PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19517226-3 2009 Based on the molecular screening model using p-nitrophenyl phosphate (p-NPP) as a substrate for preliminary screening and (32)P-labeled 19-residue phosphopeptide as a specific substrate for final determination, we found that the total ginsenoside extracts from stems and leaves of Panax ginseng (GSL) could enhance the phosphatase activity of purified CN. Ginsenosides 235-246 cathepsin A Homo sapiens 296-299