G1 cyclin involved in regulation of the cell cycle; activates Cdc28p kinase to promote the G1 to S phase transition; late G1 specific expression depends on transcription factor complexes, MBF (Swi6p-Mbp1p) and SBF (Swi6p-Swi4p); CLN1 has a paralog, CLN2, that arose from the whole genome duplication; cell cycle arrest phenotype of the cln1 cln2 cln3 triple null mutant is complemented by any of human cyclins CCNA2, CCNB1, CCNC, CCND1, or CCNE1 [Source:SGD;Acc:S000004812]

Chromosome XIII: 662,644-664,284 forward strand.

R64-1-1:BK006946.2

This gene has 1 transcript (splice variant), 344 orthologues, 8 paralogues and is a member of 1 Ensembl protein family.

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