3.5.4.16	dihydroneopterin triphosphate synthase, FelE, folE, GCH, GCH-1, GCH1, GCHI, GCYH-IA, GCYH-IB, GTP 8-formylhydrolase, GTP CHase I, GTP cyclohydrolase, GTP cyclohydrolase 1, GTP cyclohydrolase I, GTP cyclohydrolase IB, GTP cyclohydrolase-1, GTP-CH, GTP-CH-I, GTP-CH1, GTP-cyclohydrolase 1, GTP-cyclohydrolase I, GTPCH, GTPCH I, GTPCH-1, GTPCH1, GTPCHI, guanosine 5'-triphosphate-cyclohydrolase I, guanosine triphosphate 8-deformylase, guanosine triphosphate cyclohydrolase, guanosine triphosphate cyclohydrolase 1, guanosine triphosphate cyclohydrolase I, guanosine-5'-triphosphate cyclohydrolase 1, hydrolase, guanosine triphosphate cyclo-, MptA, Punch, Punch protein	-	-, 655489, 655934, 656261, 657176, 657273, 660407, 667025, 667769, 668507, 668946, 669149, 669268, 670416, 670478, 670660, 670924, 684313, 685163, 685890, 686181, 687523, 687971, 688532, 695498, 696398, 697359, 698049, 698116, 698205, 698211, 698598, 698830, 698891, 699378, 701141, 701372, 710814, 710818, 711040, 711068, 711917, 718548, 718553, 719308, 719914, 720551, 720858, 734606, 735125, 755735, 756001, 758364, 758404	
3.5.4.16	GCYH-IA, GCYH-IB, GTP cyclohydrolase IA, GTP cyclohydrolase IB	isozyme	712290