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Nucleotide sequence corresponding to five chemotaxis genes in Escherichia coli

Mutoh, Norihiro and Simon, Melvin I. (1986) Nucleotide sequence corresponding to five chemotaxis genes in Escherichia coli. Journal of Bacteriology, 165 (1). pp. 161-166. ISSN 0021-9193.

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The nucleotide sequence of DNA which contains five chemotaxis-related genes of Escherichia coli, cheW, cheR, cheB, cheY, and cheZ, and part of the cheA gene was determined. Molecular weights of the polypeptides encoded by these genes were calculated from translated amino acid sequences, and they were 18,100 for cheW, 32,700 for cheR, 37,500 for cheB, 14,100 for cheY, and 24,000 for cheZ. Nucleotide sequences which could act as ribosome-binding sites were found in the upstream region of each gene. After the termination codon of the cheW gene, a typical rho-independent transcription termination signal was observed. There are no other open reading frames long enough to encode polypeptides in this region except those which code for the two previously reported genes tar and tap.

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Additional Information:Copyright © 1986 by the American Society for Microbiology. Received 10 September 1985/Accepted 24 October 1985 This work was supported by a Public Health Service grant from the National Institute of Health. We thank R. Doolittle for analyzing the protein sequences presented in this paper for sequence homology with other proteins. His computer analyses found the homologies between the cheA and the envZ genes.
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Deposited On:24 Apr 2006
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