[Term] id: PR:000027141 name: cyclin E1:Cdk2 complex phosphorylated form def: "A cyclin-dependent protein kinase holoenzyme complex that has a cyclin E1 regulatory subunit and a Cdk2 kinase subunit that has been phosphorylated." [PRO:DAN, Reactome:R-HSA-68371] comment: Category=complex. synonym: "cyclin E1:phospho-Cdk2 complex" EXACT [Reactome:R-HSA-68371] is_a: GO:0000307 ! cyclin-dependent protein kinase holoenzyme complex relationship: has_component PR:000005125 {cardinality="1"} ! G1/S-specific cyclin-E1 relationship: has_component PR:000045380 {cardinality="1"} ! cyclin-dependent kinase 2 phosphorylated form