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Alignment of N-terminal (A) and C-terminal (B) regions in the triplicated SLH domain of C. cellulovorans (C.v) EngE with S-layer protein of Caulobacter crescentus (C.c) RsaA (2). Identical and similar amino acid residues are indicated by asterisks and dots, respectively. Gaps left to improve alignment are indicated by dashes. The numbers refer to amino acid residues at the start of the respective lines; all sequences are numbered from Met-1 of the peptide.
