Reactivity | MuSpecies Glossary |
Applications | Bioactivity |
Details of Functionality | Measured by its ability to induce alkaline phosphatase production by ATDC5 mouse chondrogenic cells. Nakamura, K. et al. (1999) Exp. Cell Res. 250:351. The ED50 for this effect is 0.25-1.25 µg/mL. |
Source | E. coli-derived mouse GDF-7/BMP-12 protein Thr308-Arg453 |
Accession # | |
N-terminal Sequence | Thr308 |
Structure / Form | Disulfide-linked homodimer |
Protein/Peptide Type | Recombinant Proteins |
Gene | Gdf7 |
Purity | >95%, by SDS-PAGE under reducing conditions and visualized by silver stain |
Endotoxin Note | <0.10 EU per 1 μg of the protein by the LAL method. |
Dilutions |
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Theoretical MW | 15 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
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SDS-PAGE | 28 kDa, reducing conditions |
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Publications |
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Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Buffer | Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein. |
Purity | >95%, by SDS-PAGE under reducing conditions and visualized by silver stain |
Reconstitution Instructions | Reconstitute at 100 μg/mL in sterile 4 mM HCL containing at least 0.1% human or bovine serum albumin. |
Growth Differentiation Factor 7 (GDF-7), also known as bone morphogenetic protein (BMP) 12 or cartilage derived morphogenetic protein 3 (CDMP-3), is a member of the bone morphogenetic protein (BMP) family which belongs to the transforming growth factor beta (TGF-beta ) superfamily. Mature GDF-7 contains 146 aa residues with the characteristic seven conserved cysteine residues. The bioactive GDF-7 is a homodimer with an apparent molecular weight of approximately 28 kDa. Mature GDF-5, GDF-6 and GDF-7, which share 80 - 86% identity with each other, define a new subgroup within the BMP family. Like other TGF-beta superfamily proteins, GDF-7 is highly conserved across species. At the amino acid sequence level, mature human and mouse GDF-7 are 98% identical. It has been reported that GDF-7 has multiple functions including regulation of chondrogenesis, bone morphogenesis, and neuron differentiation. GDF-7 response is mediated by the formation of hetero-oligomeric complexes of type I (BMPR-IB) and type II (BMPR-II or Activin R-II) sereine/threonine kinase receptors, and the activiation of Smad proteins.
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