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Description for Protein RBL1

retinoblastoma-like 1 (p107)
52 total interacting proteins; 11 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 0/0)
(Not detected in platelets)
Summary:
The protein encoded by this gene is similar in sequence and possibly function to the product of the retinoblastoma 1 (RB1) gene. The RB1 gene product is a tumor suppressor protein that appears to be involved in cell cycle regulation, as it is phosphorylated in the S to M phase transition and is dephosphorylated in the G1 phase of the cell cycle. Both the RB1 protein and the product of this gene can form a complex with adenovirus E1A protein and SV40 large T-antigen, with the SV40 large T-antigen binding only to the unphosphorylated form of each protein. In addition, both proteins can inhibit the transcription of cell cycle genes containing E2F binding sites in their promoters. Due to the sequence and biochemical similarities with the RB1 protein, it is thought that the protein encoded by this gene may also be a tumor suppressor. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • CYCLIN: domain present in cyclins, TFIIB and Retinoblastoma
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    K04681
    KEGG - Pathway(s):
    hsa04110; hsa04350
    (The yellow boxes represents platelet proteins)
    Nomenclature / Alternative Names:
    MGC40006; PRB1; Retinoblastoma like protein 1 isoform b; Retinoblastoma like protein 1 isoform a; Cellular protein p107; CP107; p107; 107 kDa retinoblastoma associated protein
    Approved Symbol:
    RBL1
    (De-) Phosphorylations:
    Total (de-) phosphorylation sites: 25
    Human (de-) phosphorylation sites: 25; 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 2 : 0
  • Isoform 1 : 0
    • Additional Identifiers:

    HPRD: 00312 Entrez Gene ID: 5933 OMIM ID: 116957 Swissprot Accession: P28749;