Analysis of the ptsH-ptsI-crr region in Escherichia coli K-12: nucleotide sequence of the ptsH gene.
The nucleotide sequence of an Escherichia coli DNA segment containing the ptsH gene and the first 162 nucleotides of the ptsI gene encoding, respectively, Hpr and enzyme I of the phosphoenolpyruvate-dependent glycose phosphotransferase system (PTS), was determined. The ptsH promoter was localized using the S1 mapping technique. A nucleotide sequence very similar to the consensus binding site for cAMP receptor protein was found in the -35 region of the ptsH promoter. The ptsH gene is transcribed in the same direction as the ptsI gene and the crr gene (encoding enzyme IIIGlc of the PTS). Analysis of the nucleotide sequence substantiates the notion that the ptsH-ptsI-crr genes constitute a polycistronic operon.[1]References
- Analysis of the ptsH-ptsI-crr region in Escherichia coli K-12: nucleotide sequence of the ptsH gene. De Reuse, H., Roy, A., Danchin, A. Gene (1985) [Pubmed]
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