Recombinant Mouse VCAM-1/CD106 Fc Chimera Protein, CF Summary
| Details of Functionality |
Measured by the ability of the immobilized protein to support the adhesion of U937 human histiocytic lymphoma cells. When 5 x 10 4 cells/well are added to mouse VCAM-1 coated plates (10 µg/mL with 100 µL/well), >85% will adhere after 1 hour incubation at room temperature. Optimal dilutions should be determined by each laboratory for each application. |
| Source |
Mouse myeloma cell line, NS0-derived mouse VCAM-1/CD106 protein | Met | Mouse VCAM-1 (Phe25-Glu698) Accession # CAA47989 | IEGRMD | Human IgG 1 (Pro100-Lys330) | 6-His tag | N-terminus | | | | C-terminus | |
| Accession # |
|
| N-terminal Sequence |
Met |
| Structure / Form |
Disulfide-linked homodimer |
| Protein/Peptide Type |
Recombinant Proteins |
| Gene |
Vcam1 |
| Purity |
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining |
| Endotoxin Note |
<0.10 EU per 1 μg of the protein by the LAL method. |
Applications/Dilutions
| Dilutions |
|
| Theoretical MW |
101.9 kDa (monomer). Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
| SDS-PAGE |
120 kDa, reducing conditions |
| Publications |
Read Publications using 643-VM in the following applications:
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Packaging, Storage & Formulations
| Storage |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 degreesC as supplied. 1 month, 2 to 8 degreesC under sterile conditions after reconstitution. 3 months, -20 to -70 degreesC under sterile conditions after reconstitution. |
| Buffer |
Lyophilized from a 0.2 μm filtered solution in PBS. |
| Purity |
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining |
| Reconstitution Instructions |
Reconstitute at 1 mg/mL in sterile, deionized water. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Mouse VCAM-1/CD106 Fc Chimera Protein, CF
Background
VCAM-1 (CD106), a member of the immunoglobulin superfamily, is a cell surface protein expressed by activated endothelial cells and certain leukocytes (such as macrophages). VCAM-1 expression is induced by IL-1 beta , IL-4, TNF-alpha and IFN-gamma . VCAM-1 binds to leukocyte integrins VLA-4 and alpha 4 beta 7 . The human and mouse VCAM-1 proteins share approximately 76% amino acid similarity. During the inflammatory adhesion mechanism, activated integrins halt rolling leukocytes and attach them firmly to the vascular endothelium. They do this by binding to their ligands, for example VCAM-1, on endothelium. The VCAM-1: VLA-4/ alpha 4 beta 7 interaction is also thought to be involved in the extravasation of white blood cells through the blood vessel wall to sites of inflammation. ELISA techniques have shown that detectable levels of soluble VCAM-1 are present in the biological fluids of apparently normal individuals. Furthermore, a number of studies have reported that levels of VCAM-1 may be elevated or lowered in subjects with a variety of pathological conditions.
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