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Description :Recombinant full-length human p21CIP1 was expressed in E. coli cells using a N-terminal GST tag.
Tag :GST tag
Sequence :Full Length
Genbank Number :NM_000389
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 :~46 kDa
Gene Aliases :CDKN1A, P21, SDI1, WAF1, CAP20, CDKN1, MDA-6
Scientific Background :CIP 1 (Cyclin-Dependent Kinase Inhibitor 1A) regulates cell cycle progression, terminal differentiation, and apoptosis (1). CIP1 was shown to be induced by p53 and to be a potent inhibitor of cyclin-dependent kinase (CDK) activity. DNA damage leads to increased expression of CIP1 in cyclin E-containing complexes and to an associated decrease in cyclin-dependent kinase activity. CIP1 is a critical downstream effector in the p53-specific pathway of growth control in mammalian cells (2).
1. el-Deiry, W S. et al: WAF1/CIP1 is induced in p53-mediated G1 arrest and apoptosis. Cancer Res. 1994;54(5):1169-74
2. Wagner, M. et al: Cyclin-dependent kinase-inhibitor 1 (CDKN1A) in the squamous epithelium of the oropharynx: possible implications of molecular biology and compartmentation. Anticancer Res. 2001; 21(1A):333-45.
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Research Areas :Cancer, Cell Cycle, Cancer, Cell Cycle