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
6BS1-MG-1	MG	Mg²⁺	C1I1R1V1	ARG.DC.ILE.VAL.	ARG.DC.HOH.ILE.VAL.	✘	4	5	2	✔
6BS1-MG-2	MG	Mg²⁺	C1D1E1	ASP.DC.GLU.	ASP.DC.DZ4.GLU.	✘	3	4	2	✔
6BTF-NA-1	NA	Na⁺	G1I1T1V1	DG.ILE.THR.VAL.	DG.HOH.ILE.THR.VAL.	✘	4	6	2	✔
6BTF-NA-2	NA	Na⁺	C1K1L1V1	DC.LEU.LYS.VAL.	DC.HOH.LEU.LYS.VAL.	✘	4	6	2	✔
6C6Q-MG-1	MG	Mg²⁺	D1G1K1N1	ASN.ASP.GLY.LYS.	ASN.ASP.GLY.HOH.LYS.	✘	4	5	2	✔
6C6Q-MG-2	MG	Mg²⁺	D1G1K1N1	ASN.ASP.GLY.LYS.	ASN.ASP.GLY.HOH.LYS.	✘	4	5	2	✘
4WB2-CA-1	CA	Ca²⁺	D1X3	0G.0U.ASP.	0G.0U.ASP.HOH.	✘	4	7	2	✔
4WB3-CA-1	CA	Ca²⁺	D1X3	0G.0U.ASP.	0G.0U.ASP.HOH.	✘	4	7	2	✘
4URE-MG-1	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	7	2	✘
4URE-MG-2	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	7	2	✘
4URF-MG-1	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	7	2	✔
4URF-MG-2	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	7	2	✘
4V44-NA-1	NA	Na⁺	D1F1X1	2FG.ASP.PHE.	2FG.ASP.HOH.PHE.	✘	3	4	2	✔
5HQB-CA-1	CA	Ca²⁺	E3Q1X2	GLC.GLN.GLU.	GLC.GLN.GLU.	✘	6	6	2	✔
5HRO-MG-1	MG	Mg²⁺	D3G1	ASP.DG.	3JY.ASP.DG.	✘	4	5	2	✔
5HT2-MG-1	MG	Mg²⁺	E1X1	EDA.GLU.	EDA.GLU.HOH.	✘	2	6	2	✔
5HT2-MG-2	MG	Mg²⁺	E1X1	EDA.GLU.	EDA.GLU.HOH.	✘	2	6	2	✘
5HU3-MG-1	MG	Mg²⁺	D1N1X1	ASN.ASP.TPO.	ADP.ASN.ASP.HOH.TPO.	✘	3	5	2	✔
4YG2-MG-1	MG	Mg²⁺	A1D1E1	ALA.ASP.GLU.	ALA.ASP.GLU.	✘	3	3	2	✔
4YFK-MG-1	MG	Mg²⁺	A1D1E1	ALA.ASP.GLU.	ALA.ASP.GLU.	✘	3	3	2	✔