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Amino acid comparison of M12X01451 Stx1e with Stx1 subtype reference sequences. Stx1 subtype reference strains (and corresponding GenBank sequences) are Stx1 (strain EDL933) (M19473), Stx1c (strain DG131/3) (Z36901), and Stx1d (strain MHI813) (AY170851). Amino acids conserved with the Stx1 sequence are indicated with a dot. Amino acid substitutions are indicated by a single-letter amino acid designation. Signal peptide regions are underlined.
