Sarcevic, Boris; Mawson, Amanda; Baker, Rohan; Sutherland, Robert L
Cell cycle progression in eukaryotes is mediated by phosphorylation of protein substrates by the cyclin-dependent kinases (CDKs). We screened a cDNA library by solid-phase phosphorylation and isolated hHR6A as a CDK2 substrate. hHR6A is the human homologue of the product of the Saccharomyces cerevisiae RAD6/UBC2 gene, a member of the family of ubiquitin-conjugating enzymes. hHR6A is phosphorylated in vitro by CDK-1 and -2 on Ser120, a residue conserved in all hHR6A homologues, resulting in a...[Show more]
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