9H52|1|P|FES|201 FES 9H52|1|T|FES|201 FES 9H52|1|7|SF4|501 SF4 9H52|1|B|MG|301 MG ion 9H52|1|X|MG|502 MG ion 9H52|1|O|ZN|301 ZN ion 9H52|1|X|ATP|501 ATP rna 9H52|1|X|GDP|503 GDP rna 9H52|1|9|GDP|701 GDP rna