作者: A.S.L. Hu , R.G. Wolfe , F.J. Reithel
DOI: 10.1016/0003-9861(59)90231-0
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摘要: Abstract β-Galactosidase has been extracted from Escherichia coli , ML 308, and purified by (NH 4 )SO fractionation, diethylaminoethylcellulose chromatography, preparative electrophoresis. A protein resulted which is homogeneous the criteria of electrophoresis, ultracentrifugation, solubility data.