Recombinant Mouse CMG-2/ANTXR2 Fc Chimera Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 10418-AR

R&D Systems, part of Bio-Techne
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10418-AR-050
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Key Product Details

Source

NS0

Accession #

Q6DFX2.1

Structure / Form

Disulfide-linked homodimer

Conjugate

Unconjugated

Applications

Bioactivity

View all CMG-2/ANTXR2 Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived mouse CMG-2/ANTXR2 protein
Mouse CMG-2/ANTXR2
(Gln32-Gly318)
Accession # Q6DFX2.1		 IEGRMDP Mouse IgG2A
(Glu98-Lys330)
N-terminus C-terminus

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.

N-terminal Sequence Analysis

No results obtained. Gln32 inferred from enzymatic pyroglutamate treatment revealing Ala33.

Predicted Molecular Mass

58 kDa

SDS-PAGE

55-70 kDa, under reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
When Anthrax Protective Antigen is immobilized at 1.5 μg/mL (100 μL/well), it binds Recombinant Mouse CMG‑2/ANTXR2 Fc Chimera (Catalog # 10418-AR) with an ED50 of 1-5 ng/mL.

Scientific Data Images for Recombinant Mouse CMG-2/ANTXR2 Fc Chimera Protein, CF

Recombinant Mouse CMG-2/ANTXR2 Fc Chimera Protein Binding Activity

Recombinant Mouse CMG-2/ANTXR2 Fc Chimera Protein Binding Activity

When Anthrax Protective Antigen is immobilized at 1.5 μg/mL (100 μL/well), Recombinant Mouse CMG-2/ANTXR2 Fc Chimera (Catalog # 10418-AR) binds with an ED50 of 1-5 ng/mL.
Recombinant Mouse CMG-2/ANTXR2 Fc Chimera Protein SDS-PAGE

Recombinant Mouse CMG-2/ANTXR2 Fc Chimera Protein SDS-PAGE

2 μg/lane of Recombinant Mouse CMG-2/ANTXR2 Fc Chimera (Catalog # 10418-AR) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands 55-70 kDa and 110-140 kDa, respectively.

Formulation, Preparation and Storage

10418-AR
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 500 μg/mL in 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: CMG-2/ANTXR2

Capillary Morphogenesis Gene-2 (CMG-2), also known as ANTXR2, is a widely expressed anthrax toxin receptor (ATR) family protein (1‑3). Mature, full-length CMG-2/ANTXR2 is a type I transmembrane protein containing a von Willebrand A (vWA) domain in the extracellular domain (ECD) (1-5). In addition to the full-length protein, 3 additional isoforms exist: Isoform 2 shows a 103 amino acid (aa) deletion in the ECD; isoform 3 is a truncated, 289 aa soluble form; and isoforms 4 shows a 12 aa insertion in the cytoplasmic region (6). The ECD of mature, full-length mouse CMG-2/ANTXR2 shares 84% and 89% aa sequence identity with human and rat CMG-2/ANTXR2, respectively. The vWA domain in the ECD of CMG-2/ANTXR2 adheres selectively to collagen type IV and laminin (1-5). CMG-2/ANTXR2 isoform 2 is induced in HUVEC as they undergo capillary formation in collagen matrices in vitro (3). CMG-2/ANTXR2 is mutated in juvenile hyaline fibromatosis and infantile systemic hyalinosis disorders, and several of these mutations result in loss of laminin binding (7). CMG-2/ANTXR2 and the related protein ATR/TEM8 serve as receptors for the protective antigen (PA) of Bacillus Anthracis (1, 2). After binding the VWA domain, PA undergoes furin-type cleavage, forms a heptameric receptor/PA pre-pore and binds LF or EF toxin subunits (5, 8, 9). Transport to low pH endosomes, which requires CMG-2/ANTXR2 ubiquitination and interaction with the LDL receptor related protein LRP6 (10, 11), allows PA pore formation and release of toxin to the cytoplasm (11, 12). Soluble CMG-2/ANTXR2 VWA domain acts as a dummy receptor that can protect cultured cells from anthrax intoxication (2). CMG-2/ANTXR2 has been shown to interact with LRP6 and activate Wnt/ beta-catenin pathway in gastric cancer, which leads to maintenance of stem-like cells in GC (13).

References

  1. Scobie, H.M. and J.A.T. Young (2005) Curr. Opin. Microbiol. 8:106.
  2. Scobie, H.M. et al. (2003) Proc. Natl. Acad. Sci. USA 100:5170.
  3. Bell, S.E. et al. (2001) J. Cell Sci. 114:2755.
  4. Lacy, D.B. et al. (2004) Proc. Natl. Acad. Sci. USA 101:6367.
  5. Santelli, E. et al. (2004) Nature 430:905.
  6. Cryan, L. et al. (2011) Front Biosci. 16:1574.
  7. Dowling, O. et al. (2003) Am. J. Hum. Genet. 73:957.
  8. Wigelsworth, D.J. et al. (2004) J. Biol. Chem. 279:23349.
  9. Go, M.Y. et al. (2006) J. Mol. Biol. 360:145.
  10. Abrami, L. et al. (2006) J. Cell Biol. 172:309.
  11. Wei, W. et al. (2006) Cell 124:1141.
  12. Lacy, D.B. et al. (2004) Proc. Natl. Acad. Sci. USA 101:13147.

Long Name

Capillary Morphogenesis Protein 2

Alternate Names

ANTXR2, cI-35, CMG2, ISH, JHS

Entrez Gene IDs

118429 (Human); 71914 (Mouse)

Gene Symbol

ANTXR2

UniProt

Q6DFX2.1

Additional CMG-2/ANTXR2 Products

Product Documents for Recombinant Mouse CMG-2/ANTXR2 Fc Chimera Protein, CF

Product Datasheets

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Product Specific Notices for Recombinant Mouse CMG-2/ANTXR2 Fc Chimera Protein, CF

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