Figure 2.

Amino acid sequence alignment of the Bacteroides fragilis proteases Bfp with the archetype C10 protease SpeB from Streptococcus pyogenes. The alignment was generated with T-coffee [55]. The red back-highlight regions indicate the sequences flanking the critical active site Cys and His residues (vertical black arrowhead).

Thornton et al. BMC Microbiology 2010 10:122   doi:10.1186/1471-2180-10-122
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