Cystatin B 蛋白|Cystatin B protein|Cystatin B(Human, His Tag)

人 Cystatin B蛋白|Cystatin B protein|Cystatin B(Human, N-His)（产品说明）
蛋白名称：Cystatin B蛋白, Cystatin B protein
蛋白构建：A DNA sequence encoding the human CSTB (P04080) (Met 2-Phe 98) was expressed, with a polyhistide tag at the N-terminus.
表达宿主：E. coli
蛋白纯度：> 95 % as determined by SDS-PAGE
蛋白活性：Measured by its ability to inhibit papain cleavage of a fluorogenic peptide substrate Z-FR-AMC (R&D Systems, Catalog # ES009). The IC50 value is < 15 nM.
蛋白内毒素：Please contact us for more information.
预测N端：Met
蛋白分子量：The recombinant human CSTB consisting of 108 amino acids and has a calculated molecular mass of 12.5 kDa. It migrates as an approximately 15 kDa band in SDS-PAGE under reducing conditions.
蛋白NP号：P04080
蛋白氨基酸序列：Met2-Phe98
蛋白标签：N-His
蛋白保存条件：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.