Identification of the Salmonella typhimurium cysB gene product by two-dimensional protein electrophoresis.

AUTOR(ES)

Baptist, E W

RESUMO

Examination of two-dimensional electropherograms of proteins from wild-type Salmonella typhimurium and 16 different cysB strains permitted the identification of a single 34,500-dalton polypeptide chain with a pI of 7.6 that was the product of cysB. Exclusion chromatography indicated that the native cysB protein is a multimer of at least two and probably four or more such subunits.

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