PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8342942-5 1993 Like spleen cathepsin S, the sperm enzyme selectively hydrolyzed Z-Phe-Arg-NMec, but its activity was uncharacteristically limited to a pH range of 3.0-3.5, where it displayed a typical high sensitivity to sulfhydryl reagents (HgCl2, mersalyl acid, iodoacetate), leupeptin, Z-Phe-Phe-CHN2, and L-trans-epoxysuccinylleucylamido(3-methyl)butane. Mersalyl 234-247 cathepsin S Cavia porcellus 12-23