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Description for Protein PPP2R4

protein phosphatase 2A activator, regulatory subunit 4
8 total interacting proteins; 4 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 3/0)
(platelet: 2; secretome: 2)
Summary:
Protein phosphatase 2A is one of the four major Ser/Thr phosphatases and is implicated in the negative control of cell growth and division. Protein phosphatase 2A holoenzymes are heterotrimeric proteins composed of a structural subunit A, a catalytic subunit C, and a regulatory subunit B. The regulatory subunit is encoded by a diverse set of genes that have been grouped into the B/PR55, B'/PR61, and B''/PR72 families. These different regulatory subunits confer distinct enzymatic specificities and intracellular localizations to the holozenzyme. The product of this gene belongs to the B' family. This gene encodes a specific phosphotyrosyl phosphatase activator of the dimeric form of protein phosphatase 2A. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
None Available
Gene Ontology:
Gene Ontology Annotations
KEGG - Enzyme ID(s):
None Available
KEGG - Orthology:
None Available
KEGG - Pathway(s):
None Available
Nomenclature / Alternative Names:
PTPA; Phosphotyrosyl phosphatase activator; PR53; PP2A subunit B prime; MGC2184; Protein phosphatase 2A, regulatory subunit B prime isoform b; Protein phosphatase 2A, regulatory subunit B prime isoform a; Protein phosphatase 2A, regulatory subunit B prime isoform d
Approved Symbol:
PPP2R4
(De-) Phosphorylations:
Total (de-) phosphorylation sites: 5
Human (de-) phosphorylation sites: 5; No platelet phosphorylation sites
Phosphorylation Targets:
Total phosphorylation targets: 0
Human phosphorylation targets: 0;Predicted platelet targets: 0
Protein Characteristics:
Isoform-specific Information
Icon DrugsAssociated Drugs (DrugBank Accession):

None Available

Associated Genetic Diseases:

None Available
Predicted Transmembrane Domains:
  • Isoform 5 : 0
  • Isoform 4 : 0
  • Isoform 3 : 0
  • Isoform 2 : 0
  • Isoform 1 : 0
    • Additional Identifiers:

    HPRD: 02858 Entrez Gene ID: 5524 OMIM ID: 600756 Swissprot Accession: Q15257;