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Recombinant Human BMP-6, Biotinylated Protein

Catalog #: BT507B Datasheet / COA / SDS

Discontinued Product

BT507B has been discontinued.
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Recombinant Human BMP-6, Biotinylated Protein Bioactivity
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Recombinant Human BMP-6, Biotinylated Protein Summary

Product Specifications

Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. In a Streptavidin coated plate (Catalog # CP004), when Biotinylated Recombinant Human BMP‑6 is used at 0.25 μg/mL, it binds Recombinant Human Activin RIA/ALK‑2 Fc Chimera (Catalog # 637-AR) with an ED50 of 0.2-1.2 μg/mL 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 0.02‑0.15 µg/mL
Source
Mouse myeloma cell line, NS0-derived human BMP-6 protein
Gln382-His513
Accession #
P22004
N-terminal Sequence
Analysis
No results obtained. Gln382 expected
Structure / Form
Disulfide-linked homodimer, biotinylated via amines
Predicted Molecular Mass
15 kDa (unlabeled)
SDS-PAGE
18, 23 and 36 kDa, reducing conditions

Product Datasheets

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BT507B (with carrier)

Product Datasheet
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BT507B/CF (carrier free)

Discontinued Product

BT507B

Formulation Lyophilized from a 0.2 μm filtered solution in HCl with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in 4 mM HCl.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Scientific Data

Bioactivity Recombinant Human BMP-6, Biotinylated Protein Bioactivity View Larger

When Biotinylated Recombinant Human BMP-6 (Catalog # BT507B) is used at 0.25 µg/mL, it binds Recombinant Human Activin RIA/ALK-2 Fc Chimera (Catalog # 637-AR) with an ED50 of 0.2-1.2 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: BMP-6

Bone Morphogenetic Protein 6 (BMP-6), also known as Vgr-1, is a member of the BMP subfamily of TGF-beta superfamily proteins. BMPs are involved in a wide range of processes including embryogenesis, tissue morphogenesis, cell differentiation and migration, and tumorigenesis (1). Human BMP-6 is synthesized as a 513 amino acid (aa) precursor protein that is cleaved at the dibasic cleavage site (RxxR) to release the 18 kDa C-terminal mature protein. Biologically active BMP-6 consists of a disulfide-linked homodimer of the mature protein, although it can also form heterodimers with mature BMP-2 (2, 3). Mature human BMP-6 shares 96% and 98% aa sequence identity with mouse and rat BMP-6, respectively. Cellular responses to BMP-6 are mediated by hetero-oligomeric complexes of type I (Activin RIA/ALK-2 and BMPR-IA/ALK-3) and type II (Activin RIIA and BMPR-II) serine/threonine kinase receptors (4, 5). BMP-6 induces the expression of Noggin and is subsequently antagonized by Noggin (6). BMP-6 induces a wide range of cellular responses. It promotes osteoblast differentiation from mesenchymal stem cells (7), chondrocyte maturation (8), Ang II-induced aldosterone production in the adrenal cortex (4), hormone production and responsiveness in ovarian granulosa cells (9), iNOS and TNF-alpha production in macrophages (5), the cell death of B cells (10), and neurite outgrowth (11). BMP-6 expression is induced in astrocytes surrounding sites of brain injury where it functions as a neuroprotectant (11, 12). It enhances tumor progression by promoting local angiogenesis and differentiation of immune tolerizing M2 macrophages (13-15). Through interactions with the BMP coreceptor RGM-C/Hemojuvelin, BMP-6 plays an important role in iron homeostasis by promoting Hepcidin expression and preventing serum iron overload (16). Heterodimers of BMP-2 and BMP-6 show increased potency at inducing osteoblastic calcium deposition, chondrogenesis, and in vivo bone formation compared to either BMP-2 or BMP-6 homodimers (3).

References
  1. Bragdon, B. et al. (2010) Cell Signal. 23:609.
  2. Celeste, A.J. et al. (1990) Proc. Natl. Acad. Sci. USA 87:9843.
  3. Israel, D.I. et al. (1996) Growth Factors 13:291.
  4. Inagaki, K. et al. (2006) Endocrinology 147:2681.
  5. Hong, J.H. et al. (2008) Immunology 128:e442.
  6. Haudenschild, D.R. et al. (2004) Cancer Res. 64:8276.
  7. Lavery, K. et al. (2008) J. Biol. Chem. 283:20948.
  8. Grimsrud, C.D. et al. (1999) J. Bone Miner. Res. 14:475.
  9. Shi, J. et al. (2009) Fertil. Steril. 92:1794.
  10. Kersten, C. et al. (2005) BMC Immunol. 6:9.
  11. Yabe, T. et al. (2002) J. Neurosci. Res. 68:161.
  12. Zhang, Z. et al. (2006) Neuroscience 138:47.
  13. Dai, J. et al. (2005) Cancer Res. 65:8274.
  14. Kwon, S.J. et al. (2014) Prostate 74:121.
  15. Lee, J.-H. et al. (2013) Cancer Res. 73:3604.
  16. Andriopoulos, B. Jr. et al. (2009) Nat. Genet. 41:482.
Long Name
Bone Morphogenetic Protein 6
Entrez Gene IDs
654 (Human); 12161 (Mouse); 25644 (Rat)
Alternate Names
BMP6; BMP-6; bone morphogenetic protein 6; vegetal related growth factor (TGFB-related); vegetal-related (TGFB related) cytokine; VG-1-R; VG-1-related protein; Vg1-related sequence; VGR; VGR1; Vgr-1

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