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Recombinant Human CD62L/L-Selectin protein (His tag)
SKU: PDEH100294-100
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Recombinant Human CD62L/L-Selectin protein (His tag)
| SKU # | PDEH100294 |
| Expression Host | E. coli |
Description
| Synonyms | L-selectin;Sell;CD62 antigen-like family member L;Leukocyte adhesion molecule 1 (LAM-1);Leukocyte-endothelial cell adhesion molecule 1;Lymph node homing receptor;Lymphocyte antigen 22 (Ly-22);Lymphocyte surface MEL-14 antigen;CD62L |
| Species | Human |
| Expression_host | E.coli |
| Sequence | Trp 39-Asn 332 |
| Accession | P30836 |
| Mol_Mass | 32.2 kDa |
| AP_Mol_Mass | 39 kDa |
| Tag | N-His |
| Bio_Activity | Not validated for activity |
Properties
| Purity | > 95 % as determined by reducing SDS-PAGE. |
| Endotoxin level | Please contact us for more information. |
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation | Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution | It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis |
Background
L-Selectin (also known as Leukocyte Selectin, LAM?1, LECAM-1, LECCAM-1, TQ1, Leu-8, MEL-14 antigen, DREG, lymph node homing receptor, 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 (aa) 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, also 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.