Recombinant Human IL2Ra/CD25 Protein (Fc Tag) (PKSH032570)
For research use only.
| Synonyms | IMD, IDDM, IL2RA, CD25, IDDM10, IL2R, IMD41, TCGFR, p55, IL-2 receptor subunit alpha, IL-2R subunit alpha, IL2-RA, IL-2-RA, IL-2Rα, Interleukin-2 receptor subunit alpha, TAC antigen, Tac, p55, IL-2R&, alpha, alpha chain, CD25 antigen, IL 2 receptor alpha subunit, IL2 RA, Interleukin 2 receptor, Interleukin 2 receptor alpha, Interleukin 2 receptor alpha chain, t-cell growth factor receptor |
| Species | Human |
| Expression Host | HEK293 Cells |
| Sequence | Glu22-Cys213 |
| Accession | P01589 |
| Calculated Molecular Weight | 48.9 kDa |
| Observed Molecular Weight | 60-80 kDa |
| Tag | C-Fc |
| Bio-activity | Loaded Human IL-2-His on HIS1K Biosensor, can bind Human IL-2RA-Fc with an affinity constant of 3.06 nM as determined in BLI assay. |
| Purity | > 95 % as determined by reducing SDS-PAGE. |
| Endotoxin | < 1.0 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 a 0.2 μm filtered solution of 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 | Interleukin-2 receptor subunit alpha (IL2RA) is a single-pass type I membrane protein; contains 2 Sushi (CCP/SCR) domains. The interleukin 2 (IL2) receptor alpha (IL2RA) and beta (IL2RB) chains; together with the common gamma chain (IL2RG); constitute the high-affinity IL2 receptor. Homodimeric alpha chains (IL2RA) result in low-affinity receptor; while homodimeric beta (IL2RB) chains produce a medium-affinity receptor. Normally an integral-membrane protein; soluble IL2RA has been isolated and determined to result from extracellular proteolyisis. |
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