MeSH note : a cysteine protease and hemagglutinin with significant similarity to streptococcal
enzymes; activity was strongly dependent upon the presence of reducing agents (dithiothreitol,
cysteine & 2-mercaptoethanol) and was also stimulated in the presence of calcium ions;
MW about 53.9 kD; amino acid sequence given in first source; from Porphyromonas gingivalis;