Catalogue number
PKA-211
Synonyms
Casein Kinase 2 Holoenzyme, CK2h.
Description
Human recombinant casein kinase 2 holo enzyme containing alpha and beta subunits which were separately expressed in E. coli as non-fusion proteins and purified using several chromatographic steps. The holo enzyme has been reconstituted in the course of the purification and is highly active suitable for labelling CK2 substrates. CK2 holoenzyme is a non-glycosilated polypeptide having a molecular mass of 140 kDa.
Source
Escherichia Coli.
Physical Appearance
Sterile Filtered clear solution.
Formulation
CK2 Holoenzyme is supplied 0.5mg/1ml in 25mM Tris-HCl, 500mM NaCl, 1mM DTT, 500 µM PMSF, 5% glycerol, pH 8.5.
Unit Definition
No protease activity detectable, specific activity > 1.3U/mg
(1U = 1µmol/min at 37 degree C) using the synthetic peptide RRRDDDSDDD.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks.
Store, frozen at -20°C for longer periods of time.
Avoid multiple freeze-thaw cycles.
Purity
Greater than 95% as determined by SDS-PAGE.
Safety Data Sheet
Usage
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
