PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9571233-8 1998 For the substrates tested in this study, mouse Nat3 exhibited activity only toward 5-aminosalicylic acid and only at 1/20 the activity shown by Nat2. Mesalamine 83-104 N-acetyltransferase 3 Mus musculus 47-51