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
5HLK-NA-1	NA	Na⁺	T2	DT.THR.	DT.HOH.THR.	✘	2	3	2	✔
5HLK-NA-2	NA	Na⁺	T2	DT.THR.	DT.HOH.THR.	✘	2	4	2	✘
2QNC-MG-1	MG	Mg²⁺	C1D2	ASP.DC.	ASP.DC.HOH.	✘	3	4	2	✔
2QOJ-MG-1	MG	Mg²⁺	A2D1T1	ALA.ASP.DA.DT.	ALA.ASP.DA.DT.HOH.	✘	4	5	3	✔
2QOJ-MG-2	MG	Mg²⁺	C2E1G1	DC.GLU.GLY.	DC.GLU.GLY.	✘	4	4	3	✔
2O3B-MG-1	MG	Mg²⁺	N1T1	ASN.THR.	ASN.HOH.THR.	✘	2	6	2	✔
2O6M-MG-1	MG	Mg²⁺	A1G1N1	ASN.DA.DG.	ASN.DA.DG.HOH.	✘	3	6	2	✔
2NVZ-MG-1	MG	Mg²⁺	D3	ASP.	ASP.UTP.	✘	3	4	2	✘
1PYS-MG-1	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✘	2	3	2	✔
1PYS-MG-2	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✘	2	3	2	✘
2GWS-NA-1	NA	Na⁺	G3	DG.	HOH.	✘	3	6	2	✔
2GWS-NA-2	NA	Na⁺	A1G1I1S1	ALA.DG.ILE.SER.	DG.HOH.	✘	4	6	2	✔
1TZN-MG-1	MG	Mg²⁺	D1S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	3	3	2	✔
1TZN-MG-2	MG	Mg²⁺	D1S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	3	3	2	✘
1TZN-MG-3	MG	Mg²⁺	D1S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	3	3	2	✘
1TZN-MG-4	MG	Mg²⁺	D1S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	3	3	2	✘
1TZN-MG-5	MG	Mg²⁺	D1S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	3	3	2	✘
1TZN-MG-6	MG	Mg²⁺	D1S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	3	3	2	✘
1TZN-MG-7	MG	Mg²⁺	D1S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	3	3	2	✘
1TZN-MG-8	MG	Mg²⁺	D1S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	3	3	2	✘