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
3NL3-MG-4	MG	Mg²⁺	D2T1	ASP.THR.	ASP.THR.	✔	3	3	2	✔
3OEU-MG-1	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.HOH.ILE.SER.	✘	4	5	2	✘
3OEU-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.HOH.SER.	✘	4	5	2	✘
3OEU-MG-3	MG	Mg²⁺	E1S2	GLU.SER.	GLU.HOH.SER.	✘	3	5	2	✘
3OEV-MG-1	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
3OEV-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
3OEV-MG-3	MG	Mg²⁺	E1S2	GLU.SER.	GLU.SER.	✘	3	3	2	✔
3O2E-MG-1	MG	Mg²⁺	H2I2	HIS.ILE.	HIS.HOH.ILE.	✔	4	6	2	✔
3NRT-MG-1	MG	Mg²⁺	D2	ASP.	ASP.	✔	2	2	2	✔
3O3F-MG-1	MG	Mg²⁺	E1T1	DT.GLU.	C.DT.GLU.HOH.	✘	2	5	2	✔
3WZV-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.IPM.	✔	2	5	2	✘
3WZV-MG-2	MG	Mg²⁺	D2	ASP.	ASP.HOH.IPM.	✔	2	5	2	✘
3WZW-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.IPM.	✔	2	5	2	✘
3WZW-MG-2	MG	Mg²⁺	D2	ASP.	ASP.HOH.IPM.	✔	2	5	2	✘
3WZX-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.IPM.	✔	2	5	2	✘
3WZX-MG-2	MG	Mg²⁺	D2	ASP.	ASP.HOH.IPM.	✔	2	5	2	✘
3WZY-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.IPM.	✔	2	5	2	✔
3WZY-MG-2	MG	Mg²⁺	D2	ASP.	ASP.HOH.IPM.	✔	2	5	2	✘
3ZDY-MG-1	MG	Mg²⁺	D1E1S1	ASP.GLU.SER.	ASP.GLU.HOH.SER.	✘	3	6	2	✔
3ZDB-MG-1	MG	Mg²⁺	A1C1I1	ALA.DC.ILE.	ALA.DC.HOH.ILE.	✘	3	6	2	✔