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
3MDC-MG-1	MG	Mg²⁺	C1D3	ASP.DC.	ASP.DC.GTF.	✘	4	5	2	✔
3MDA-MG-1	MG	Mg²⁺	D2X1	ASP.CAR.	ASP.CAR.HOH.PPV.	✘	3	5	2	✔
3MG6-MG-1	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.HOH.ILE.SER.	✘	4	5	2	✘
3MG6-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
3MG6-MG-3	MG	Mg²⁺	E1S2	GLU.SER.	GLU.HOH.SER.	✘	3	4	2	✘
3MG7-MG-1	MG	Mg²⁺	S1Y1	SER.TYR.	SER.TYR.	✘	2	2	2	✔
3MG7-MG-2	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
3MG7-MG-3	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
3MG7-MG-4	MG	Mg²⁺	E1S2	GLU.SER.	GLU.SER.	✘	3	3	2	✔
3MG8-MG-1	MG	Mg²⁺	A1S1	ALA.SER.	ALA.SER.	✘	2	2	2	✔
3MG8-MG-2	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
3MG8-MG-3	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
3MG8-MG-4	MG	Mg²⁺	E1S2	GLU.SER.	GLU.SER.	✘	3	3	2	✔
3MR2-MG-1	MG	Mg²⁺	D2E1T1	ASP.DT.GLU.	ASP.DT.DZ4.GLU.HOH.	✘	4	6	2	✔
3MR3-MG-1	MG	Mg²⁺	D2E1T1	ASP.DT.GLU.	ASP.DT.DZ4.GLU.HOH.	✘	4	6	2	✔
3MR5-MG-1	MG	Mg²⁺	A1D2E1	ASP.DA.GLU.	ASP.DA.GLU.HOH.XG4.	✘	4	6	2	✔
3MR6-MG-1	MG	Mg²⁺	D2E1T1	ASP.DT.GLU.	ASP.DT.GLU.HOH.XG4.	✘	4	6	2	✔
3M7K-MG-1	MG	Mg²⁺	D1N1T1	ASN.ASP.DT.	ASN.ASP.DT.HOH.	✘	3	6	2	✔
3M7K-MG-2	MG	Mg²⁺	D1N1T1	ASN.ASP.DT.	ASN.ASP.DT.HOH.	✘	3	6	2	✘
3MQY-MG-1	MG	Mg²⁺	C1D1F1	ASP.DC.PHE.	ASP.DC.HOH.PHE.	✘	3	6	2	✔