Creatine kinase B-type, EC 184.108.40.206, Creatine kinase B chain, B-CK, CKB, CKBB, CKBBI.
Creatine Kinase BB is a cytoplasmic enzyme involved in energy homeostasis. The encoded protein reversibly catalyzes the transfer of phosphate between ATP and various phosphogens such as creatine phosphate. It acts as a homodimer in brain as well as in other tissues, and as a heterodimer with a similar muscle isozyme in heart. The encoded protein is a member of the ATP:guanido phosphotransferase protein family. A pseudogene of this gene has been characterized.
CKBB Human Recombinant produced in Pichia Pastoris is a dimeric glycosylated full length polypeptide chain comprised of 2 identical B subunits and having an identical amino acid sequence compared to the native enzyme, purified under non-denaturing conditions and having a Mw of 47kDa
The CKBB is purified by proprietary chromatographic techniques.
Sterile Filtered colourless liquid formulation.
CKBB Human contains 10Mm Bis-Tris-HCl pH-6.0, 50% glycerol, 0.5mM EDTA and 0.5mM DTT.
CKBB should be stored below -18°C.
Please prevent freeze-thaw cycles.
Greater than 95.0% as determined by(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.
The biological activity measured by the enzymatic activity of Creatine phosphokinase procedure No.45-UV, 1IU-1 µmole creatine phosphate was 854 IU/mg at 37 degrees celsius corresponding to a Specific Activity of 1,171ng/ml.
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