Abstract
A protein has been fond by isoelectricfocusing and autoradiography in Escherichia coli and Salmonella typhimurium which was phosphorylated by enzyme I and an histidine-containing phosphocarrier protein (HPr) of the phosphoenolpyruvate-sugar phosphotransferase system (PTS). This protein was not factor III glc nor was it specifically induced by fructose. Its presence in soluble crude extracts was dependent upon growth conditions; however, the two bacteria had different patterns and amounts in respect to this novel protein. The protein was present in S. typhimurium SB2950 which has an extensive deletion through the pts operon, thus indicating that it must be coded for elsewhere on the genome.
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Schedule a callMore From: Canadian journal of biochemistry and cell biology = Revue canadienne de biochimie et biologie cellulaire
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