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IL2 Protein, Human, Recombinant: 產(chǎn)品信息
純度> 95 % as determined by SDS-PAGE.
內(nèi)毒素< 0.01 EU per μg of the protein as determined by the LAL method
生物活性1. Measured in a cell proliferation assay using CTLL2. The ED50 for this effect is typically 0.5-4 ng/mL. The specific activity of recombinant human IL-2 is approximately 2×10E4 IU/μg.
2. Using the Octet RED System, the affinity constant (Kd) of IL2 Protein, Human, Recombinant (Cat. GMP-11848-HNAE) bound Anti-IL2 Antibody (Cat. 11848-MM03) was 0.1 nM.
蛋白構(gòu)建A DNA sequence encoding the mature form of human IL2 (P60568-1) (Ala 21-Thr 153) was expressed and purified with an initial Met.
Uniprot No.P60568-1
表達(dá)宿主E. coli
種屬Human
預(yù)測(cè) N 端Met
分子量The recombinant human IL-2 consists of 134 amino acids and predicts a molecular mass of 15.5 kDa.
緩沖液Supplied as sterile 20mM HAc-NaAc+0.004% Tween-80 pH 4.0
Please contact us for any concerns or special requirements.
Please refer to the specific buffer information in the hard copy of CoA.
運(yùn)輸方式Liquid. It is shipped out with blue ice.
穩(wěn)定性 & 儲(chǔ)存條件Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
復(fù)溶A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.