Human cyclin-dependent kinase 9 (CDK9), also known as C-2K and cell division protein kinase 9, complexed with human cyclin T1 (CCNT1, CycT1), GenBank Accession Nos. NM_001261 (CDK9) and NM_001240 (CyclinT1), a.a. 2- 372(end) (CDK9) and a.a. 2-726(end) (CyclinT1) each with N-terminal GST-tags, co-expressed in a baculovirus-infected Sf9 cell expression system. MW = 69 kDa (CDK9) and 107 kDa (CyclinT1).
Host cell line: Sf9 cells
Specific activity: 26 pmol/min/ug
Immunogen Region
CDK9: 2- 372(end); CyclinT1: 2-726(end)
Tag
N-terminal GST-tag
Formulation
40 mM Tris-HCl, pH 8.0,110 mM NaCl, 2.2 mM KCl, 0.04%Tween-20, 3 mM DTT, 20% glycerol, and1.6 mM glutathione
Species
Human
Application
Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling
Notes
Assay was done in 50 uL assay buffer containing 25 mM Tris, pH 7.4, 5 mM MgCl2 and 100 uM AMP for 15 min at 37°C. Phosphate standard solution was run side-by-side for product quantification.
Avoid freeze/thaw cycles. Storing diluted protein is not recommended. If necessary, use carrier protein (BSA 0.1 - 0.5%).
GenBank
CDK9: NM_001261; CyclinT1: NM_001240
Mw(kda)
CDK9: 69 kDa; CyclinT1: 107 kDa
Synonyms
cyclin-dependent kinase 9, C-2K, cell division protein kinase 9, and CCNT1 , CycT1
Uniprot
CDK9: P50750; CyclinT1: O60563
Shipping Temperature
-80°C (dry ice)
Format
Aqueous buffer solution
Purity
>=60%
Storage
At least 6 months at -80°C.
Reference
1. Yang, Z., et al., Nat. 2001; 414: 317-322.2. Baumli, S., et al., EMBO J. 2008; 27(13): 1907-1918.