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 . 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