货号: 1012-050
GMP Recombinant Human Granulocyte Macrophage-Colony Stimulating Factor (rh GM-CSF)重组人粒细胞刺激因子产品信息: Data Sheet: CellGenix™ GMP Recombinant Human Granulocyte Macrophage-Colony Stimulating Factor (rh GM-CSF) Order No.: 1012-050 Source A DNA sequence encoding the mature GM-CSF protein (Cantrell,M. et al., 1985,PNAS 82:6250-6254; Lee, F. et al., 1985, PNAS 82:4360-4364; and Wong. et al.,1985, Science 228:810-815) was expressed in E. coli Molecular mass The methionyl form of the E. coli expressed mature human GM-CSF contains 128 amino acid residues and has a molecular mass of approximay 14.5 kDa Identity Confirmed by DNA-sequencing of the expression plasmid in end of production (EOP)-cells and N-terminal sequencing of the final product Purity ≥97%, as determined by SDS-PAGE(under reducing and non-reducing conditions) and visualized by Coomassie staining Endotoxin level < 1000 EU/mg, as determined by LAL gel clot test according to Ph.Eur.typically < 100 EU/mg Residual host-cell DNA ≤200 ng/mg, as determined by a fluorimetric assay