PPP1R9B

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Identifiers
Aliases
External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

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RefSeq (protein)

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Neurabin-2 is a protein that in humans is encoded by the PPP1R9B gene.[1][2]

Spinophilin is a regulatory subunit of protein phosphatase-1 catalytic subunit (PP1; see MIM 176875) and is highly enriched in dendritic spines, specialized protrusions from dendritic shafts that receive most of the excitatory input in the central nervous system (Allen et al., 1997).[supplied by OMIM][2]

Interactions

PPP1R9B has been shown to interact with PPP1CB,[3] PPP1CA,[3] Dopamine receptor D2,[4] P16,[5] PPP1CC,[3][4] T-cell lymphoma invasion and metastasis-inducing protein 1[6] and PPP1R2.[7]

References

  1. Allen PB, Ouimet CC, Greengard P (Oct 1997). "Spinophilin, a novel protein phosphatase 1 binding protein localized to dendritic spines". Proc Natl Acad Sci U S A. 94 (18): 9956–61. Bibcode:1997PNAS...94.9956A. doi:10.1073/pnas.94.18.9956. PMC 23308. PMID 9275233.
  2. 2.0 2.1 "Entrez Gene: PPP1R9B protein phosphatase 1, regulatory (inhibitor) subunit 9B".
  3. 3.0 3.1 3.2 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.
  4. 4.0 4.1 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.
  5. Vivo, M; Calogero R A; Sansone F; Calabrò V; Parisi T; Borrelli L; Saviozzi S; La Mantia G (Apr 2001). "The human tumor suppressor arf interacts with spinophilin/neurabin II, a type 1 protein-phosphatase-binding protein". J. Biol. Chem. United States. 276 (17): 14161–9. doi:10.1074/jbc.M006845200. ISSN 0021-9258. PMID 11278317.
  6. Buchsbaum, Rachel J; Connolly Beth A; Feig Larry A (May 2003). "Regulation of p70 S6 kinase by complex formation between the Rac guanine nucleotide exchange factor (Rac-GEF) Tiam1 and the scaffold spinophilin". J. Biol. Chem. United States. 278 (21): 18833–41. doi:10.1074/jbc.M207876200. ISSN 0021-9258. PMID 12531897.
  7. Terry-Lorenzo, Ryan T; Elliot Elizabeth; Weiser Douglas C; Prickett Todd D; Brautigan David L; Shenolikar Shirish (Nov 2002). "Neurabins recruit protein phosphatase-1 and inhibitor-2 to the actin cytoskeleton". J. Biol. Chem. United States. 277 (48): 46535–43. doi:10.1074/jbc.M206960200. ISSN 0021-9258. PMID 12270929.

Further reading