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Amino acid sequence alignment of the NAD+ synthetases from S. sobrinus, S. mutans, Salmonella enterica, E. coli, Streptococcus pneumoniae, Streptococcus pyogenes, Staphylococcus aureus, and Bacillus subtilis. The consensus fingerprint sequence for the N-type ATP pyrophosphatases is boxed. Amino acid residues identical to those of S. sobrinus are shaded.
