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Sequence alignment of LolB protein from A. actinomycetemcomitans. Identical residues are indicated by black shading, while conservative substitutions are indicated by gray shading. Alignment was determined by using Vector NTI software from InforMax, Inc., North Bethesda, Md. ACTAC, A. actinomycetemcomitans; ECOLI, E. coli (11); SALTY, Salmonella typhimurium (16); HAEIN, H. influenzae (8).
