[Term] id: PR:000029191 name: cyclin-related protein def: "A protein that consists of a copy of the Cyclin, N-terminal domain (Pfam:PF00134). This class includes the G1/S cyclins, essential for the control of the cell cycle at the G1/S transition, and the G2/M cyclins, essential for the control of the cell cycle at the G2/M transition." [PRO:CNA, PRO:DAN, Wikipedia:Cyclin] comment: Category=family. synonym: "fam:cyclin" EXACT PRO-short-label [PRO:DAN] is_a: PR:000000001 ! protein