BMP-14 is expressed in long bones during embryonic development and postnatally in articular cartilage. Mutations in the BMP-14 gene have been implicated in Grebe Syndrome, which is characterized by short stature, extra digits, short and deformed extremities, and in Hunter- Thompson type dwarfism. The mature and functional form of BMP-14 is a homodimer of two 120 amino-acid polypeptide chain (monomers) linked by a single disulfide bond. Each BMP-14 monomer is expressed as the C-terminal part of a precursor polypeptide, which also contains a 27 amino-acid signal peptide and a 354 amino-acid propeptide. This precursor undergoes intracellular dimerization, and upon secretion it is processed by a furin-type protease. Recombinant human BMP-14 is a 27.0 kDa homodimeric disulfide-linked protein consisting of two 120 amino acids.
Human GDF5 expressed in E.coli
CAT# CSC-CTK0546-50 (50 μg); CAT# CSC-CTK0546-250 (250 μg)
Greater than 98% as determined by SDS-PAGE and HPLC analysis.
The ED50 was determined by its ability to induce alkaline phosphatase production by ATDC-5 chondrogenic cells is 1.0-2.0 μg/ml.
Less than 1 EU/μg.
Lyophilized from a sterile-filtered solution with no additives.
Please centrifuge product before opening vial. The lyophilized protein should be reconstituted with distilled, sterile water to a concentration of 0.1-1.0 mg/ml. For further dilution, carrier protein (0.1% BSA or HSA) should be added to avoid loss of bioactivity.
Storage & Stability
The lyophilized protein, though stable at room temperature for up to 3 weeks, is best stored desiccated at -20°C. Reconstituted protein should be used immediately or stored long-term in undiluted working aliquots at -20°C. For long-term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze-thaw cycles.
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