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
5A95-NA-1	NA	Na⁺	M1T1	MET.THR.	HOH.MET.THR.	✔	2	3	2	✔
5AHJ-MG-1	MG	Mg²⁺	A1D2	ALA.ASP.	ALA.ASP.	✘	3	3	2	✘
5AHJ-MG-2	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
5AHJ-MG-3	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5AKM-MG-1	MG	Mg²⁺	A2C1D1	ALA.ASP.DA.DC.	ALA.ASP.DA.DC.HOH.	✘	4	5	3	✔
5C6T-MG-1	MG	Mg²⁺	D3	ASP.	ASP.	✔	3	3	3	✔
5BXL-MG-1	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✔
5BXL-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5BXL-MG-3	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5BXL-MG-4	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
5CCT-MG-1	MG	Mg²⁺	D3	ASP.	DUP.HOH.	✔	3	4	3	✔
5CC8-K-1	K	K⁺	A1D2M1V1	ALA.ASP.MET.VAL.	ALA.ASP.MET.VAL.	✔	5	5	2	✔
5CC8-K-2	K	K⁺	A1D2M1V1	ALA.ASP.MET.VAL.	ANP.ASP.HOH.	✔	5	5	2	✘
5CGF-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.HOH.SER.	✘	4	4	2	✘
5CGF-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CGF-MG-3	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CGH-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CGH-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5CGH-MG-3	MG	Mg²⁺	D2W1	ASP.TRP.	ASP.TRP.	✘	3	3	2	✔
5CHG-MG-1	MG	Mg²⁺	A1I1S1T1	ALA.DT.ILE.SER.	ALA.DT.ILE.SER.	✘	4	4	2	✘