Summary

Name PPP1CB
Full Name Serine/threonine-protein phosphatase PP1-beta catalytic subunit
Synonyms PP-1B, PPP1CD
Primary ID P62140
Links - -
Type protein
Relations 18
Function Protein phosphatase that associates with over 200 regulatory proteins to form highly specific holoenzymes which dephosphorylate hundreds of biological targets. Protein phosphatase (PP1) is essential for cell division, it participates in the regulation of glycogen metabolism, muscle contractility and protein synthesis. Involved in regulation of ionic conductances and long-term synaptic plasticity. Component of the PTW/PP1 phosphatase complex, which plays a role in the control of chromatin structure and cell cycle progression during the transition from mitosis into interphase. In balance with CSNK1D and CSNK1E, determines the circadian period length, through the regulation of the speed and rhythmicity of PER1 and PER2 phosphorylation. May dephosphorylate CSNK1D and CSNK1E. Dephosphorylates the 'Ser-418' residue of FOXP3 in regulatory T-cells (Treg) from patients with rheumatoid arthritis, thereby inactivating FOXP3 and rendering Treg cells functionally defective (PubMed:23396208).

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Relations


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Regulator Mechanism target score ℹ
+ down-regulates activity img/direct_inhibition.png dephosphorylation TP53 0.283
Publications: 2 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png dephosphorylation CASP2 0.2
Publications: 1 Organism: In Vitro
+ down-regulates activity img/direct_inhibition.png dephosphorylation AXIN1 0.2
Publications: 4 Organism: Homo Sapiens
+ up-regulates quantity by stabilization img/direct-activation.png dephosphorylation MDM2 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation AKT 0.377
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation AKT1 0.377
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png dephosphorylation NF2 0.37
Publications: 1 Organism: Homo Sapiens
+