PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8433995-6 1993 The method identified the following enzymes of unknown three-dimensional structure as probable beta/alpha-barrels, all of which catalyze reactions in the biosynthesis of aromatic amino acids: anthranilate phosphoribosyltransferase (trpD), glutamine amidotransferase (trpG), and phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase (hisA). Amino Acids, Aromatic 170-190 guanine monophosphate synthase Homo sapiens 239-265