Barbara Overhoff

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A DNA fragment that codes for the 364 amino-terminal amino acid residues of a putative Bacillus subtilis SecA homologue has been cloned using the Escherichia coli SecA gene as a probe. The deduced amino acid sequence showed 58% identity to the aminoterminus of the E. coli SecA protein. A DNA fragment which codes for 275 amino-terminal amino acid residues of(More)
The Tsr protein of Escherichia coli is a chemosensory transducer that mediates taxis toward serine and away from certain repellents. Like other bacterial transducers, Tsr spans the cytoplasmic membrane twice, forming a periplasmic domain of about 150 amino acids and a cytoplasmic domain of about 300 amino acids. The 32 N-terminal amino acids of Tsr resemble(More)
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