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Description for Protein PSMD3

proteasome (prosome, macropain) 26S subunit, non-ATPase, 3
12 total interacting proteins; 8 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 2/0)
(microparticles: 1; platelet: 2)
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 non-ATPase subunits of the 19S regulator lid. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • PINT: motif in proteasome subunits, Int-6, Nip-1 and TRIP-15
  • CC: Coiled Coil
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    K03033
    KEGG - Pathway(s):
    hsa03050
    (The yellow boxes represents platelet proteins)
    Nomenclature / Alternative Names:
    S3; P58; RPN3; 26S proteasome regulatory subunit S3; Proteasome subunit p58; 26S proteasome non ATPase regulatory subunit 3
    Approved Symbol:
    PSMD3
    (De-) Phosphorylations:
    Total (de-) phosphorylation sites: 4
    Human (de-) phosphorylation sites: 4; 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: 10170 Entrez Gene ID: 5709 OMIM ID: - Swissprot Accession: O43242; Q8N9M2;