Recombinant Human BMPR-IA/ALK-3 Fc Chimera Protein

R&D Systems, part of Bio-Techne | Catalog # 315-BR

R&D Systems, part of Bio-Techne
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Carrier Free
315-BR-100/CF
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With Carrier
315-BR-100
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Key Product Details

Source

NS0

Accession #

CAA80257

Structure / Form

Disulfide-linked homodimer

Conjugate

Unconjugated

Applications

Bioactivity

View all BMPR-IA/ALK-3 Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived human BMPR-IA/ALK-3 protein
Human BMPR-IA
(Gln24 - Arg152)
Accession # CAA80257		 IEGRMD Human IgG1
(Pro100 - Lys330)		 6-His tag
N-terminus C-terminus

Purity

>90%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

No results obtained: Gln24 predicted

Predicted Molecular Mass

41.5 kDa (monomer)

SDS-PAGE

55 kDa, reducing conditions

Activity

Measured by its ability to inhibit rhBMP-4-induced alkaline phosphatase production by ATDC5 mouse chondrogenic cells. Nakamura, K. et al. (1999) Exp. Cell Res. 250:351.
The ED50 for this effect is 0.1-0.3 µg/mL in the presence of 30 ng/mL of recombinant human BMP-4.

Formulation, Preparation and Storage

Carrier Free
What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

Carrier: 315-BR
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
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.
Carrier Free: 315-BR/CF
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
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.

Background: BMPR-IA/ALK-3

Bone Morphogenetic Protein Receptor IA (BMPR-IA), also known as ALK-3, BRK-1, and CD292, is a glycosylated 60 - 65 kDa type I receptor in the TGF‑ beta serine/threonine kinase receptor family (1 ‑ 3). Binding of TGF-beta superfamily ligands induces formation of a heterotetrameric complex that contains two chains each of a type I and a type II receptor in multiple combinations. The type II receptors phosphorylate the type I receptors which then phosphorylate and activate Smad signal transduction proteins (1, 2). Mature human BMPR-IA consisits of a 129 amino acid (aa) extracellular domain (ECD), a 24 aa transmembrane segment, and a 356 aa cytoplasmic region that contains the tyrosine kinase domain (4). Within the ECD, human BMPR-IA shares 98% and 97% aa sequence identity with mouse and rat BMPR-IA, respectively. BMPR-IA is involved in the development and function of a wide range of tissues. During early embryogenesis it is required for migration of the anterior visceral endoderm (AVE) and proper development of the anterior-posterior axis (5). Tissue-specific conditional knockout experiments have demonstrated the importance of BMPR-IA in the development and morphogenesis of the heart, lung, palate, teeth, and mandible (6 - 8). In the adult, BMPR-IA plays a role in glucose-stimulated insulin secretion by pancreatic beta cells, osteoclast activity and bone remodeling, reactive astrocyte-mediated scar formation following spinal cord injury, and ovulation and fertility (9 - 12).

References

  1. Wu, M.Y. and C.S. Hill (2009) Dev. Cell 16:329.
  2. Nickel, J. et al. (2009) Cytokine Growth Factor Rev. 20:367.
  3. de Caestecker, M. (2004) Cytokine Growth Factor Rev. 15:1.
  4. ten Dijke, P. et al. (1993) Oncogene 8:2879.
  5. Miura, S. et al. (2010) Dev. Biol. 341:246.
  6. Gaussin, V. et al. (2002) Proc. Natl. Acad. Sci. 99:2878.
  7. Sun, J. et al. (2008) Am. J. Pathol. 172:571.
  8. Li, L. et al. (2011) Dev. Biol. 349:451.
  9. Goulley, J. et al. (2007) Cell Metab. 5:207.
  10. Kamiya, N. et al. (2008) J. Bone Miner. Res. 23:2007.
  11. Sahni, V. et al. (2010) J. Neurosci. 30:1839.
  12. Edson, M.A. et al. (2010) Mol. Endocrinol. 24:1251.

Long Name

Bone Morphogenetic Protein Receptor IA/Activin Receptor-like Kinase 3

Alternate Names

ALK-3, BMPR1A, BMPRIA, CD292

Entrez Gene IDs

657 (Human); 12166 (Mouse)

Gene Symbol

BMPR1A

UniProt

CAA80257

Additional BMPR-IA/ALK-3 Products

Product Documents for Recombinant Human BMPR-IA/ALK-3 Fc Chimera Protein

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Download SDS 315-BR (with carrier)
Download SDS 315-BR/CF (carrier free)

Product Specific Notices for Recombinant Human BMPR-IA/ALK-3 Fc Chimera Protein

For research use only

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