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Definition of Cyclin

Cyclin: One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent kinases.

The cyclins include cyclin A, cyclin B, cyclin C, cyclin D, cyclin E, cyclin F, cyclin G, cyclin H, cyclin K, and cyclin T.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=21786
Last Editorial Review: 6/14/2012

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