Recombinant Human IL-5 Protein重组人白介素5

Description :
别名Synonyms B-cell differentiation factor I, Eosinophil differentiation factor, TRF Source E.coli-derived human IL-5 protein, Ile20-Ser134,with an N-terminal Met. Accession P05113 Molecular Weight Approximately 26.5 kDa. 氨基酸序列AA Sequence MIPTEIPTSA LVKETLALLS THRTLLIANE TLRIPVPVHK NHQLCTEEIF QGIGTLESQT VQGGTVERLF KNLSLIKKYI DGQKKKCGEE RRRVNQFLDY LQEFLGVMNT EWIIES 内毒素Endotoxin by the LAL method. Purity > 98% SDS-PAGE和 HPLC检测 生物Biological Activity Fully biologically active when compared to standard. The ED50as determined by a cell proliferation assay using human TF-1 cells is less than 0.1 ng/ml, corresponding to a specific activity of > 1.0 107IU/mg. Formulation Lyophilized from a 0.2 m filtered concentrated solution in 20mM PB, pH 7.5, 3% trehalose, 0.1% Tween-80. 外观Physical Appearance 白色冻干粉