Id	Element	Ion	Binding family	Amino acids or nucleotide residues names	All bound residues	Is homomer	Number of bound amino acids or nucleotide residues	Number of all bound residues	Number of coordinating chains	Representative
1RVC-MG-4	MG	Mg²⁺	A1D1E1	ASP.DA.GLU.	ASP.DA.GLU.HOH.	✘	3	5	2	✘
1RVB-MG-1	MG	Mg²⁺	A1D2	ASP.DA.	ASP.DA.HOH.	✘	3	6	2	✔
1T57-MG-1	MG	Mg²⁺	I1P2R1V1	ARG.ILE.PRO.VAL.	ARG.ILE.PRO.VAL.	✔	5	5	2	✔
1T57-MG-2	MG	Mg²⁺	I1P2R1V1	ARG.ILE.PRO.VAL.	ARG.ILE.PRO.VAL.	✔	5	5	2	✘
1T57-MG-3	MG	Mg²⁺	I1P2R1V1	ARG.ILE.PRO.VAL.	ARG.HOH.ILE.PRO.VAL.	✔	5	6	2	✘
1T57-MG-4	MG	Mg²⁺	I1P2R1V1	ARG.ILE.PRO.VAL.	ARG.HOH.ILE.PRO.VAL.	✔	5	6	2	✘
1T57-MG-5	MG	Mg²⁺	I1P1R1	ARG.ILE.PRO.	ARG.ILE.PRO.	✔	3	3	2	✔
1T57-MG-6	MG	Mg²⁺	I1P1R1	ARG.ILE.PRO.	ARG.ILE.PRO.	✔	3	3	2	✘
1SUZ-MG-1	MG	Mg²⁺	A1D2	ASP.DA.	ASP.DA.HOH.	✘	3	6	2	✔
1SUZ-MG-2	MG	Mg²⁺	A1D2	ASP.DA.	ASP.DA.HOH.	✘	3	6	2	✘
1SAW-MG-1	MG	Mg²⁺	K2N2	ASN.LYS.	ASN.HOH.LYS.	✔	4	6	2	✘
1W55-MG-1	MG	Mg²⁺	D1T1	ASP.THR.	ASP.C.HOH.THR.	✔	2	6	2	✔
1W55-MG-2	MG	Mg²⁺	D1T1	ASP.THR.	ASP.C.HOH.THR.	✔	2	6	2	✘
1W55-MG-3	MG	Mg²⁺	D1T1	ASP.THR.	ASP.C.HOH.THR.	✔	2	6	2	✘
1W55-MG-4	MG	Mg²⁺	D1T1	ASP.THR.	ASP.C.HOH.THR.	✔	2	6	2	✘
1W55-MG-5	MG	Mg²⁺	D1T1	ASP.THR.	ASP.C.HOH.THR.	✔	2	6	2	✘
1W55-MG-6	MG	Mg²⁺	D1T1	ASP.THR.	ASP.C.HOH.THR.	✔	2	6	2	✘
1W5P-K-1	K	K⁺	D1R1	ARG.ASP.	ARG.ASP.	✔	2	2	2	✔
1W5P-K-2	K	K⁺	D1R1	ARG.ASP.	ARG.ASP.	✔	2	2	2	✘
1W5P-K-3	K	K⁺	D1R1	ARG.ASP.	ARG.ASP.	✔	2	2	2	✘