Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry

Label

Allophycocyanin (Excitation = 620-650 nm, Emission = 660-670 nm)

Antibody Source

Polyclonal Goat IgG
View all CMG-2/ANTXR2 Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human CMG‑2/ANTXR2 isoform 1
Gln34-Asn317
Accession # P58335

Specificity

Detects human CMG‑2/ANTXR2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 20% cross-reactivity with recombinant mouse CMG-2 is observed.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Human CMG‑2/ANTXR2 APC‑conjugated Antibody

Detection of CMG-2/ANTXR2 antibody in Human Whole Blood Monocytes antibody by Flow Cytometry.

Detection of CMG‑2/ANTXR2 in Human Whole Blood Monocytes by Flow Cytometry.

Human whole blood monocytes were stained with Goat Anti-Human CMG-2/ANTXR2 APC-conjugated Antigen Affinity-purified Polyclonal Antibody (Catalog # FAB2940A, filled histogram) or isotype control antibody (Catalog # IC108A, open histogram). View our protocol for Staining Membrane-associated Proteins.

Applications for Human CMG‑2/ANTXR2 APC‑conjugated Antibody

Application
Recommended Usage

Flow Cytometry

10 µL/106 cells
Sample: Human whole blood monocytes

Spectra Viewer

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Formulation

Supplied in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store the unopened product at 2 - 8° C. Do not use past expiration date. Protect from light.

Background: CMG-2/ANTXR2

Capillary Morphogenesis Gene-2 (CMG-2) is a widely expressed Anthrax Toxin Receptor (ATR) family protein (1‑3). CMG-2 is a 55 kDa type I transmembrane (TM) protein that contains a 33 amino acid (aa) signal sequence, a 284 aa extracellular domain (ECD), a 24 aa TM segment, and a 147 aa cytoplasmic domain. There are three additional isoforms. Isoform 4 shows a 12 aa insertion in the cytoplasmic region, isoform 2 shows a 103 aa deletion in the ECD, and isoform 3 is a truncated, 20 kDa, 289 aa soluble form. The main functional domain of CMG-2 is an extracellular integrin-like von Willebrand factor type A (VWA) domain with a metal ion dependent adhesion site (MIDAS). This domain adheres selectively to collagen type IV and laminin (1‑5). CMG-2 isoform 2 is induced in HUVEC as they undergo capillary formation in collagen matrices in vitro (3). CMG-2 is mutated in juvenile hyaline fibromatosis and infantile systemic hyalinosis disorders, and several of these mutations result in loss of laminin binding (6). CMG-2 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, 7, 8). Transport to low pH endosomes, which requires CMG-2 ubiquitination and interaction with the LDL receptor related protein LRP6 (9, 10), allows PA pore formation and release of toxin to the cytoplasm (10, 11). Soluble CMG-2 VWA domain acts as a dummy receptor that can protect cultured cells from anthrax intoxication (2). Within the extracellular region, human CMG-2 shares 84%, 81%,89% and 93% amino acid sequence identity with mouse, rat, bovine, and canine CMG-2, respectively. CMG-2 VWA domain also shares 60% aa sequence identity with ATR/TEM8.

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. Dowling, O. et al. (2003) Am. J. Hum. Genet. 73:957.
  7. Wigelsworth, D.J. et al. (2004) J. Biol. Chem. 279:23349.
  8. Go, M.Y. et al. (2006) J. Mol. Biol. 360:145.
  9. Abrami, L. et al. (2006) J. Cell Biol. 172:309.
  10. Wei, W. et al. (2006) Cell 124:1141.
  11. 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

P58335

Additional CMG-2/ANTXR2 Products

Product Documents for Human CMG‑2/ANTXR2 APC‑conjugated Antibody

Certificate of Analysis

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Product Specific Notices for Human CMG‑2/ANTXR2 APC‑conjugated Antibody

For research use only

Related Research Areas

Infectious Diseases

Citations for Human CMG‑2/ANTXR2 APC‑conjugated Antibody

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