from typing import Optional from vcutils.vcell_pipeline.citation import getCitation, CitationInfo, getSuggestedProjectName def test_citation() -> None: citation: Optional[CitationInfo] = getCitation(pubmedid="35367415") assert citation is not None assert citation.author == "Nosbisch, Jamie L" assert citation.title == ("A kinetic model of phospholipase C-γ1 linking structure-based insights to dynamics of " "enzyme autoinhibition and activation") assert citation.year == 2022 assert citation.journal == "J Biol Chem" suggestedProjectName = getSuggestedProjectName(bm_key="12345", pub_info=None, citation_info=citation) assert suggestedProjectName == "VCDB_12345_Nosbisch_JBiolChem_2022" def test_get_citation(): pubmdeid = "35367415" expected_title = ("A kinetic model of phospholipase C-γ1 linking structure-based insights to dynamics of " "enzyme autoinhibition and activation") expected_year = 2022 expected_journal = "J Biol Chem" expected_author = "Nosbisch, Jamie L" expected_abstract = ("Phospholipase C-γ1 (PLC-γ1) is a receptor-proximal enzyme that promotes signal transduction " "through PKC in mammalian cells. Because of the complexity of PLC-γ1 regulation, a two-state " "(inactive/active) model does not account for the intricacy of activation and inactivation " "steps at the plasma membrane. Here, we introduce a structure-based kinetic model of PLC-γ1, " "considering interactions of its regulatory Src homology 2 (SH2) domains and perturbation of " "those dynamics upon phosphorylation of Tyr783, a hallmark of activation. For PLC-γ1 " "phosphorylation to dramatically enhance enzyme activation as observed, we found that high " "intramolecular affinity of the C-terminal SH2 (cSH2) domain-pTyr783 interaction is critical, " "but this affinity need not outcompete the autoinhibitory interaction of the cSH2 domain. " "Under conditions for which steady-state PLC-γ1 activity is sensitive to the rate of Tyr783 " "phosphorylation, maintenance of the active state is surprisingly insensitive to the " "phosphorylation rate, since pTyr783 is well protected by the cSH2 domain while the enzyme is " "active. In contrast, maintenance of enzyme activity is sensitive to the rate of PLC-γ1 " "membrane (re)binding. Accordingly, we found that hypothetical PLC-γ1 mutations that either " "weaken autoinhibition or strengthen membrane binding influence the activation kinetics " "differently, which could inform the characterization of oncogenic variants. Finally, we used " "this newly informed kinetic scheme to refine a spatial model of PLC/PKC polarization during " "chemotaxis. The refined model showed improved stability of the polarized pattern while " "corroborating previous qualitative predictions. As demonstrated here for PLC-γ1, this " "approach may be adapted to model the dynamics of other receptor- and membrane-proximal " "enzymes.") citation = getCitation(pubmedid=pubmdeid) assert citation is not None assert citation.abstract == expected_abstract assert citation.author == expected_author assert citation.title == expected_title assert citation.year == expected_year assert citation.journal == expected_journal