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Alignment of DsrAI and DsrAII amino acid sequences. The amino acid sequences of DsrA from 35000HP and DsrA from CIP 542 ATCC are compared. Boxed, shaded residues indicate identity. The first arrow indicates the possible signal peptidase I cleavage site; the second arrow indicates the end of the protein that was used for antibody production. The final 86 amino acids of the C termini are underlined.
