MeSH definition : Product of the retinoblastoma tumor suppressor gene. It is a nuclear phosphoprotein
hypothesized to normally act as an inhibitor of cell proliferation. Rb protein is
absent in retinoblastoma cell lines. It also has been shown to form complexes with
the adenovirus E1A protein, the SV40 T antigen, and the human papilloma virus E7 protein.;
Product of the retinoblastoma tumor suppressor gene. It is a nuclear phosphoprotein
hypothesized to normally act as an inhibitor of cell proliferation. Rb protein is
absent in retinoblastoma cell lines. It also has been shown to form complexes with
the adenovirus E1A protein, the SV40 T antigen, and the human papilloma virus E7 protein.