PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23940600-4 2013 Spectroscopic, chemical, molecular modelling and biochemical studies reported here show that the color change is mediated by selective recognition between the conjugate base of the sulfonamide group within the probe and the conjugate acid of the arginine residue within the active site of both hNAT1 and mNat2. Sulfonamides 181-192 N-acetyltransferase 1 Homo sapiens 294-299