Sequence analysis of the heat-labile enterotoxin subunit B gene originating in human enterotoxigenic Escherichia coli.

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RESUMO

In this study, we determined the amino-terminal coding sequence, covering the signal peptide and the amino-terminus of the mature peptide, of the heat-labile enterotoxin subunit B (LT-B) gene originating in human enterotoxigenic Escherichia coli. Neither the signal sequence nor the amino-terminal sequence of the mature LT-B was identical to those sequences from porcine enterotoxigenic E. coli, but there was an extensive homology.

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