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Protein PPP1CC PDB 1fjm.png
Available structures
PDB Ortholog search: PDBe RCSB
Aliases PPP1CC, PP-1G, PP1C, PPP1G, protein phosphatase 1 catalytic subunit gamma
External IDs MGI: 3647492 HomoloGene: 100608 GeneCards: PPP1CC
RNA expression pattern
PBB GE PPP1CC 200726 at fs.png
More reference expression data
Species Human Mouse
RefSeq (mRNA)



RefSeq (protein)



Location (UCSC) Chr 12: 110.72 – 110.74 Mb Chr 5: 122.16 – 122.18 Mb
PubMed search [1] [2]
View/Edit Human View/Edit Mouse

Serine/threonine-protein phosphatase PP1-gamma catalytic subunit is an enzyme that in humans is encoded by the PPP1CC gene.[3]


PPP1CC has been shown to interact with PPP1R15A,[4][5] SMARCB1,[4] TLX1[6] and PPP1R9B.[7][8]


  1. ^ "Human PubMed Reference:". 
  2. ^ "Mouse PubMed Reference:". 
  3. ^ "Entrez Gene: PPP1CC Protein phosphatase 1, catalytic subunit, gamma isoform". 
  4. ^ a b Wu, Daniel Y; Tkachuck Douglas C; Roberson Rachel S; Schubach William H (Aug 2002). "The human SNF5/INI1 protein facilitates the function of the growth arrest and DNA damage-inducible protein (GADD34) and modulates GADD34-bound protein phosphatase-1 activity". J. Biol. Chem. United States. 277 (31): 27706–15. doi:10.1074/jbc.M200955200. ISSN 0021-9258. PMID 12016208. 
  5. ^ Connor, J H; Weiser D C; Li S; Hallenbeck J M; Shenolikar S (Oct 2001). "Growth arrest and DNA damage-inducible protein GADD34 assembles a novel signaling complex containing protein phosphatase 1 and inhibitor 1". Mol. Cell. Biol. United States. 21 (20): 6841–50. doi:10.1128/MCB.21.20.6841-6850.2001. ISSN 0270-7306. PMC 99861Freely accessible. PMID 11564868. 
  6. ^ Kawabe, T; Muslin A J; Korsmeyer S J (Jan 1997). "HOX11 interacts with protein phosphatases PP2A and PP1 and disrupts a G2/M cell-cycle checkpoint". Nature. ENGLAND. 385 (6615): 454–8. doi:10.1038/385454a0. ISSN 0028-0836. PMID 9009195. 
  7. ^ Hsieh-Wilson, L C; Allen P B; Watanabe T; Nairn A C; Greengard P (Apr 1999). "Characterization of the neuronal targeting protein spinophilin and its interactions with protein phosphatase-1". Biochemistry. UNITED STATES. 38 (14): 4365–73. doi:10.1021/bi982900m. ISSN 0006-2960. PMID 10194355. 
  8. ^ Smith, F D; Oxford G S; Milgram S L (Jul 1999). "Association of the D2 dopamine receptor third cytoplasmic loop with spinophilin, a protein phosphatase-1-interacting protein". J. Biol. Chem. UNITED STATES. 274 (28): 19894–900. doi:10.1074/jbc.274.28.19894. ISSN 0021-9258. PMID 10391935. 

Further reading[edit]

  • Van Eynde A, Wera S, Beullens M, et al. (1996). "Molecular cloning of NIPP-1, a nuclear inhibitor of protein phosphatase-1, reveals homology with polypeptides involved in RNA processing.". J. Biol. Chem. 270 (47): 28068–74. doi:10.1074/jbc.270.47.28068. PMID 7499293. 
  • Egloff MP, Cohen PT, Reinemer P, Barford D (1996). "Crystal structure of the catalytic subunit of human protein phosphatase 1 and its complex with tungstate.". J. Mol. Biol. 254 (5): 942–59. doi:10.1006/jmbi.1995.0667. PMID 7500362. 
  • MacKintosh RW, Dalby KN, Campbell DG, et al. (1995). "The cyanobacterial toxin microcystin binds covalently to cysteine-273 on protein phosphatase 1.". FEBS Lett. 371 (3): 236–40. doi:10.1016/0014-5793(95)00888-G. PMID 7556599. 
  • Norman SA, Mott DM (1994). "Molecular cloning and chromosomal localization of a human skeletal muscle PP-1 gamma 1 cDNA.". Mamm. Genome. 5 (1): 41–5. doi:10.1007/BF00360567. PMID 8111128. 
  • Barker HM, Craig SP, Spurr NK, Cohen PT (1993). "Sequence of human protein serine/threonine phosphatase 1 gamma and localization of the gene (PPP1CC) encoding it to chromosome bands 12q24.1-q24.2.". Biochim. Biophys. Acta. 1178 (2): 228–33. doi:10.1016/0167-4889(93)90014-G. PMID 8394140. 
  • Helps NR, Barker HM, Elledge SJ, Cohen PT (1996). "Protein phosphatase 1 interacts with p53BP2, a protein which binds to the tumour suppressor p53.". FEBS Lett. 377 (3): 295–300. doi:10.1016/0014-5793(95)01347-4. PMID 8549741. 
  • Saadat M, Nomoto K, Mizuno Y, et al. (1996). "Assignment of the gene encoding type 1 gamma protein phosphatase catalytic subunit (PPP1CC) on human, rat, and mouse chromosomes.". Jpn. J. Hum. Genet. 41 (1): 159–65. doi:10.1007/BF01892623. PMID 8914631. 
  • Armstrong CG, Browne GJ, Cohen P, Cohen PT (1998). "PPP1R6, a novel member of the family of glycogen-targeting subunits of protein phosphatase 1.". FEBS Lett. 418 (1-2): 210–4. doi:10.1016/S0014-5793(97)01385-9. PMID 9414128. 
  • Andreassen PR, Lacroix FB, Villa-Moruzzi E, Margolis RL (1998). "Differential subcellular localization of protein phosphatase-1 alpha, gamma1, and delta isoforms during both interphase and mitosis in mammalian cells.". J. Cell Biol. 141 (5): 1207–15. doi:10.1083/jcb.141.5.1207. PMC 2137188Freely accessible. PMID 9606212. 
  • Ajuh PM, Browne GJ, Hawkes NA, et al. (2000). "Association of a protein phosphatase 1 activity with the human factor C1 (HCF) complex.". Nucleic Acids Res. 28 (3): 678–86. doi:10.1093/nar/28.3.678. PMC 102561Freely accessible. PMID 10637318. 
  • Yang J, Hurley TD, DePaoli-Roach AA (2000). "Interaction of inhibitor-2 with the catalytic subunit of type 1 protein phosphatase. Identification of a sequence analogous to the consensus type 1 protein phosphatase-binding motif.". J. Biol. Chem. 275 (30): 22635–44. doi:10.1074/jbc.M003082200. PMID 10807923. 
  • Katayama H, Zhou H, Li Q, et al. (2002). "Interaction and feedback regulation between STK15/BTAK/Aurora-A kinase and protein phosphatase 1 through mitotic cell division cycle.". J. Biol. Chem. 276 (49): 46219–24. doi:10.1074/jbc.M107540200. PMID 11551964. 
  • Patel KG, Liu C, Cameron PL, Cameron RS (2001). "Myr 8, a novel unconventional myosin expressed during brain development associates with the protein phosphatase catalytic subunits 1alpha and 1gamma1.". J. Neurosci. 21 (20): 7954–68. PMID 11588169. 
  • Andersen JS, Lyon CE, Fox AH, et al. (2002). "Directed proteomic analysis of the human nucleolus.". Curr. Biol. 12 (1): 1–11. doi:10.1016/S0960-9822(01)00650-9. PMID 11790298. 
  • Jones JA, Hannun YA (2002). "Tight binding inhibition of protein phosphatase-1 by phosphatidic acid. Specificity of inhibition by the phospholipid.". J. Biol. Chem. 277 (18): 15530–8. doi:10.1074/jbc.M111555200. PMID 11856740. 
  • Wu DY, Tkachuck DC, Roberson RS, Schubach WH (2002). "The human SNF5/INI1 protein facilitates the function of the growth arrest and DNA damage-inducible protein (GADD34) and modulates GADD34-bound protein phosphatase-1 activity.". J. Biol. Chem. 277 (31): 27706–15. doi:10.1074/jbc.M200955200. PMID 12016208. 
  • Bharucha DC, Zhou M, Nekhai S, et al. (2002). "A protein phosphatase from human T cells augments tat transactivation of the human immunodeficiency virus type 1 long-terminal repeat.". Virology. 296 (1): 6–16. doi:10.1006/viro.2002.1438. PMID 12036313. 
  • Tan SL, Tareen SU, Melville MW, et al. (2002). "The direct binding of the catalytic subunit of protein phosphatase 1 to the PKR protein kinase is necessary but not sufficient for inactivation and disruption of enzyme dimer formation.". J. Biol. Chem. 277 (39): 36109–17. doi:10.1074/jbc.M205109200. PMID 12138106. 
  • Eto M, Elliott E, Prickett TD, Brautigan DL (2003). "Inhibitor-2 regulates protein phosphatase-1 complexed with NimA-related kinase to induce centrosome separation.". J. Biol. Chem. 277 (46): 44013–20. doi:10.1074/jbc.M208035200. PMID 12221103. 
  • Ceulemans H, Vulsteke V, De Maeyer M, et al. (2003). "Binding of the concave surface of the Sds22 superhelix to the alpha 4/alpha 5/alpha 6-triangle of protein phosphatase-1.". J. Biol. Chem. 277 (49): 47331–7. doi:10.1074/jbc.M206838200. PMID 12226088.