CCNE1

cyclin E1

Summary

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 cycle. Cyclins function as regulators of CDK kinases. Different cyclins exhibit distinct expression and degradation patterns which contribute to the temporal coordination of each mitotic event. This cyclin forms a complex with and functions as a regulatory subunit of CDK2, whose activity is required for cell cycle G1/S transition. This protein accumulates at the G1-S phase boundary and is degraded as cells progress through S phase. Overexpression of this gene has been observed in many tumors, which results in chromosome instability, and thus may contribute to tumorigenesis. This protein was found to associate with, and be involved in, the phosphorylation of NPAT protein (nuclear protein mapped to the ATM locus), which participates in cell-cycle regulated histone gene expression and plays a critical role in promoting cell-cycle progression in the absence of pRB. [provided by RefSeq, Apr 2016]

Known Variants27 total

rsidPosition (GRCh37)AllelesClassClinVar
rs321802719:30,303,352T/Cregulatory region variant—
rs77483690519:30,303,681G/C—uncertain significance
rs77272428319:30,303,876T/C—uncertain significance
rs14637665919:30,303,889C/A—uncertain significance
rs99766919:30,304,483T/Cintron variant—
rs321803519:30,305,449C/A——
rs321803619:30,305,684G/Aintron variant—
rs321803819:30,305,895G/Tintron variant—
rs321804219:30,307,338T/Aintron variant—
rs118440704719:30,308,095C/A—uncertain significance
rs129236657119:30,308,108A/G—uncertain significance
rs14712084519:30,308,110G/C—uncertain significance
rs159959950519:30,308,182G/A—uncertain significance
rs90476620519:30,308,318C/G—uncertain significance
rs37263529919:30,311,679C/T—uncertain significance
rs251338951819:30,312,719A/G—uncertain significance
rs137845495919:30,312,984C/T—likely benign
rs18967344319:30,313,000C/T—uncertain significance
rs124947731219:30,313,198A/G—likely benign
rs105655959319:30,313,448A/G—uncertain significance
rs74878999019:30,313,478A/G—uncertain significance
rs321807019:30,313,603C/Gintron variant—
rs76486547019:30,314,649G/A—likely benign
rs725769419:30,314,666C/Tsynonymous variant—
rs92623273219:30,314,667G/A—uncertain significance
rs321807319:30,315,016C/T3 prime UTR variant—
rs140619:30,315,112C/A3 prime UTR variant—

Gene information from NCBI Gene. Variant classifications from ClinVar.