Fractionation of soluble proteins in Escherichia coli using DEAE-, SP-, and phenyl sepharose chromatographies.


In an effort to simplify a complex mixture of soluble proteins from Escherichia coli, methods to fractionate the samples prior to two-dimensional (2D) gel electrophoresis were developed. These methods involve the use of DEAE-Sepharose, SP-Sepharose, and phenyl Sepharose chromatographic columns and the fractionation of the protein mixtures based on… (More)


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