Characterization of the tol-pal and cyd region of Escherichia coli K-12: transcript analysis and identification of two new proteins encoded by the cyd operon.
Sequence analysis showed that the cyd operon is immediately upstream of the tol-pal region. Northern (RNA) blot analysis demonstrated that the transcript for the cyd operon terminates just before the promoter for transcription of the tol genes. The cyd transcript contains cydA cydB followed by two open reading frames: orfC, encoding a 37-residue peptide, and orfD, encoding a 97-residue peptide. Both OrfC and OrfD are synthesized in minicells.
Muller
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MM
Department of Biochemistry, Duke University Medical Center, Durham, North Carolina 27710, USA.
Webster
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D000595:Amino Acid Sequence; D001426:Bacterial Proteins / Q000096:biosynthesis / Q000737:chemistry / Q000235:genetics*; D001483:Base Sequence; D003573:Cytochrome b Group; D003580:Cytochromes / Q000235:genetics*; D045222:Electron Transport Chain Complex Proteins; D004926:Escherichia coli / Q000235:genetics*; D029968:Escherichia coli Proteins; D008969:Molecular Sequence Data; D016366:Open Reading Frames / Q000235:genetics; D009876:Operon; D010088:Oxidoreductases / Q000235:genetics*; D012329:RNA, Bacterial / Q000235:genetics; D012333:RNA, Messenger / Q000235:genetics; D015534:Trans-Activators
D001426:Bacterial Proteins; D003573:Cytochrome b Group; D003580:Cytochromes; D045222:Electron Transport Chain Complex Proteins; D029968:Escherichia coli Proteins; D012329:RNA, Bacterial; D012333:RNA, Messenger; D015534:Trans-Activators; C104889:mraZ protein, E coli; C067189:fhlA protein, E coli; D010088:Oxidoreductases; C040077:cytochrome bd terminal oxidase complex, E coli