Database for Annotation, Visualization and Integrated Discovery 2.1
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protein phosphatase 1 catalytic subunit gamma(PPP1CC) protein phosphatase 1 catalytic subunit gamma(PPP1CC) Related Genes Homo sapiens
CYTOBAND 12q24.1-q24.2,
GENERIF_SUMMARY gamma isoform of the human protein phosphatase-1 catalytic subunit (PP1c gamma) as a high affinity in vitro target of phosphatidic acid, Nek2.PP1C complex is regulated by Inh2 via inhibition of phosphatase activity to initiate centrosome separation, Tat might function as a nuclear regulator of PP1 and interaction of Tat with PP1 is critical for activation of HIV-1 transcription by Tat, analysis of novel phosphatidic acid (PA) binding region on PP1c gamma that contains a unique loop-strand structural fold responsible for the interaction with PA, crystal structures of the cyanotoxins, motuporin (nodularin-V) and dihydromicrocystin-LA bound to human protein phosphatase-1c, We demonstrate that interaction with NIPP1 mediates decreased PP1gamma activity in hypoxia, an event which may constitute an inherent part of the cellular oxygen-sensing machinery and may play a role in physiologic adaptation to hypoxia., Data show that URI and PP1gamma are components of an S6K1-regulated mitochondrial pathway dedicated to oppose sustained S6K1 survival signaling and to ensure that the threshold for apoptosis is set based on nutrient and growth factor availability., Results describe a specific intracellular pathway involving the activation of PP1cgamma to mediate the effects of confluence-induced beta-catenin dephosphorylation., PP1cgamma1 overexpression promotes VSMC survival by interfering with JNK1 and p53 phosphorylation cascades involved in apoptosis, Protein phosphatase 1 binding occurs through a conserved RVXF motif found in the KH domain of AKAP149., mammalian Wdr82 functions in a variety of cellular processes; PTW/PP1 phosphatase complex (PNUTS, Tox4, Wdr82, PP1) has a role in the regulation of chromatin structure during the transition from mitosis into interphase, The ataxia telangiectasia, mutated and Rad3-related-Chk1 axis regulates H3-pThr 11 dephosphorylation on DNA damage, at least in part by the activation of PP1gamma through Chk1-dependent inhibition of cyclin dependent kinases., The counteracting Nek2A and PP1gamma activities on the centrosome linker are controlled by Plk1., NUAK1 and PPP1CC are identified as positional candidate loci for skeletal muscle strength phenotypes., Depletion of PP1gamma enhances the localization of the SMN complex and snRNPs to Cajal bodies., When the Px(T)PxR motif is deleted or mutated via insertion of a phosphorylation site mimic (T311D), PP-1c fails to bind to all three ASPP proteins, ASPP1, ASPP2 and iASPP., PP-1alpha and PP-1gamma not only antagonize each other in lung cancer cells, but also display differential functions in tumorigenicity., PPP1C isoforms have distinct contribution to the outside-in alphaIIbbeta3 signalling-dependent functions in HEK293 alphaIIbbeta3 cells., Findings indicate that phosphatases PP1alpha and PP1gamma are key regulators of RIG-I and MDA5 antiviral signaling., Protein phosphatase 1gamma promotes the alternative splicing of CaMKIIdelta through its interaction with alternative splice factor., the lipin-1 N-terminal domain is important for its catalytic activity, nuclear localization, and binding to PP-1cgamma, Although no obvious defects in the progression of mitosis were observed, the timing of dephosphorylation of the mutant Ki67 in anaphase was delayed, indicating that Ki67 itself is one of the substrates of PP1gamma-Ki67., PP1gamma may be a novel target of the HPV-16 oncoproteins and indicate that it might be a potential novel biomarker for HPV-16 induced malignancy.,
SP_COMMENT catalytic activity:A phosphoprotein + H(2)O = a protein + phosphate., cofactor:Binds 1 iron ion per subunit., cofactor:Binds 1 manganese ion per subunit., enzyme regulation:The phosphatase activity of the PPP1R15A-PP1 complex toward EIF2S1 is specifically inhibited by Salubrinal, a drug that protects cells from endoplasmic reticulum stress., function:Protein phosphatase 1 (PP1) is essential for cell division, and participates in the regulation of glycogen metabolism, muscle contractility and protein synthesis. Involved in regulation of ionic conductances and long-term synaptic plasticity. May play an important role in dephosphorylating substrates such as the postsynaptic density-associated Ca(2+)/calmodulin dependent protein kinase II., miscellaneous:Microcystin toxin is bound to Cys-273 through a thioether bond., online information:The things we forget -Issue 32 of March 2003, similarity:Belongs to the PPP phosphatase family., similarity:Belongs to the PPP phosphatase family. PP-1 subfamily., subcellular location:Colocalizes with SPZ1 in the nucleus., subunit:PP1 comprises a catalytic subunit, PPP1CA, PPP1CB or PPP1CC, which is folded into its native form by inhibitor 2 and glycogen synthetase kinase 3, and then complexed to one or several targeting or regulatory subunits. PPP1R12A, PPP1R12B and PPP1R12C mediate binding to myosin. PPP1R3A, PPP1R3B, PPP1R3C and PPP1R3D mediate binding to glycogen. Interacts with cyanobacterial toxin microcystin; disulfide-linked. Interacts with PPP1R3B and PPP1R7. Isoform gamma-2 interacts with SPZ1 (By similarity). Interacts with CDCA2. PPP1R15A and PPP1R15B mediate binding to EIF2S1. Part of a complex containing PPP1R15B, PP1 and NCK1/2.,