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
6DUC-CS-1	CS	Cs⁺	P2	PRO.	PRO.	✔	2	2	2	✔
1G57-CS-1	CS	Cs⁺	G1I2R1	ARG.GLY.ILE.	ARG.GLY.HOH.ILE.	✔	4	6	2	✔
1G57-CS-2	CS	Cs⁺	G1I1R1	ARG.GLY.ILE.	ARG.GLY.HOH.ILE.	✔	3	4	2	✔
1ZQE-CR-1	CR	Cr³⁺	I1T2	DT.ILE.THR.	DT.HOH.ILE.THR.	✘	3	4	2	✔
1HUZ-CR-1	CR	Cr³⁺	D2T1	ASP.DT.	ASP.DT.MDN.	✘	3	4	2	✔
2RL9-MN-1	MN	Mn²⁺	D1X1	ASP.M6P.	ASP.M6P.	✘	2	2	2	✔
2RL9-MN-2	MN	Mn²⁺	D1X1	ASP.M6P.	ASP.M6P.	✘	2	2	2	✔
6RAR-MN-1	MN	Mn²⁺	C2	DC.	DC.HOH.	✘	2	5	2	✔
2IIF-MN-1	MN	Mn²⁺	E1T1	DT.GLU.	HOH.	✘	2	2	2	✔
1ZQM-MN-1	MN	Mn²⁺	I1T2V1	DT.ILE.THR.VAL.	DT.HOH.ILE.THR.VAL.	✘	4	5	2	✘
1Z9K-MN-1	MN	Mn²⁺	H2	HIS.	HIS.	✔	2	2	2	✔
1Z9K-MN-2	MN	Mn²⁺	H2	HIS.	HIS.	✔	2	2	2	✘
3L24-MN-1	MN	Mn²⁺	H2	HIS.	HIS.	✔	2	2	2	✔
3L24-MN-2	MN	Mn²⁺	H2	HIS.	HIS.	✔	2	2	2	✘
3L7G-MN-1	MN	Mn²⁺	H2	HIS.	HIS.	✔	2	2	2	✘
3L7G-MN-2	MN	Mn²⁺	H2	HIS.	HIS.	✔	2	2	2	✘
3G2R-MN-1	MN	Mn²⁺	G2	DG.	DG.HOH.	✔	2	4	2	✔
3E44-MN-1	MN	Mn²⁺	A1D1E1V1	ASP.DA.GLU.VAL.	ASP.DA.GLU.HOH.VAL.	✘	4	5	2	✔
3E44-MN-2	MN	Mn²⁺	A1D1V1	ASP.DA.VAL.	ASP.HOH.	✘	3	3	2	✔
3DW9-MN-1	MN	Mn²⁺	C1D1F1	ASP.DC.PHE.	ASP.DC.HOH.PHE.	✘	3	6	2	✘