Reactivity | MuSpecies Glossary |
Applications | Bioactivity |
Format | Carrier-Free |
Details of Functionality | Measured by the ability of the immobilized protein to support the adhesion of LS180 human colorectal adenocarcinoma cells. When 5 x 104 cells/well are added to Recombinant Mouse L‑Selectin/CD62L Fc Chimera coated plates, adhesion is induced in a dose dependent manner after a 1 hour incubation at 37 °C. The ED50 for this effect is 0.3‑1.2 μg/mL. Optimal dilutions should be determined by each laboratory for each application. |
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Source | Mouse myeloma cell line, NS0-derived mouse L-Selectin/CD62L protein
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Accession # | |||||||||
N-terminal Sequence | Trp39 |
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Structure / Form | Disulfide-linked homodimer |
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Protein/Peptide Type | Recombinant Proteins |
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Gene | Sell |
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Purity | >90%, by SDS-PAGE under reducing conditions and visualized by silver stain |
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Endotoxin Note | <0.10 EU per 1 μg of the protein by the LAL method. |
Dilutions |
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Theoretical MW | 60.5 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. |
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SDS-PAGE | 150 kDa, reducing conditions |
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Publications |
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Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Buffer | Lyophilized from a 0.2 μm filtered solution in PBS. |
Purity | >90%, by SDS-PAGE under reducing conditions and visualized by silver stain |
Reconstitution Instructions | Reconstitute at 0.1 mg/mL in sterile PBS. |
L-Selectin (also known as Leukocyte Selectin, LAM‑1, LECAM-1, LECCAM-1, TQ1, Leu-8, MEL-14 antigen, DREG, lymph node homing receptor, and CD62L), a member of the Selectin family, is a cell surface glycoprotein expressed constitutively on a wide variety of leukocytes. Two forms of L-Selectin have been reported, apparently arising as a result of post-translational modifications. The lymphocyte form shows an apparent molecular weight of 74 kDa, while the neutrophil form is 90 - 100 kDa. Human and mouse L-Selectin share 76% amino acid sequence homology.
L-Selectin plays a role in the migration of lymphocytes into peripheral lymph nodes and sites of chronic inflammation, and of neutrophils into acute inflammatory sites. Acting in cooperation with P-Selectin and E-Selectin, L-Selectin mediates the initial interaction of circulating leukocytes with endothelial cells that produces a characteristic "rolling" of the leukocytes on the endothelium. This initial interaction involving ICAM-1 and VCAM-1 leads eventually to extravasation of the white blood cell through the blood vessel wall into the extracellular matrix tissue.
ELISA techniques have shown that detectable levels of soluble L-Selectin are present in the biological fluids of apparently normal individuals. Furthermore, a number of studies have reported that levels of L‑Selectin may be elevated or lowered in subjects with a variety of pathological conditions.
L-selectin (CD62L antigen, Leukocyte surface antigen Leu-8) L-selectin is a member of the selectin family of glycoprotein adhesion and homing receptors that recognize sialyated carbohydrate groups and regulate lymphocyte-endothelial cell interactions. It is a type I transmembrane cell adhesion molecule (CAM) a... Read full blog post. |
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