Cyclins regulate cyclin dependent kinases (CDKs). Swiss:P22674 is a Uracil-DNA glycosylase that is related to other cyclins [4]. Cyclins contain two domains of similar all-alpha fold, of which this family corresponds with the C-terminal domain.

1: Evidence for a protein domain superfamily shared by the cyclins, TFIIB and RB/p107. Gibson TJ, Thompson JD, Blocker A, Kouzarides T; Nucleic Acids Res 1994;22:946-952. PMID:8152925

2: The crystal structure of cyclin A Brown NR, Noble MEM, Endicott JA, Garman EF, Wakatsuki S, Mitchell E, Rasmussen B, Hunt T, Johnson LN; Structure. 1995;3:1235-1247. PMID:8591034

3: Structural basis of cyclin-dependant kinase activation by phosphorylation. Russo AA, Jeffrey PD, Pavletich NP; Nat Struct Biol. 1996;3:696-700. PMID:8756328

4: Isolation and characterization of a human cDNA encoding uracil-DNA glycosylase. Muller SJ, Caradonna S; Biochim Biophys Acta 1991;1088:197-207. PMID:2001396