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Nucleotide sequence comparison between the genetic regions ent62-6AB, entL50AB, and entI corresponding to GenBank accession nos EF112398, AJ223633, and Y16413, respectively. The deduced amino acid sequence for each peptide is shown below the open reading frames. Start codons are underlined and stop codons are indicated with an asterisk. Nucleotide differences between the three sequences are indicated in bold.
