Description
Product Characteristics:
Cell cycle progression is regulated by cyclins and their cognate Cdks. p27 KIP 1 is a cell cycle regulatory mitotic inhibitor of cdk activity. p27 KIP 1 is a candidate tumor suppressor gene, and has been proposed to function as a possible mediator of TGF beta induced G1 arrest. p27 KIP 1 is up regulated in response to antimitogenic stimuli. The increased protein expression of p27 results in cellular arrest by binding to cyclin/Cdk complexes such as cyclin D1/Cdk4. p27 Kip1 is regulated by phosphorylation on serine 10 (S10) and threonine 187 (T187). Phosphorylation by CDK2 on T187 results in ubiquitylation and degradation of p27 Kip 1, while phosphorylation by hKIS on S10 signals the nuclear export to the cytoplasm.
Subcellular location: Cytoplasm, Nucleus
Synonyms: p27Kip1Thr157, p-p27Kip1Thr157, p-p27Kip1T157, CDN1B_HUMAN, AA408329, AI843786, Cdki1b, CDKN 1B, CDKN 4, CDKN1B, CDKN1B, CDKN4, CDKN4, Cyclin Dependent Kinase Inhibitor 1B, Cyclin Dependent Kinase Inhibitor 1B, Cyclin dependent kinase inhibitor p27, Cyclin dependent kinase inhibitor p27, Cyclin-dependent kinase inhibitor 1B p27, Kip1, Cyclin-dependent kinase inhibitor 1B, Cyclin-dependent kinase inhibitor p27, Cyclin-dependent kinase inhibitor p27 Kip1, KIP 1, KIP1, MEN1B, MEN4, OTTHUMP00000195098, OTTHUMP00000195099, p27, p27 Kip1, P27-like cyclin-dependent kinase inhibitor, P27KIP1.
Target Information: Important regulator of cell cycle progression. Involved in G1 arrest. Potent inhibitor of cyclin E- and cyclin A-CDK2 complexes. Forms a complex with cyclin type D-CDK4 complexes and is involved in the assembly, stability, and modulation of CCND1- CDK4 complex activation. Acts either as an inhibitor or an activator of cyclin type D-CDK4 complexes depending on its phosphorylation state and/or stoichometry (By similarity)