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Description :Recombinant full-length human CyclinE1 was expressed by baculovirus in Sf9 insect cells using an N-terminal GST tag.
Tag :GST tag
Expression System:Sf9 insect cells using baculovirus
Sequence :Full Length
Genbank Number :NM_001238
Purity :Sample Purity Data. For specific information on a given lot, see related technical data sheet.
Storage, Stability and Shipping :Store product at –70oC. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.
Applications :Kinase Assay, Western Blot
Molecular Weight :~73kDa
Gene Aliases :CCNE1, CCNE
Scientific Background :Cyclin E1 belongs to the highly conserved cyclin family, whose members are characterized by a dramatic periodicity in protein abundance through the cell cycle that functions as regulators of CDK kinases. Cyclin E1 activity is required for centrosome duplication during S phase and this mechanism could coordinate centrosome reproduction with cycles of DNA synthesis and mitosis (1). The downregulation of cyclin E-CDK2 kinase activity following the G1/S-phase transition that is necessary for the maintenance of karyotypic stability. Cyclin E also has a modular centrosomal-targeting domain which is essential for promoting S phase entry in a Cdk2-independent manner (2).
1. Hinchcliffe, E. H. et.al: Requirement of Cdk2-cyclin E activity for repeated centrosome reproduction in Xenopus egg extracts. Science 283: 851-854, 1999.
2. Matsumoto, Y.et.al: A centrosomal localization signal in cyclin E required for Cdk2-independent S phase entry. Science 306: 885-888, 2004.
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Research Areas :Cancer, Cell Cycle, Cancer, Cell Cycle