The protein encoded by this gene belongs to the highly conserved cyclin family, whose members are characterized by a dramatic periodicity in protein abundance through the cell division cycle. Cyclins function as activating subunits of enzymatic complex together with cyclin-dependent kinases (CDKs). Different cyclins exhibit distinct expression and degradation patterns that contribute to the temporal coordination of cell cycle events. Cyclin A1 was shown to be expressed in testis and brain, as well as in several leukemic cell lines, and is thought to primarily function in the control of meiosis. This cyclin binds both Cdk1 and Cdk2 kinases, which give two distinct kinase activities, one appearing in S phase, the other in G2, and thus regulate separate functions in cell cycle. This cyclin was found to bind to important cell cycle regulators, such as Rb family proteins, transcription factor E2F1, and the Kip/Cip family of CDK-inhibitor proteins.
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^Sweeney, C; Murphy M, Kubelka M, Ravnik S E, Hawkins C F, Wolgemuth D J, Carrington M (January 1996). "A distinct cyclin A is expressed in germ cells in the mouse". Development (ENGLAND) 122 (1): 53–64. ISSN0950-1991. PMID8565853.Cite uses deprecated parameters (help)
^ abMüller-Tidow, C; Wang W, Idos G E, Diederichs S, Yang R, Readhead C, Berdel W E, Serve H, Saville M, Watson R, Koeffler H P (April 2001). "Cyclin A1 directly interacts with B-myb and cyclin A1/cdk2 phosphorylate B-myb at functionally important serine and threonine residues: tissue-specific regulation of B-myb function". Blood (United States) 97 (7): 2091–7. doi:10.1182/blood.V97.7.2091. ISSN0006-4971. PMID11264176.Cite uses deprecated parameters (help)
^Brown, N R; Noble M E, Endicott J A, Johnson L N (November 1999). "The structural basis for specificity of substrate and recruitment peptides for cyclin-dependent kinases". Nat. Cell Biol. (England) 1 (7): 438–43. doi:10.1038/15674. ISSN1465-7392. PMID10559988.Cite uses deprecated parameters (help)
^ abDiederichs, Sven; Bäumer Nicole, Ji Ping, Metzelder Stephan K, Idos Gregory E, Cauvet Thomas, Wang Wenbing, Möller Maria, Pierschalski Sarah, Gromoll Jörg, Schrader Mark G, Koeffler H Phillip, Berdel Wolfgang E, Serve Hubert, Müller-Tidow Carsten (August 2004). "Identification of interaction partners and substrates of the cyclin A1-CDK2 complex". J. Biol. Chem. (United States) 279 (32): 33727–41. doi:10.1074/jbc.M401708200. ISSN0021-9258. PMID15159402.Cite uses deprecated parameters (help)
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Müller-Tidow C, Wang W, Idos GE, et al. (2001). "Cyclin A1 directly interacts with B-myb and cyclin A1/cdk2 phosphorylate B-myb at functionally important serine and threonine residues: tissue-specific regulation of B-myb function.". Blood97 (7): 2091–7. doi:10.1182/blood.V97.7.2091. PMID11264176.