ID 3.4.22.35 DE histolysain. AN histolysin. CA Hydrolysis of proteins, including basement membrane collagen and CA azocasein. Preferential cleavage: Arg-Arg-|-Xaa in small molecule CA substrates including Z-Arg-Arg-|-NHMec. CC -!- From the protozoan, Entamoeba histolytica. CC -!- Belongs to peptidase family C1. DR Q01958, CPP2_ENTH1 ; P36184, CPP3_ENTH1 ; //