CCNE1(redirected from cyclin Es)
CCNE1A gene on chromosome 19q12 that encodes cyclin E1, which forms a complex with and acts as a regulatory subunit of CDK2. Cyclin E1 is required for cell cycle G1/S (start) transition; it accumulates at the G1-S phase boundary and is degraded as cells progress through S phase. It is highly expressed in the testes and placenta.
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