NP_001008709.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
NCBI Official Full Name
serine/threonine-protein phosphatase PP1-alpha catalytic subunit isoform 3
NCBI Official Synonym Full Names
protein phosphatase 1 catalytic subunit alpha
NCBI Protein Information
serine/threonine-protein phosphatase PP1-alpha catalytic subunit
UniProt Protein Name
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit
UniProt Synonym Gene Names
NCBI Summary for PPP1A
The protein encoded by this gene is one of the three catalytic subunits of protein phosphatase 1 (PP1). PP1 is a serine/threonine specific protein phosphatase known to be involved in the regulation of a variety of cellular processes, such as cell division, glycogen metabolism, muscle contractility, protein synthesis, and HIV-1 viral transcription. Increased PP1 activity has been observed in the end stage of heart failure. Studies in both human and mice suggest that PP1 is an important regulator of cardiac function. Mouse studies also suggest that PP1 functions as a suppressor of learning and memory. Three alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
UniProt Comments for PPP1A
PPP1CA: is a catalytic subunit of protein phosphatase 1 (PP1), aubiquitous cytosolic serine-threonine phosphatase. Composed of 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 and PPP1R12B mediate binding to myosin; PPP1R3A, PPP1R3B, PPP1R3C and PPP1R3D mediate binding to glycogen; and PPP1R15A and PPP1R15B mediate binding to EIF2S1. PP1 is essential for cell division, plays critical roles in many cellular processes including glycogen metabolism, muscle contractility and protein synthesis, and is involved in the regulation of ionic conductances and long-term synaptic plasticity. Inhibits the synthesis of proteins involved in synaptic plasticity. Binds to the transcription factor cyclic AMP-dependent response element binding (CREB) and dephosphorylates it. May regulate chromatin condensation through regulation of histone H3 phosphorylation. Differentially expressed in gastric cancer. May participate in the neurodegenerative progress in Alzheimer's disease. Down-regulated in lung squamous cell carcinoma.
Protein type: EC 3.1.3.16; Nucleolus; Protein phosphatase, Ser/Thr (non-receptor)
Chromosomal Location of Human Ortholog: 11q13.2
Cellular Component: cytoplasm; cytosol; intercellular junction; nuclear chromosome, telomeric region; nucleoplasm; nucleus; plasma membrane
Molecular Function: phosphoprotein phosphatase activity; phosphoric monoester hydrolase activity; protein binding
Biological Process: circadian regulation of gene expression; dephosphorylation; entrainment of circadian clock by photoperiod; negative regulation of protein binding; protein amino acid dephosphorylation; regulation of circadian rhythm
Research Articles on PPP1A
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Products associated with anti-PPP1A antibody
Pathways associated with anti-PPP1A antibody
Diseases associated with anti-PPP1A antibody
Organs/Tissues associated with anti-PPP1A antibody
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