Published in Proteomics Weekly, February 4th, 2008
"Inactivation of Rb involves concerted hyper-phosphorylation by cyclin-CDK (cyclin-dependent kinase) complexes combined with deacetylation of appropriate lysine residues within Rb. In the present study, using it' vivo co-immunoprecipitation experiments, we identified mammalian SIRT1 (sirtuin 1) as a binding partner for Rb and its family members p107 and p130. Formation of Rb-SIRT1 complexes required the pocket domain of Rb. p300 catalysed...
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