il-16 is secreted by mitogen-activated t cells, and the biochemical link between proil-16 and erk1/2, revealed by studies with pap-1, prompted analysis of the role of map kinases in this response.
SIGNOR-121856
Q9BZE0
Q9UMX1
0
relocalization
down-regulates
0.266
Negative regulation of gli1 and gli2 activator function by suppressor of fused through multiple mechanisms.Together, these observations reveal that su(fu) regulates the activity of gli1 and gli2 through distinct cytoplasmic and nuclear mechanisms.
SIGNOR-142608
Q14469
Q9UM73
0
phosphorylation
up-regulates activity
0.266
NPM-ALK also directly phosphorylates HES1 protein.
SIGNOR-280181
P01215
P50458
0
transcriptional regulation
up-regulates quantity by expression
0.266
In Cos cells, LH-2 activated the a-subunit promoter approximately twofold
SIGNOR-266055
P15531
P06493
0
phosphorylation
up-regulates
0.266
Application of this approach to the discovery of cdk1-cyclin b substrates yielded identification of >70 substrates and phosphorylation sites. Many of these sites are known to be phosphorylated in vivo, but most of the proteins have not been characterized as cdk1-cyclin b substrates.
SIGNOR-160493
O14795
Q9UJD0
0
relocalization
up-regulates activity
0.266
N-terminal interactions of RIMs with RAB3 and MUNC13 regulate DCV fusion. Through N-terminal interactions, RIMs position MUNC13 and recruit DCVs via RAB3, which is located on the vesicle
SIGNOR-264384
Q12857
Q01664
0
binding
up-regulates activity
0.266
We also observed moderately increased recruitment of CTCF, HDAC1, and SP1 by the full-length AP-4 onto the WT DNA beads.
SIGNOR-226586
Q9UQ26
A6NJZ7
0
binding
down-regulates activity
0.265
SH3 domains of RBPs interact with RIMs. The enhancement of depolarization-induced secretion in PC12 cells by fusion proteins that suppress the associations of RBPs with RIMs and α1 suggests that RBPs may repress RIMs, either directly or through associated proteins.
SIGNOR-264367
P17275
Q9Y222
0
transcriptional regulation
up-regulates quantity by expression
0.265
 Notably, amphiregulin (Areg), thrombospondin-1 (Tsp-1), JunB, Egr1, adrenomedullin (Adm), Bcl-3 and methyl-CpG binding domain protein 1 (Mbd1) were downregulated in the lungs from Dmp1-null mice while Gas1 and Ect2 genes were upregulated. 
SIGNOR-261585
P53396
P12931
0
phosphorylation
up-regulates activity
0.265
 We demonstrate the binding of PIP2 to the CoA-binding domain of ACLY and identify the six tyrosine residues of ACLY that are phosphorylated by Lyn. Three of them (Y682, Y252, Y227) can be also phosphorylated by Src and they are located in catalytic, citrate binding and ATP binding domains, respectively. PI3K and Lyn inhibitors reduce the ACLY enzyme activity, ACLY-mediated Acetyl-CoA synthesis, phospholipid synthesis, histone acetylation and cell growth. Thus, PIP2/PIP3 binding and Src tyrosine kinases-mediated stimulation of ACLY links oncogenic pathways to Acetyl-CoA-dependent pro-growth and survival metabolic pathways in cancer cells.
SIGNOR-274107
P09471
Q9UKP6
0
binding
up-regulates activity
0.265
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-257252
P08047
O00141
0
phosphorylation
up-regulates activity
0.265
In fact, SGK1 activates and phosphorylates SP1 on serine 59, a regulator of nucleocytoplasmic trafficking related genes .|In fact, SGK1 activates and phosphorylates SP1 on serine 59, a regulator of nucleocytoplasmic trafficking-related genes xref .
SIGNOR-279246
P35638
Q13131
0
phosphorylation
down-regulates activity
0.265
Here, we report that phosphorylation of CHOP at Ser30 by AMPKα1 triggers CHOP degradation resulting in reduced macrophage apoptosis and subsequent ameliorated plaque vulnerability in vivo.
SIGNOR-259864
P09471
Q15722
0
binding
up-regulates activity
0.265
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-256970
P99999
Q9Y243
0
phosphorylation
down-regulates activity
0.265
Finally, we propose that pro-survival kinase Akt (protein kinase B) is a likely mediator of the S47 phosphorylation of Cytc in the brain.
SIGNOR-277235
P05107
O60674
0
phosphorylation
up-regulates activity
0.265
PTKs of the JAK and SRC families have a regulatory role in LFA-1 affinity triggering, with JAKs showing a positive role (3), whereas SRCs possibly have a negative role.
SIGNOR-254738
P17096
Q03135
0
relocalization
up-regulates activity
0.265
CAV1 was shown to stimulate GLUT3 transcription via an HMGA1-binding site within the GLUT3 promoter. HMGA1 was found to interact with and activate the GLUT3 promoter and CAV1 increased the HMGA1 activity by enhancing its nuclear localization.
SIGNOR-254428
Q9Y4C1
Q99814
0
transcriptional regulation
up-regulates quantity by expression
0.265
To this end, we confirm that KDM3A, KDM4B, KDM4C, KDM5B, KDM5C, and KDM62 are direct targets of HIF-1a while extent the list of known targets to KDM2A, KDM2B, KDM4D, KDM5A, and KDM6A. The results demonstrated that majority of the KDMs were similarly induced (KDM2A, KDM2B, KDM3A, KDM4B, KDM4C, KDM4D, KDM5A, KDM5B, KDM5C, KDM6B, and KDM7A) or repressed (KDM NO66 and KDM1A) by both HIF-1a and HIF-2a.
SIGNOR-271583
P29372
Q13315
0
phosphorylation
up-regulates activity
0.265
ATM phosphorylates MPG at serine 172 (XREF_FIG).|In summary, our results show that ATM and MPG are directly associated in vitro and in vivo, phosphorylation of MPG at serine 172 is dependent on ATM and that of loss of phospho ATM reduces MPG glycosylase activity.
SIGNOR-279004
P42229
P23470
0
dephosphorylation
up-regulates activity
0.265
PTPRG activation by the P1-WD peptide affected the tyrosine phosphorylation of several signaling molecules. Data analysis identified 31 molecules whose phosphorylation was modified in a statistically significant manner (Table I). inhibition of ABL1, BMX, BTK, DAB1, ITGB1, JAK2, KDR, KIT, LIMK1, MET, PDGFRB, SHC1, and VCL correlates with tyrosine dephosphorylation. In contrast, SRC inhibition correlates with hyperphosphorylation of the inhibitory Tyr530 residue and with dephosphorylation of the activatory Tyr419. Moreover, CDK2 and CTTN inhibition correlates with a hyperphosphorylation of the inhibitory Tyr15 and Tyr470, respectively. In contrast, a subgroup of 13 proteins, including BLNK, DOK2, ERBB2, GRIN2B, INSR, PDGFRA, PRKCD, PXN, STAT1, STAT2, STAT3, STAT5A, and ZAP70, appears to be activated by PTPRG activity.
SIGNOR-254730
P19438
P02533
0
binding
down-regulates activity
0.265
TRADD specifically bound K18 and K14, type I (acidic) keratins. it is possible that epidermal K14 may function as an inhibitor of TNF–TNFR1 signaling through an association with TRADD.
SIGNOR-251906
P40763
Q13627
0
phosphorylation
up-regulates activity
0.265
DYRK1A overexpression promotes STAT3 activity by phosphorylating STAT3 at Ser727 and contributes to reduced neuronal production and increased astroglial generation in DS.
SIGNOR-279992
P46937
O00506
0
phosphorylation
up-regulates activity
0.265
Collectively, our data demonstrate that loss of STK25 promotes YAP/TAZ activation.|Lastly, we assessed if STK25 is able to promote YAP phosphorylation in the absence of LATS-HM phosphorylation, based on our in vitro kinase assay results.
SIGNOR-278993
P49840
P51812
0
phosphorylation
down-regulates activity
0.265
P90-rsk and akt may promote rapid phosphorylation/inactivation of glycogen synthase kinase 3 in chemoattractant-stimulated neutrophils. These reactions were monitored with a phosphospecific antibody that only recognized the alpha- or beta-isoforms of GSK-3 when these proteins were phosphorylated on serine residues 21 and 9, respectively.
SIGNOR-110827
P51812
P31749
0
phosphorylation
down-regulates activity
0.265
Akt interacts with and phosphorylates RSK2 at S19.
SIGNOR-277548
Q9UQL6
O94806
0
phosphorylation
up-regulates activity
0.265
Histone deacetylase (HDAC) 5 and 7, two members of the class II of classical HDAC [62], are in vivo substrates of PKD3 and PKD [63]. In response to a variety of signals, including phorbol esters, T cell receptor engagement, vascular endothelial growth factor and angiotensin stimulation, the activity of HDAC5 and 7 are regulated by a mechanism that involves PKD3 and PKD-mediated phosphorylation of the highly conserved Ser259 and Ser498 residues that are located in N-terminus of class II HDACs [63–67].
SIGNOR-275926
P10645
P16220
0
transcriptional regulation
up-regulates quantity by expression
0.265
Recently, binding of specific protein 1 (Sp1) and cAMP response element binding protein (CREB) to a GC-rich element at -92/-62 has been identified as a critical step in gastrin-dependent regulation of the chromogranin A (CgA) gene in gastric epithelial cells. Here we demonstrate that binding of early growth response protein 1 (Egr-1) to the distal part of the -92/-62 site is also required for gastrin-dependent CgA transactivation.
SIGNOR-254276
O60341
Q16665
0
transcriptional regulation
down-regulates quantity by repression
0.265
To this end, we confirm that KDM3A, KDM4B, KDM4C, KDM5B, KDM5C, and KDM62 are direct targets of HIF-1a while extent the list of known targets to KDM2A, KDM2B, KDM4D, KDM5A, and KDM6A. The results demonstrated that majority of the KDMs were similarly induced (KDM2A, KDM2B, KDM3A, KDM4B, KDM4C, KDM4D, KDM5A, KDM5B, KDM5C, KDM6B, and KDM7A) or repressed (KDM NO66 and KDM1A) by both HIF-1a and HIF-2a.
SIGNOR-271573
P10636-2
P41743
0
phosphorylation
down-regulates activity
0.265
We have studied the relationship between the phosphorylation oftau by several kinases (MARK, PKA, MAPK, GSK3) and its assembly into PHFs. By contrast, MARK and PKA phosphorylate several sites within the repeats (notably theKXGS motifs including Ser262, Ser324, and Ser356, plus Ser320); in addition PKA phosphorylates somesites in the flanking domains, notably Ser214. This type of phosphorylation strongly reduces tau’s affinityfor microtubules, and at the same time inhibits tau’s assembly into PHFs.
SIGNOR-275446
P10636-2
P17252
0
phosphorylation
down-regulates activity
0.265
We have studied the relationship between the phosphorylation oftau by several kinases (MARK, PKA, MAPK, GSK3) and its assembly into PHFs. By contrast, MARK and PKA phosphorylate several sites within the repeats (notably theKXGS motifs including Ser262, Ser324, and Ser356, plus Ser320); in addition PKA phosphorylates somesites in the flanking domains, notably Ser214. This type of phosphorylation strongly reduces tau’s affinityfor microtubules, and at the same time inhibits tau’s assembly into PHFs.
SIGNOR-275441
Q92908
P49840
0
phosphorylation
down-regulates quantity by destabilization
0.265
Through bioinformatics and cell-based experiments, we identified the AKT-repressed signal as glycogen synthase kinase 3 (GSK3)-catalyzed phosphorylation of Ser(37) on the long form of the transcription factor GATA6. Phosphorylation of GATA6 on Ser(37) promoted its degradation, thereby preventing GATA6 from repressing transcripts that are induced by TNF and attenuated by insulin
SIGNOR-253156
Q9NQW6
Q9UM11
0
binding
down-regulates quantity by destabilization
0.265
 Ubiquitination of anillin required a destruction-box and was mediated by Cdh1, an activator of APC/C. Overexpression of Cdh1 reduced the levels of anillin, whereas inactivation of APC/C(Cdh1) increased the half-life of anillin.
SIGNOR-272654
Q13562
Q14938
0
transcriptional regulation
up-regulates quantity
0.265
For example, within the NFI targetome, we identified 6 collagen genes, 13 genes encoding potassium channel or glutamate receptor subunits and a range of factors related to axon guidance (e.g. Slit1, Robo1, Epha4, Epha5, Epha8)
SIGNOR-268904
P08754
Q9UKP6
0
binding
up-regulates activity
0.265
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-257164
P31431
Q6UXX9
0
binding
up-regulates
0.265
We show that rspo3 binds syndecan 4 (sdc4) and that together they activate wnt/pcp signaling.
SIGNOR-172719
O60341
P49841
0
phosphorylation
up-regulates activity
0.265
GSK3beta phosphorylates KDM1A serine 683 upon priming phosphorylation of KDM1A serine 687 by CK1alpha.|Together, these results support the notion that GSK3\u03b2 stabilizes KDM1A by decreasing its ubiquitination.
SIGNOR-278225
P14598
O60381
0
transcriptional regulation
down-regulates quantity by repression
0.265
Together, these results indicate that HBP1 may contribute to the regulation of NADPH oxidase-dependent superoxide production through transcriptional repression of the p47phox gene. 
SIGNOR-261614
Q13422
P62140
0
dephosphorylation
up-regulates
0.265
Ikarosis dephosphorylated by protein phosphatase 1 (pp1) via interaction at a consensus pp1-binding motif/ hyperphosphorylation of ikaros promotes its degradation by the ubiquitin/proteasome pathway
SIGNOR-174862
Q92769
P29475
0
s-nitrosylation
down-regulates activity
0.265
we found that restoration of NO signaling in vivo, by adenoviral-mediated expression of a constitutively active endothelial NOS mutant in MDX muscles, and in vitro, by exposing MDX-derived satellite cells to NO donors, resulted in HDAC2 blockade by cysteine S-nitrosylation
SIGNOR-236919
P08754
P41595
0
binding
up-regulates activity
0.265
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-256886
Q86UR5
A6NJZ7
0
binding
down-regulates activity
0.265
SH3 domains of RBPs interact with RIMs. The enhancement of depolarization-induced secretion in PC12 cells by fusion proteins that suppress the associations of RBPs with RIMs and α1 suggests that RBPs may repress RIMs, either directly or through associated proteins.
SIGNOR-264362
P63096
Q9UKP6
0
binding
up-regulates activity
0.265
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-257051
P01178
P16519
0
cleavage
down-regulates quantity
0.265
Oxytocin-extended form is further cleaved by enzymatic activity to yield the nine-amino-acid active peptide, OT. The proteolysis may involve several pro-hormone convertases, convertase 2 (PC2) (20p11-1-11.2) and convertase 5 (PC5) (9q21.3) (Gabreels et al 1998). Both enzymes are found in OT neurosecretory vesicles and are a part of a family of subtilisen/kexinlike convertases (Seidah et al 1994). It is a product of the OT gene located at human gene locus 20p13 (Rao et al 1992). The processing cascade results in the production of neurophysin I and OT extended form (OT-X), which is OT with a C-terminal, three-amino-acid extension.
SIGNOR-270328
P51452
P29597
0
phosphorylation
up-regulates
0.265
Phosphorylation of vhr at tyr(138) was required for its phosphatase activity toward stat5. In addition, the src homology 2 domain of stat5 was required for the effective dephosphorylation of stat5 by vhr. The tyrosine kinase tyk2, which mediates the phosphorylation of stat5, was also responsible for the phosphorylation of vhr at tyr(138).
SIGNOR-157655
P49418
P28482
0
phosphorylation
down-regulates activity
0.265
Thus, we propose that mapk phosphorylation of amphiphysin1 controls ngf receptor/trka-mediated endocytosis by terminating the amphiphysin1-ap-2 interaction.Our results indicate that phosphorylation of amphiphysin 1 at ser-285 and/or ser-293 affects the function of amphiphysin1.Mapk phosphorylation of ser-285 and ser-293 could modulate the interaction between prd and ap-2, resulting in the dissociation of amphiphysin1 from ap-2.
SIGNOR-126859
Q9UJD0
A6NNM3
0
binding
down-regulates activity
0.265
SH3 domains of RBPs interact with RIMs. The enhancement of depolarization-induced secretion in PC12 cells by fusion proteins that suppress the associations of RBPs with RIMs and α1 suggests that RBPs may repress RIMs, either directly or through associated proteins.
SIGNOR-264374
O95837
P21728
0
binding
up-regulates activity
0.265
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-257391
P01106
Q99608
0
transcriptional regulation
up-regulates quantity by expression
0.265
Deletion mapping demonstrated that the C-terminus of cystin and both termini of necdin are required for their mutual interaction. Speculating that these two proteins may function to regulate gene expression, we developed a luciferase reporter assay and observed that necdin strongly activated the Myc P1 promoter, and cystin did so more modestly.
SIGNOR-253381
P00441
P19544
0
transcriptional regulation
up-regulates quantity by expression
0.265
The human copper-zinc superoxide dismutase gene (SOD1) proximal promoter is regulated by Sp1, Egr-1, and WT1 via non-canonical binding sites. Egr-1 and two splicing variants of the Egr-related protein WT1 were able to transactivate the SOD1 promoter in co-transfection experiments.
SIGNOR-253898
Q96Q27
P28482
0
phosphorylation
up-regulates activity
0.265
Indeed, using mass spectrometry, we showed for the first time that ASB2a is phosphorylated and that phosphorylation of serine-323 (Ser-323) of ASB2a is crucial for the targeting of the actin-binding protein filamin A (FLNa) to degradation. |Moreover, inhibition of the extracellular signal-regulated kinases 1 and 2 (Erk1/2) activity reduced ASB2a-mediated FLNa degradation.
SIGNOR-272240
P38405
P32239
0
binding
up-regulates activity
0.265
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-256908
Q14005
P28482
0
phosphorylation
up-regulates
0.265
The precursor form of the cytokine il-16 (proil-16) was shown to be phosphorylated on ser144 . the phosphorylation of proil-16 is dependent on activation of the kinases erk1/2. Il-16 is secreted by mitogen-activated t cells, and the biochemical link between proil-16 and erk1/2, revealed by studies with pap-1, prompted analysis of the role of map kinases in this response.
SIGNOR-121852
Q9UJD0
A6NJZ7
0
binding
down-regulates activity
0.265
SH3 domains of RBPs interact with RIMs. The enhancement of depolarization-induced secretion in PC12 cells by fusion proteins that suppress the associations of RBPs with RIMs and α1 suggests that RBPs may repress RIMs, either directly or through associated proteins.
SIGNOR-264372
P29375
Q99814
0
transcriptional regulation
up-regulates quantity by expression
0.265
To this end, we confirm that KDM3A, KDM4B, KDM4C, KDM5B, KDM5C, and KDM62 are direct targets of HIF-1a while extent the list of known targets to KDM2A, KDM2B, KDM4D, KDM5A, and KDM6A. The results demonstrated that majority of the KDMs were similarly induced (KDM2A, KDM2B, KDM3A, KDM4B, KDM4C, KDM4D, KDM5A, KDM5B, KDM5C, KDM6B, and KDM7A) or repressed (KDM NO66 and KDM1A) by both HIF-1a and HIF-2a.
SIGNOR-271580
Q96Q27
P27361
0
phosphorylation
up-regulates activity
0.265
Indeed, using mass spectrometry, we showed for the first time that ASB2a is phosphorylated and that phosphorylation of serine-323 (Ser-323) of ASB2a is crucial for the targeting of the actin-binding protein filamin A (FLNa) to degradation. |Moreover, inhibition of the extracellular signal-regulated kinases 1 and 2 (Erk1/2) activity reduced ASB2a-mediated FLNa degradation.
SIGNOR-272241
P05556
P23470
0
dephosphorylation
down-regulates activity
0.265
PTPRG activation by the P1-WD peptide affected the tyrosine phosphorylation of several signaling molecules. Data analysis identified 31 molecules whose phosphorylation was modified in a statistically significant manner (Table I). inhibition of ABL1, BMX, BTK, DAB1, ITGB1, JAK2, KDR, KIT, LIMK1, MET, PDGFRB, SHC1, and VCL correlates with tyrosine dephosphorylation. In contrast, SRC inhibition correlates with hyperphosphorylation of the inhibitory Tyr530 residue and with dephosphorylation of the activatory Tyr419. Moreover, CDK2 and CTTN inhibition correlates with a hyperphosphorylation of the inhibitory Tyr15 and Tyr470, respectively. In contrast, a subgroup of 13 proteins, including BLNK, DOK2, ERBB2, GRIN2B, INSR, PDGFRA, PRKCD, PXN, STAT1, STAT2, STAT3, STAT5A, and ZAP70, appears to be activated by PTPRG activity.
SIGNOR-254706
O75874
P98177
0
transcriptional regulation
up-regulates quantity by expression
0.264
We identify FOXOs as transcriptional activators of IDH1. FOXOs promote IDH1 expression and thereby maintain the cytosolic levels of α-ketoglutarate and NADPH.
SIGNOR-260102
Q14449
P49840
0
phosphorylation
down-regulates activity
0.264
Phosphorylation of clustered serine residues in the N-terminus of BPS domain negatively regulates formation of the complex between human Grb14 and insulin receptor| In vitro kinase assay using the motif-derived peptides showed that the serine residues located in N-terminal (Ser358, Ser362 and Ser366) and C-terminal (Ser419 and Ser423) regions of the BPS domain were phosphorylated by GSK-3.
SIGNOR-264871
P31948
P06493
0
phosphorylation
down-regulates activity
0.264
Inactivation and phosphorylation mimicking of potential phosphorylation sites in mSTI1 altered the nuclear translocation. Mimicking of phosphorylation at the mSTI1 CKII phosphorylation site (S189E) promoted nuclear localization of mSTI1-EGFP. Mimicking phosphorylation at the cdc2 kinase phosphorylation site (T198E) promoted cytoplasmic localization of mSTI1-EGFP at the G1/S-phase transition,whereas removal of this site (T198A) promoted the nuclear localization of mSTI1-EGFP under the same conditions.
SIGNOR-262729
Q8NG66
O14757
0
phosphorylation
up-regulates
0.264
We demonstrate that chk1 (checkpoint kinase 1) directly activates nek11 by phosphorylating it on ser 273
SIGNOR-187863
P54646
Q13315
0
phosphorylation
up-regulates activity
0.264
ATM phosphorylates AMPKalpha2 to induce inhibitory phosphorylation of HIPK2|
SIGNOR-275488
Q969H0
Q14258
0
ubiquitination
down-regulates activity
0.264
This newly stabilized TRIM25 then directly ubiquitinates Lys412 of FBXW7α, a core subunit of the SKP1-Cullin-F-box (SCF) ubiquitin ligase complex involved in Myc ubiquitination, thereby stabilizing Myc. 
SIGNOR-277457
O75928
Q15759
0
phosphorylation
up-regulates activity
0.264
The switch between the coactivating and inhibitory actions of PIASxα is controlled, at least in part, through PIASxα phosphorylation. PIASxα is itself phosphorylated by p38 in vitro and in vivo in response to the activation of stress signaling pathways (Figure 2, Figure 3, Figure 4). We identify Ser113 and Ser 116 as two residues that are phosphorylated by p38 and have important functional roles
SIGNOR-262947
P11413
O15294
0
glycosylation
up-regulates activity
0.264
O-GlcNAcylation of G6PD promotes the pentose phosphate pathway and tumor growth|O-GlcNAcylation of G6PD activates enzyme activity|G6PD is dynamically modified by O-GlcNAc at serine 84|In cells, a single set of antagonistic enzymes-O-GlcNAc transferase (OGT) and O-GlcNAc hydrolase are responsible for the addition and removal of GlcNAc moiety, respectively.
SIGNOR-267582
P08047
P67775
0
dephosphorylation
up-regulates activity
0.264
These results indicate that the signals from TCDD or OP caused PP2A-mediated dephosphorylation of Sp1 at Ser-59 and induced CYP1A1 transcription
SIGNOR-248223
Q9NZ72
P49841
0
phosphorylation
up-regulates activity
0.264
Altogether, these results indicate that CDK5 phosphorylates similarly serines 68 and 73, whereas ERK2 targets mostly serine 68 and GSK-3beta mostly serine 60.|This observation may support the hypothesis of a specific localization of stathmin 3 depending on its phosphorylation by GSK-3beta
SIGNOR-264882
Q96J02
Q13315
0
phosphorylation
up-regulates activity
0.264
Here we uncover ATM as a novel positive modulator of ITCH E3-ubiquitin ligase activity. A single residue on ITCH protein, S161, which is part of an ATM SQ consensus motif, is required for ATM-dependent activation of ITCH.
SIGNOR-276488
Q12800
Q00526
0
phosphorylation
down-regulates
0.264
In vitro, lsf is phosphorylated by cyclin e/cyclin-dependent kinase 2 (cdk2), cyclin c/cdk2, and cyclin c/cdk3, predominantly on s309. Phosphorylation by cyclin c/cyclin-dependent kinase 2 following mitogenic stimulation of murine fibroblasts inhibits transcriptional activity of lsf during g1 progression
SIGNOR-184164
P17096
P24941
0
phosphorylation
down-regulates
0.264
Here, we found that hipk2 phosphorylates hmga1a at ser-35, thr-52, and thr-77, and hmga1b at thr-41 and thr-66. In addition, we demonstrated that cdc2, which is known to phosphorylate hmga1 proteins, could induce the phosphorylation of hmga1 proteins at the same ser/thr sites. we found that the hipk2-phosphorylated hmga1a reduced the binding affinity of hmga1a to human germ line promoter, and the drop in binding affinity induced by hipk2 phosphorylation was lower than that introduced by cdc2 phosphorylation.
SIGNOR-158612
P63092
P32239
0
binding
up-regulates activity
0.264
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 ‚â• -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 ‚â• -1.0 for defining true couplings. | The score associated to this interaction has a LogRAi ‚â• -1.0.
SIGNOR-256765
Q07866
P27361
0
phosphorylation
down-regulates
0.264
Phosphorylation of kinesin light chain 1 at serine 460 modulates binding and trafficking of calsyntenin-1mutation of klc1ser460 to an alanine residue, to preclude phosphorylation, increased the binding of calsyntenin-1, whereas mutation to an aspartate residueklc1ser460 is a predicted mitogen-activated protein kinase (mapk) target site, and we show that extracellular-signal-regulated kinase (erk) phosphorylates this residue in vitro.
SIGNOR-172642
Q92570
P04637
0
transcriptional regulation
up-regulates quantity by expression
0.264
We showed that p53 directly bound the promoter of NR4A3 gene and induced its transcription. p53 transactivates the NR4A3 promoter in H1299 cells.
SIGNOR-256200
P13639
P41240
0
phosphorylation
down-regulates quantity
0.264
C-terminal Src kinase (Csk)-mediated phosphorylation of eukaryotic elongation factor 2 (eEF2) promotes proteolytic cleavage and nuclear translocation of eEF2.|In this report, we show that eukaryotic elongation factor 2 (eEF2) is a new protein substrate of Csk and could locate in the nucleus.
SIGNOR-279698
P56178
P31749
0
phosphorylation
up-regulates
0.264
Akt, a member of the ser-ine/threonine-specific protein kinase, was found to phosphorylate osx and dlx5. akt interacts with and phosphorylates dlx5. In addition, we provide evidences that akt kinase activity is important for akt to enhance the protein stability and transcriptional activity of dlx5.
SIGNOR-252513
P25025
P37231
0
transcriptional regulation
up-regulates quantity by expression
0.264
EMSA, ChIP, and transient transfection assays indicate that PPAR-gamma activates the CXCR2 promoter by binding to a PPAR response element (PPRE).
SIGNOR-271682
Q9UI33
P61328
0
binding
down-regulates activity
0.264
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-253436
P38405
P32238
0
binding
up-regulates activity
0.264
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-256906
P56524
Q96GD4
0
phosphorylation
down-regulates
0.264
We define the precise site of aurb-mediated phosphorylation as a conserved serine within the nuclear localization signals of hdac4, hdac5, and hdac9 at ser265, ser278, and ser242, respectivelyduring mitosis, aurb-mediated phosphorylation may localize class iia hdacs to a phosphorylation gradient at the spindle midzone, permitting temporal and spatial regulatory mechanisms altering hdac protein interactions
SIGNOR-198646
O95837
P21918
0
binding
up-regulates activity
0.264
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-257418
P62826
P53350
0
phosphorylation
up-regulates
0.264
Plk1 is capable of phosphorylating co-immunoprecipitated ran in vitro on serine-135 and ran is phosphorylated in vivo at the same site during mitosis when plk1 is normally activated. Deregulation of ran phosphorylation disrupts normal spindle structure and segregation of chromosomes.
SIGNOR-149073
Q05397
Q13882
0
phosphorylation
up-regulates activity
0.264
B. PTK6 phosphorylates FAK at tyrosine residue 861.|Knockdown of PTK6 in the PC3 human prostate cancer cell line disrupts FAK and AKT activation and promotes anoikis, which can be rescued by exogenous expression of FAK.
SIGNOR-278428
P63092
P32238
0
binding
up-regulates activity
0.264
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 ‚â• -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 ‚â• -1.0 for defining true couplings. | The score associated to this interaction has a LogRAi ‚â• -1.0.
SIGNOR-256763
P08754
O43614
0
binding
up-regulates activity
0.264
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-256872