Target intelligence / Profile preview

Cyclin E

Molecular classification
Cyclins, Transcription factor
01

Overview

Cyclin E is a member of the cyclin protein family that regulates the cell cycle, particularly the transition from G1 phase to S phase. It forms a complex with CDK2, phosphorylating substrates like Rb and promoting DNA synthesis. Cyclin E deregulation is frequently observed in various cancers, which can lead to uncontrolled cell proliferation. Cyclin E also has kinase-independent functions, like facilitating MCM helicase loading onto chromatin.

Other names
CCNE1Cyclin E1CCNE2Cyclin E2
02

Mechanism of action

CDK2 inhibition (potential)

03

Biological functions

Cell cycleG₁/S transitionOrigin licensingCentrosome duplicationDNA replication
04

Disease associations

Cancer
05

Safety considerations

Uncontrolled cell proliferationGenomic instability
06

Biomarkers

Cyclin E overexpression

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