Human BMP-7 / OP-1 (glycosylated, CHO) recombinant Protein
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Osteogenic Protein 1, BMP-7.
Description of Human BMP-7 / OP-1 (glycosylated, CHO)
N-TERMINAL---Human BMP-2 (Met 1 – Arg 282) Human BMP-7 (Ser 293 – Arg 431)---C-TERMINAL. The DNA sequence encoding the human BMP-2 signal peptide and propeptide (1~282 amino acid) fused to the human rhBMP-7 mature chain (293~431 amino acid) was expressed in a Chinese hamster ovary cell line. The mature recombinant BMP-7 generated by the proteolytic removal of the signal peptide and propetide contains 139 amino acid residues. The glycosylation of BMP-7 increases the molecular mass and the glycosylated proteins migrate as 25 ~ 40kDa in SDS-PAGE under non-reducing conditions. BMP-7 is purified by proprietary chromatographic techniques.
Measured in alkaline phosphatase activity assay using MC3T3-E1 cells. The ED50 for this effect is < 70ng/ml, corresponding to a Specific Activity of 14,286IU/mg.
It is recommended to reconstitute the lyophilized Bone Morphogenetic Protein-7 in 0.5mg/1ml sterile/ endotoxin free water.
Lyophilized BMP-7 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution BMP 7 Human should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please avoid repeated freeze-thaw cycles.
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