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
2AGO-MG-1	MG	Mg²⁺	D1G1	ASP.DG.	ASP.DG.HOH.POP.	✘	2	4	2	✔
2AGQ-MG-1	MG	Mg²⁺	D1E1X1	ASP.DOC.GLU.	ASP.DOC.GLU.HOH.	✘	3	6	2	✘
2CG4-MG-1	MG	Mg²⁺	D2	ASP.	ASP.	✔	2	2	2	✔
2CG4-MG-2	MG	Mg²⁺	D2	ASP.	ASP.	✔	2	2	2	✘
2CG4-MG-3	MG	Mg²⁺	D2	ASP.	ASP.	✔	2	2	2	✘
2CG4-MG-4	MG	Mg²⁺	D2	ASP.	ASP.	✔	2	2	2	✘
2D0O-MG-1	MG	Mg²⁺	D2E1T1	ASP.GLU.THR.	ASP.GLU.HOH.THR.	✘	4	5	2	✔
2D0O-MG-2	MG	Mg²⁺	D2E1T1	ASP.GLU.THR.	ASP.GLU.HOH.THR.	✘	4	5	2	✘
2DP7-K-1	K	K⁺	T2	DT.	DT.HOH.	✔	2	5	2	✘
3QQY-MG-1	MG	Mg²⁺	A2C1E1	ALA.DA.DC.GLU.	ALA.DA.DC.GLU.	✘	4	4	3	✔
3Q8P-MG-1	MG	Mg²⁺	C1I2K1	DC.ILE.LYS.	DC.HOH.ILE.LYS.	✘	4	6	2	✔
3Q8Q-MG-1	MG	Mg²⁺	C1I2K1	DC.ILE.LYS.	DC.HOH.ILE.LYS.	✘	4	6	2	✘
3PZP-MG-1	MG	Mg²⁺	C1I1R1	ARG.DC.ILE.	ARG.DC.ILE.	✘	3	3	2	✔
3QYF-MG-1	MG	Mg²⁺	D1E1	ASP.GLU.	ASP.GLU.HOH.	✔	2	5	2	✔
3QYF-MG-2	MG	Mg²⁺	D1E1	ASP.GLU.	ASP.GLU.HOH.	✔	2	4	2	✘
3RF6-MG-1	MG	Mg²⁺	G2Q2	GLN.GLY.	GLN.GLY.HOH.	✔	4	6	2	✘
3RJF-MG-1	MG	Mg²⁺	A1D3	ASP.DA.	ASP.DA.F2A.HOH.	✘	4	6	2	✘
3RJH-MG-1	MG	Mg²⁺	A1D3	ASP.DA.	6CF.ASP.DA.HOH.	✘	4	6	2	✘
3RJI-MG-1	MG	Mg²⁺	A1D3	ASP.DA.	6CF.ASP.DA.HOH.	✘	4	6	2	✘
3RJK-MG-1	MG	Mg²⁺	C1D3	ASP.DC.	6CF.ASP.DC.HOH.	✘	4	6	2	✘