Recombinant Human Axl Fc Chimera Protein, CF

R&D Systems | Catalog # 154-AL

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Key Product Details

  • R&D Systems NS0-derived Recombinant Human Axl Fc Chimera Protein (154-AL)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

NS0

Accession Number

AAA61243

Structure / Form

Disulfide-linked homodimer

Applications

Binding Activity
View all Axl Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived human Axl protein
Human Axl
(Glu33-Pro440)
Accession # AAA61243		 DIEGRMD 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

<0.1 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Glu33

Predicted Molecular Mass

71.7 kDa (monomer)

SDS-PAGE

100-110 kDa, reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
When Recombinant Human Axl Fc Chimera is immobilized at 2 µg/mL (100 µL/well), the concentration of Recombinant Human Gas6 (Catalog # 885-GS) that produces 50% of the optimal binding response is approximately 2.5‑15 ng/mL.

Reviewed Applications

Read 1 review rated 4 using 154-AL in the following applications:

Formulation, Preparation, and Storage

154-AL
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.

Calculators

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: Axl

Axl, also known as Ufo and Ark, is a widely expressed 140 kDa glycoprotein in the TAM receptor tyrosine kinase family. TAM family receptors (Dtk/Tyro3, Axl, and Mer) are involved in regulation of the inflammatory response, cell survival and migration, and tumorigenesis (1). Mature human Axl consists of a 426 aa extracellular domain (ECD) that contains two Ig-like domains and two fibronectin type III domains, a 21 aa transmembrane segment, and a 422 aa cytoplasmic domain that includes the tyrosine kinase domain (2). Within the ECD, human Axl shares approximately 82% aa sequence identity with mouse and rat Axl. A short alternately spliced form of human Axl has a 9 aa deletion in the extracellular juxtamembrane region (2). Axl binds the vitamin K-dependent protein Gas6 which triggers tyrosine autophosphorylation of the Axl cytoplasmic domain (3). Activation of Axl induces a broad range of activities including platelet aggregation and thrombus formation (4), macrophage and dendritic cell phagocytosis of apoptotic cells (5), NK cell development from hematopoietic progenitor cells (6), and in vivo angiogenesis (7). Axl is highly expressed in solid cancers and promotes in vivo tumorigenesis and tumor cell invasiveness (7, 8). It contributes to vascular remodeling and inflammatory cell infiltration in response to hypertension and restricted blood flow (9). It also functions as a cellular entry receptor for Gas6-opsonized lentiviruses (10). A 70-80 kDa soluble portion of the Axl ECD can be shed by proteolytic cleavage, and this fragment retains the ability to bind Gas6 (11, 12).

References

  1. Linger, R.M.A. et al. (2011) Adv. Cancer Res. 100:35.
  2. O’Bryan, J.P. et al. (1991) Mol. Cell. Biol. 11:5016.
  3. Nagata, K. et al. (1996) J. Biol. Chem. 22:30022.
  4. Cosemans, J.M.E.M. et al. (2010) J. Thromb. Haemost. 8:1797.
  5. Seitz, H.M. et al. (2007) J. Immunol. 178:5635.
  6. Park, I.-K. et al. (2009) Blood 113:2470.
  7. Holland, S. et al. (2005) Cancer Res. 65:9294.
  8. Rankin, E.B. et al. (2010) Cancer Res. 70:7570.
  9. Korshunov, V.A. et al. (2006) Circ. Res. 98:1446.
  10. Morizono, K. et al. (2011) Cell Host Microbe 9:286.
  11. O’Bryan, J.P. et al. (1995) J. Biol. Chem. 270:551.
  12. Ekman, C. et al. (2010) J. Thromb. Haemost. 8:838.

Long Name

Axl Receptor Tyrosine Kinase

Alternate Names

AI323647, ARK, JTK11, Tyro7, UFO

Entrez Gene IDs

558 (Human); 26362 (Mouse); 102126361 (Cynomolgus Monkey)

Gene Symbol

AXL

UniProt

AAA61243

Additional Axl Products

Product Documents for Recombinant Human Axl Fc Chimera Protein, CF

Certificate of Analysis

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Product Specific Notices for Recombinant Human Axl Fc Chimera Protein, CF

For research use only

Citations for Recombinant Human Axl Fc Chimera Protein, CF

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    Application: In vivo study
    Verified Customer | Posted 06/07/2017

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