Recombinant Human Galectin-9 protein(N-His)(active)
SKU: PKSH034185-100
Recombinant Human Galectin-9 protein(N-His)(active)
| SKU # | PKSH034185 |
| Expression Host | E.coli |
Description
| Synonyms | HUATA, LGALS9 |
| Species | Human |
| Expression Host | E.coli |
| Sequence | Ala 2-Thr 323 |
| Accession | O00182-2 |
| Calculated Molecular Weight | 36.7 kDa |
| Observed Molecular Weight | 37 kDa |
| Tag | N-His |
| Bio-activity | Measured by its ability of the immobilized protein to support the adhesion of Jurkat cells. The ED50 for this effect is < 3 μg/mL. |
Properties
| Purity | > 98 % as determined by reducing SDS-PAGE. |
| Endotoxin | < 0.1 EU per μg of the protein as determined by the LAL method. |
| 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% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution | Please refer to the printed manual for detailed information. |
Background
Galectin-9 is a cytoplasmic protein that contains two galectin domains. Galectin-9 is an S-type lectin that is over-expressed in Hodgkin's disease tissue. Galectin-9 binds galactosides and has high affinity for the Forssman pentasaccharide. Galectin-9 plays a role in thymocyte-epithelial interactions relevant to the biology of the thymus and Inhibits cell proliferation. Galectin-9 is a ligand for HAVCR2/TIM3 and induces T-helper type 1 lymphocyte (Th1) death. In addition, Galectin-9 suppresses tumor cell metastasis by interfering with the associations CD44, VCAM-1, Integrin α4β1.