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
5M2T-NA-3	NA	Na⁺	E2I1S1	GLU.ILE.SER.	GLU.ILE.SER.	✔	4	4	2	✔
5D4B-NA-1	NA	Na⁺	A1T1V2	DA.THR.VAL.	DA.THR.VAL.	✘	4	4	2	✔
5D46-NA-1	NA	Na⁺	T2V2	DT.THR.VAL.	DT.THR.VAL.	✘	4	4	2	✔
5D49-NA-1	NA	Na⁺	G1T1V2	DG.THR.VAL.	DG.HOH.THR.VAL.	✘	4	6	2	✔
5D5G-MG-1	MG	Mg²⁺	G1P1	GLY.PRO.	GLY.PRO.	✘	2	2	2	✔
5CZA-MG-1	MG	Mg²⁺	A1D1N1S1	ALA.ASN.ASP.SER.	ALA.ASN.ASP.SER.	✘	4	4	2	✔
5CZA-MG-2	MG	Mg²⁺	A1D1N1S1	ALA.ASN.ASP.SER.	ALA.ASN.ASP.SER.	✘	4	4	2	✘
5CZA-MG-3	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
5CZ4-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CZ4-MG-2	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.HOH.ILE.SER.	✘	4	5	2	✔
5CZ4-MG-3	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.HOH.SER.	✘	4	5	2	✘
5CZ6-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CZ6-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CZ6-MG-3	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
5CZ9-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CZ9-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CZ9-MG-3	MG	Mg²⁺	D2I1	ASP.ILE.	ASP.ILE.	✘	3	3	2	✘
5DD7-K-1	K	K⁺	D2	ASP.	ANP.ASP.HOH.	✔	2	6	2	✔
5DD7-K-2	K	K⁺	A1D2M1V1	ALA.ASP.MET.VAL.	ALA.ASP.MET.VAL.	✔	5	5	2	✔
5DD7-K-3	K	K⁺	D2	ASP.	ASP.GLU.THR.TPS.	✔	2	4	2	✘