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
4WK4-MG-1	MG	Mg²⁺	D1E1S2	ASP.GLU.SER.	ASP.GLU.HOH.SER.	✘	4	6	2	✔
4X04-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.	✔	2	6	2	✔
4X5V-MG-1	MG	Mg²⁺	A2I1S1	ALA.DA.ILE.SER.	ALA.DA.HOH.ILE.SER.	✘	4	6	2	✔
4Q8E-MG-1	MG	Mg²⁺	D2E1G1	ASP.DG.GLU.	0KX.ASP.DG.GLU.HOH.	✘	4	6	2	✔
4Q8F-MG-1	MG	Mg²⁺	C1D2E1	ASP.DC.GLU.	ASP.DC.GLU.HOH.XG4.	✘	4	6	2	✔
4QEL-MG-1	MG	Mg²⁺	L2N2R2	ARG.ASN.LEU.	ARG.ASN.LEU.	✔	6	6	2	✘
4QEL-MG-2	MG	Mg²⁺	L2N2R2	ARG.ASN.LEU.	ARG.ASN.LEU.	✔	6	6	2	✘
4QLQ-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	GLN.HOH.	✘	4	2	2	✘
4QLQ-MG-2	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ALA.ASP.SER.	✘	4	4	2	✘
4QLQ-MG-3	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ASP.ILE.SER.	✘	4	4	2	✘
4QLS-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
4QLS-MG-2	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
4QLS-MG-3	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
4QLT-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
4QLT-MG-2	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
4QLT-MG-3	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.HOH.SER.	✘	4	5	2	✘
4QLU-MG-1	MG	Mg²⁺	D1Q1	ASP.GLN.	ASP.GLN.HOH.	✘	2	3	2	✘
4QLU-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
4QLU-MG-3	MG	Mg²⁺	D2I1	ASP.ILE.	ASP.ILE.	✘	3	3	2	✘
4QLU-MG-4	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.HOH.SER.	✘	4	5	2	✘