>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
<1.0 EU per 1 μg of the protein by the LAL method.
70.5 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.
Fluorescent Plate Reader (Model: SpectraMax Gemini EM by Molecular Devices) or equivalent
Dilute rhBMP-1 to 20 ng/µL in Assay Buffer.
Dilute substrate to 20 µM in Assay Buffer.
Load into a black well plate 50 µL of 20 ng/µL rhBMP-1 and start the reaction by adding 50 µL of 20 µM Substrate. Include a Substrate Blank containing Assay Buffer in place of rhBMP-1.
Read at excitation and emission wavelengths of 320 nm and 405 nm (top read), respectively, in kinetic mode for 5 minutes.
Calculate specific activity:
Specific Activity (pmol/min/µg) =
Adjusted Vmax* (RFU/min) x Conversion Factor** (pmol/RFU)
amount of enzyme (µg)
*Adjusted for Substrate Blank **Derived using calibration standard MCA-Pro-Leu-OH (Bachem, Catalog # M-1975).
rhBMP-1: 1 µg
Substrate: 10 µM
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Human BMP-1/PCP Protein, CF
bone morphogenetic protein 1
Mammalian tolloid protein
Bone morphogenetic protein 1 (BMP‑1), also known as procollagen C‑proteinase (PCP), is a zinc protease of the astacin family (1, 2). BMP‑1/PCP plays a key role in formation of extracellular matrix (ECM) by converting precursor proteins into their mature and functional forms. The precursor proteins identified as substrates for BMP‑1/PCP include collagens, biglycan, laminin 5, dentin matrix protein‑1, and lysyl oxidase (3). There are six alternatively spliced forms known to be derived from the BMP‑1 gene, and isoform 1 consisting of residues 1 to 730 was expressed. The secreted and purified protein does not contain the signal peptide (amino acid residues 1‑22) and pro domain (residues 23‑120), but contain protease (residues 121‑321), CUB I (residues 322‑434), CUB II (residues 435‑546), EGF‑like (residues 547‑588) and CUB III (residues 591‑703) domains. The pro domain is apparently cleaved by a furin‑like proprotein convertase (4). The purified BMP‑1/PCP is an active protease and its peptidase activity can be determined as described above. The purified BMP‑1/PCP is predicted to possess procollagen C‑proteinase activity because it contains the minimal domain structure required (5).
Wozney, J.M. et al. (1988) Science 242:1528.
Bond, J.S. and R.J. Beynon (1995) Protein Sci. 4:1247.
Steiglitz, B.M. et al. (2004) J. Biol. Chem. 279:980.
Leighton, M. and K.E. Kadler (2003) J. Biol. Chem. 278:18478.
Hartigan, N. et al. (2003) J. Biol. Chem. 278:18045.
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PRODUCT AVAILABILITY: Update Regarding the Evolving COVID-19 Situation
Bio-Techne appreciates the critical role that you and our products and services play in research efforts to further scientific innovation and discovery. We are continually assessing our manufacturing and supplier capabilities during the COVID-19 situation and are implementing precautionary measures to ensure uninterrupted supply of products and services. Currently, and as we abide by local shelter in place orders across the world, we are fully operational and do not anticipate any material supply disruptions across our Bio-Techne brands and product lines. As the situation evolves, our goal is to utilize preventive measures to reduce the threat that COVID-19 poses to our ability to meet the needs of our customers globally.