CDK1-cyclin B1 phosphorylates the mRNA cap methyltransferase RNMT on T77
RNMT T77 phosphorylation increases mRNA cap methyltransferase activity
CDK1-cyclin B1 activation of RNMT coordinates post-mitotic transcription and capping
RNMT T77 phosphorylation is rate limiting for gene expression and cell proliferation