Recombinant full-length human CDK9 and CyclinK were co-expressed by baculovirus in Sf9 insect cells using an N-terminal GST tag on both proteins.
Catalog No. C40-10G
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CDK9/CyclinK is a member of the cyclin-dependent protein kinase (CDK) family. CDK9 is closely related to cdc28 and cdc2 and is an important regulator of the cell cycle (1). CDK9 is a component of the multiprotein complex TAK/P-TEFβ. CDK9 can modulate RNA polymerase II-directed transcription by phosphorylating the C-terminal domain of the largest subunit of RNA polymerase II. CDK9 forms a complex with and is regulated by its regulatory subunit cyclin T or cyclin K. CDK9 also interacts with the HIV-1 Tat protein which suggested a possible involvement of this protein in AIDS (2).
CDC2L4, C-2k, TAK, PITALRE; CCNK, CPR4, MGC9113
1. Yang, Z. et al: The 7SK small nuclear RNA inhibits the CDK9/cyclin T1 kinase to control transcription. Nature, 2001; 414: 317-322.
2. Bullrich, F. et al: Chromosomal mapping of members of the cdc2 family of protein kinases, cdk3, cdk6, PISSLRE, and PITALRE, and a cdk inhibitor, p27-Kip1, to regions involved in human cancer. Cancer Res. 1995; 55: 1199-1205.
Sample Kinase Activity Plot. For specific information on a given lot, see related technical data sheet.
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.
~68 kDa and CyclinK~67 kDa
M Kanke et al., Cohesin acetylation and Wapl-Pds5 oppositely regulate translocation of cohesin along DNA. EMBO Journal November 2016 10.15252/embj.201695756
J Cairns et al., Bora Downregulation Results in Radioresistance by Promoting Repair of Double Strand Breaks PLoS One March 2015 10.1371/journal.pone.0119208
Cancer, Cell Cycle, Ser/Thr Kinases