Title : Co-purification of p34cdc2/p58cyclin A proline-directed protein kinase and the retinoblastoma tumor susceptibility gene product: interaction of an oncogenic serine/threonine protein kinase with a tumor-suppressor protein.

Pub. Date : 1992 Mar

PMID : 1532245






1 Functional Relationships(s)
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1 Further studies confirmed that the underphosphorylated Rb protein (p105Rb) present in G1 lysates of synchronized human MG63 osteosarcoma cells could be readily phosphorylated by purified PDPK in vitro, resulting in the characteristic shift in the apparent molecular mass (SDS-PAGE) of the Rb protein that is reported to accompany the hyperphosphorylation and functional inactivation of this protein. Sodium Dodecyl Sulfate RB transcriptional corepressor 1 Homo sapiens