No substrates are Ala-Ile-Phe-Ile-Ala-Ser (i.e. Streptococcus faecalis sex pheromone cAM373), aminoacyl-2-naphthylamides, Nalpha-benzoyl-DL-Arg 4-nitroanilide, phenylazobenzyloxycarbonyl-L-Pro-L-Leu-Gly-L-Pro-D-Arg, 2-furylacryloyl-L-Leu-Gly-L-Pro-L-Ala
no inhibition by DTNB, carbodiimide/glycine ethyl ester; no inhibition by iodoacetate; no inhibition by PMSF, phenylglyoxal; no inhibition by tosyl-Leu chloromethyl ketone, tosyl-Phe chloromethyl ketone, trasylol (i.e. bovine lung trypsin inhibitor)
Ishidate, K; Creeger, ES; Zrike, J; Deb, S; Glauner, B; MacAlister, TJ; Rothfield, LI
Isolation of differentiated membrane domains from Escherichia coli and Salmonella typhimurium, including a fraction containing attachment sites between the inner and outer membranes and the murein skeleton of the cell envelope.