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Description for Protein UBB

ubiquitin B
74 total interacting proteins; 31 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 1/1)
(platelet: 2)
Summary:
This gene encodes ubiquitin, one of the most conserved proteins known. Ubiquitin is required for ATP-dependent, nonlysosomal intracellular protein degradation of abnormal proteins and normal proteins with a rapid turnover. Ubiquitin is covalently bound to proteins to be degraded, and presumably labels these proteins for degradation. Ubiquitin also binds to histone H2A in actively transcribed regions but does not cause histone H2A degradation, suggesting that ubiquitin is also involved in regulation of gene expression. This gene consists of three direct repeats of the ubiquitin coding sequence with no spacer sequence. Consequently, the protein is expressed as a polyubiquitin precursor with a final amino acid after the last repeat. Aberrant form of this protein has been noticed in patients with Alzheimer's and Down syndrome. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • UBQ: Ubiquitin homologues
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    K04551
    KEGG - Pathway(s):
    hsa05012
    (The yellow boxes represents platelet proteins)
    Nomenclature / Alternative Names:
    Polyubiquitin B; UBA52
    Approved Symbol:
    UBB
    (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):

  • (4s)-5-Fluoro-L-Leucine(db)

    Associated Genetic Diseases:

    None Available
    		• Predicted Transmembrane Domains:
  • Isoform 1 : 0
    • Additional Identifiers:

    HPRD: 06771 Entrez Gene ID: 7314 OMIM ID: 191339 Swissprot Accession: Q5U5U6; P62988;