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Description for Protein PSMC2

proteasome (prosome, macropain) 26S subunit, ATPase, 2
25 total interacting proteins; 13 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 6/1)
(membrane: 1; microparticles: 1; platelet: 7; undefined: 1)
Summary:
The 26S proteasome is a multicatalytic proteinase complex with a highly ordered structure composed of 2 complexes, a 20S core and a 19S regulator. The 20S core is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. The 19S regulator is composed of a base, which contains 6 ATPase subunits and 2 non-ATPase subunits, and a lid, which contains up to 10 non-ATPase subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. This gene encodes one of the ATPase subunits, a member of the triple-A family of ATPases which have a chaperone-like activity. This subunit has been shown to interact with several of the basal transcription factors so, in addition to participation in proteasome functions, this subunit may participate in the regulation of transcription. This subunit may also compete with PSMC3 for binding to the HIV tat protein to regulate the interaction between the viral protein and the transcription complex. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • AAA: ATPases associated with a variety of cellular activities
  • CC: Coiled Coil
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    K03061
    KEGG - Pathway(s):
    hsa03050
    (The yellow boxes represents platelet proteins)
    Nomenclature / Alternative Names:
    Proteasome 26S, subunit 7; S7; MGC3004; MSS1; Protease 26S subunit 7; 26S protease regulatory subunit 7; Mammalian suppressor of sgv-1
    Approved Symbol:
    PSMC2
    (De-) Phosphorylations:
    Total (de-) phosphorylation sites: 2
    Human (de-) phosphorylation sites: 2; 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: 01105 Entrez Gene ID: 5701 OMIM ID: 154365 Swissprot Accession: P35998;