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Comparison of the predicted amino acid sequence of the NspA proteins from the serogroup B strain 608B (B:2a:P1.3:L3) and three serogroup A strains MCH88 (A:4:P1.10), Z4063 (A:4:P1.7), and Z2491 (A:4,21:P1.7b,13a:L9). The NspA sequence from the strain Z2491 was produced by the N. meningitidis Sequencing Group at the Sanger Centre. Differences are indicated by one-letter codes and identities by a period. A 19-amino-acid-residue leader peptide is underlined.
