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
3MQY-MG-2	MG	Mg²⁺	C1D1F1	ASP.DC.PHE.	ASP.DC.HOH.PHE.	✘	3	6	2	✔
3MQY-MG-3	MG	Mg²⁺	C1D1	ASP.DC.	ASP.DC.HOH.	✘	2	6	2	✘
3N4Q-MG-1	MG	Mg²⁺	D1N1	ASN.ASP.	ASN.ASP.	✔	2	2	2	✔
3N4Q-MG-2	MG	Mg²⁺	D1E1N1	ASN.ASP.GLU.	ASN.ASP.GLU.	✔	3	3	2	✔
3HZY-MG-1	MG	Mg²⁺	E1Y1	GLU.TYR.	GLU.HOH.TYR.	✘	2	3	2	✔
3IN5-MG-1	MG	Mg²⁺	I1R1T1V1	ARG.DT.ILE.VAL.	ARG.DT.ILE.VAL.	✘	4	4	2	✔
4F1H-MG-1	MG	Mg²⁺	E1T1	DT.GLU.	DT.GLU.HOH.	✘	2	4	2	✔
4DXP-MG-1	MG	Mg²⁺	E1N1	ASN.GLU.	ASN.GLU.	✔	2	2	2	✔
4DXP-MG-2	MG	Mg²⁺	E1N1	ASN.GLU.	ASN.GLU.	✔	2	2	2	✔
4DXP-MG-3	MG	Mg²⁺	E1N1	ASN.GLU.	ASN.GLU.	✔	2	2	2	✘
4DXP-MG-4	MG	Mg²⁺	E1N1	ASN.GLU.	ASN.GLU.	✔	2	2	2	✘
4ECR-MG-1	MG	Mg²⁺	D2E1T1	ASP.DT.GLU.	ASP.DT.DTP.GLU.HOH.	✘	4	6	2	✔
4ECS-MG-1	MG	Mg²⁺	A1D2M1	ASP.DA.MET.	ASP.DA.DPO.DTP.MET.	✘	4	6	2	✘
4ECT-MG-1	MG	Mg²⁺	A1D2M1	ASP.DA.MET.	ASP.DA.DTP.MET.	✘	4	5	2	✘
4ECU-MG-1	MG	Mg²⁺	A1D2M1	ASP.DA.MET.	ASP.DA.DTP.MET.	✘	4	5	2	✘
4ED8-MG-1	MG	Mg²⁺	A1D2E1	ASP.DA.GLU.	ASP.DA.DTP.GLU.HOH.	✘	4	6	2	✔
4EFC-MG-1	MG	Mg²⁺	D1L1S1	ASP.LEU.SER.	ASP.HOH.LEU.SER.	✔	3	4	2	✔
4EFC-MG-2	MG	Mg²⁺	D1L1S1	ASP.LEU.SER.	ASP.HOH.LEU.SER.	✔	3	4	2	✘
4EFC-MG-3	MG	Mg²⁺	D2L1S1	ASP.LEU.SER.	ASP.HOH.LEU.SER.	✔	4	5	2	✘
4EFC-MG-4	MG	Mg²⁺	D2L1S1	ASP.LEU.SER.	ASP.HOH.LEU.SER.	✔	4	5	2	✘