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Description for Protein DUSP3

dual specificity phosphatase 3
10 total interacting proteins; 7 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 7/0)
(membrane: 1; microparticles: 1; platelet: 4; secretome: 2)
Summary:
The protein encoded by this gene is a member of the dual specificity protein phosphatase subfamily. These phosphatases inactivate their target kinases by dephosphorylating both the phosphoserine/threonine and phosphotyrosine residues. They negatively regulate members of the mitogen-activated protein (MAP) kinase superfamily (MAPK/ERK, SAPK/JNK, p38), which are associated with cellular proliferation and differentiation. Different members of the family of dual specificity phosphatases show distinct substrate specificities for various MAP kinases, different tissue distribution and subcellular localization, and different modes of inducibility of their expression by extracellular stimuli. This gene maps in a region that contains the BRCA1 locus which confers susceptibility to breast and ovarian cancer. Although DUSP3 is expressed in both breast and ovarian tissues, mutation screening in breast cancer pedigrees and in sporadic tumors was negative, leading to the conclusion that this gene is not BRCA1. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • DSPC: Dual specificity phosphatase, catalytic domain
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    3.1.3.16; 3.1.3.48
    KEGG - Orthology:
    K04459
    KEGG - Pathway(s):
    hsa04010
    (The yellow boxes represents platelet proteins)
    Nomenclature / Alternative Names:
    Dual specificity protein phosphatase; VHR; Vaccinia virus phosphatase VH1 related; Serine/threonine specific protein phosphatase
    Approved Symbol:
    DUSP3
    (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 1 : 0
    • Additional Identifiers:

    HPRD: 02553 Entrez Gene ID: 1845 OMIM ID: 600183 Swissprot Accession: P51452;