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Recombinant Bovine S100A7/PSOR1 protein (His tag)
SKU: PDEB100005-100
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Recombinant Bovine S100A7/PSOR1 protein (His tag)
| SKU # | PDEB100005 |
| Expression Host | E. coli |
Description
| Synonyms | Protein S100-A7;Psoriasin;S100 calcium-binding protein A7;S100A7;PSOR1;S100A7C |
| Species | Bovine |
| Expression_host | E.coli |
| Sequence | Ser 2-Gln 101 |
| Accession | Q28050 |
| Mol_Mass | 10.9 kDa |
| AP_Mol_Mass | 12 kDa |
| Tag | N-His |
Properties
| Purity | > 95 % as determined by reducing SDS-PAGE. |
| 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
S100A7 is a 11-12 kDa member of the S100 family of EF hand calcium binding proteins. Human S100A7 shares 32% amino acid sequence identity with mouse S100A7A, the closest related protein in mouse. It is acetylated at the N-terminus and binds both calcium and zinc ions. S100A7 is up-regulated in keratinocytes of psoriasis and atopic dermatitis lesions, as well as in epithelial cells of the tongue, eye, and female genital tract. Its up-regulation can be induced by bacterial exposure, inflammatory cytokines, or epidermal barrier disruption. S100A7 supports epithelial integrity through killing E. coli by sequestration of zinc and through inducing the up-regulation of tight junction proteins. The interaction of S100A7 with RAGE promotes the migration of immune cells and the infiltration of macrophages into tumor sites.