来源:HEK293 细胞重组表达 氨基酸序列:ALDTNYCFSS TEKNCCVRQL YIDFRKDLGW KWIHEPKGYH ANFCLGPCPY IWSLDTQYSK VLALYNQHNP GASAAPCCVP QALEPLPIVY YVGRKPKVEQ LSNMIVRSCK CS 蛋白纯度:大于98% 生物活性:The ED50 was determined by TGF-beta1's ability to inhibit the mouse IL-4-dependent proliferation of mouse HT-2 cells is ≤ 0.05 ng/ml, corresponding to a specific activity of ≥ 2 x 107 units/mg. 内毒素:Endotoxin level is < 0.1 ng/ug of protein (< 1 EU/ug)