Integrin alpha 2/CD49b Antibody (HAS3) [Alexa Fluor® 700]

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Flow
Clone
HAS3
Clonality
Monoclonal
Host
Mouse
Conjugate
Alexa Fluor 700
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.

Integrin alpha 2/CD49b Antibody (HAS3) [Alexa Fluor® 700] Summary

Additional Information
Clone HAS3 was used by HLDA to establish CD designation
Immunogen
Human keratinocytes
Specificity
Detects human Integrin alpha 2/CD49b.
Isotype
IgG2a
Clonality
Monoclonal
Host
Mouse
Gene
ITGA2
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Flow Cytometry 0.25-1 ug/10^6 cells
Application Notes
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.

Packaging, Storage & Formulations

Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Buffer
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Preservative
0.09% Sodium Azide
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Integrin alpha 2/CD49b Antibody (HAS3) [Alexa Fluor® 700]

  • alpha-2 subunit
  • CD49b antigen
  • CD49b
  • Integrin alpha 2
  • integrin, alpha 2 (CD49B, alpha 2 subunit of VLA-2 receptor)
  • ITGA2
  • VLA 2
  • VLA-2 alpha

Background

Integrin alpha 2 is one of twelve integrin family alpha subunits that share the beta 1 subunit (1‑3). Integrin alpha 2 beta 1 is the non-covalent heterodimer of 160 kDa alpha 2 (CD49b) and 130 kDa beta 1 (CD29) type I transmembrane glycoprotein subunits and is one of six very late antigens on activated T cells, designated VLA2 (3). The alpha 2 extracellular domain (ECD) contains an I (inserted) domain which includes the ligand binding site (2, 3). The beta 1 ECD contains a vWFA domain, which participates in binding. Each subunit then has a transmembrane sequence and a short cytoplasmic tail. The dimer is folded when it is least active. Divalent cations and intracellular (inside-out) signaling convert it to its most active, extended and open conformation (1, 2). The 1102 amino acid (aa) human alpha 2 extracellular domain (ECD) shares 83‑89% aa sequence identity with mouse, rat, canine, bovine and equine alpha 2. The I domain-containing beta 1 integrins ( alpha 1 beta 1, alpha 2 beta 1, alpha 10 beta 1 and alpha 11 beta 1) all bind collagens, with alpha 2 beta 1 preferring collagens I‑III (4, 5). Platelet alpha 2 beta 1, also called GPIa, cooperates with another adhesion protein, GPVI, to coordinate platelet collagen binding and activation (3, 6, 7). Other alpha 2 beta 1 ligands include laminin, decorin, E-cadherin, and collagen-like regions of collectin molecules such as C1q (4). Adhesion is synergized by crosstalk with syndecan-1 or HGF R/c-Met, and antagonized by crosstalk with Integrin alpha 1 beta 1 (8‑10). In addition to expression on selected hematopoietic cells, alpha 2 beta 1 is present on a wide variety of non-hematopoietic cells (4). Mice deficient in the alpha 2 subunit have defects in innate immune responses, wound mast cell infiltration and angiogenesis, and platelet responses to collagen (6, 11, 12). In innate immunity, alpha 2 beta 1 binding to C1q initiates the complement cascade and costimulates mast cell activation, triggering neutrophil influx (4, 12).
  1. Takada, Y. et al. (2007) Genome Biol. 8:215.
  2. Luo, B-H. et al. (2007) Annu. Rev. Immunol. 25:619.
  3. Takada, Y. and M.E. Hemler (1989) J. Cell Biol. 109:397.
  4. Zutter, M.M. and B.T Edelson (2007) Immunobiology 212:343.
  5. McCall-Culbreath, K.D. and M.M. Zutter (2008) Curr. Drug Targets 9:139.
  6. Sarratt, K.L. et al. (2005) Blood 106:1268.
  7. Lecut, C. et al. (2005) Thromb. Haemost. 94:107.
  8. Vuoriluoto, K. et al. (2008) Exp. Cell Res. 314:3369.
  9. McCall-Culbreath, K.D. et al. (2008) Blood 111:3562.
  10. Abair, T.D. et al. (2008) Exp. Cell Res. 314:3593.
  11. Zweers, M. et al. (2006) J. Invest. Dermatol. 127:467.
  12. Edelson, B.T. et al. 2006) Blood 107:143.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Bioinformatics

Gene Symbol ITGA2
Entrez