title crystal structure of 3-amino-5-hydroxybenzoic acid (ahba) synthase compnd mol_id: 1; compnd 2 molecule: protein (3-amino-5-hydroxybenzoic acid synthase); compnd 3 chain: a; compnd 4 synonym: ahba synthase; compnd 5 engineered: yes source mol_id: 1; source 2 organism_scientific: amycolatopsis mediterranei; source 3 organism_taxid: 33910; source 4 expression_system: escherichia coli; source 5 expression_system_taxid: 562; source 6 expression_system_plasmid: prsetb(eahba6) expdta x-ray diffraction hetnam plp pyridoxal-5'-phosphate formul 2 plp c8 h10 n o6 p formul 3 hoh *216(h2 o)