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
4D6O-MG-2	MG	Mg²⁺	C1E1G2	DC.DG.GLU.GLY.	DC.DG.GLU.GLY.HOH.	✘	4	5	3	✔
4CW7-MG-1	MG	Mg²⁺	D2E2	ASP.GLU.	ASP.GLU.	✘	4	4	2	✔
4CHG-MG-1	MG	Mg²⁺	D1E1	ASP.GLU.	ASP.GLU.HOH.	✘	2	6	2	✔
4CHG-MG-2	MG	Mg²⁺	D1E1	ASP.GLU.	ASP.GLU.HOH.	✘	2	6	2	✘
4DHQ-MG-1	MG	Mg²⁺	E1K1Q1	GLN.GLU.LYS.	GLN.GLU.HOH.LYS.	✔	3	6	2	✔
4DHQ-MG-2	MG	Mg²⁺	E1K1Q1	GLN.GLU.LYS.	GLN.GLU.HOH.LYS.	✔	3	6	2	✘
4DHR-MG-1	MG	Mg²⁺	E1Q1	GLN.GLU.	GLN.GLU.HOH.	✔	2	3	2	✔
4DHR-MG-2	MG	Mg²⁺	E1Q1	GLN.GLU.	GLN.GLU.HOH.	✔	2	3	2	✘
4DHU-MG-1	MG	Mg²⁺	E1Q1	GLN.GLU.	GLN.GLU.HOH.	✔	2	4	2	✘
4DHU-MG-2	MG	Mg²⁺	E1Q1	GLN.GLU.	GLN.GLU.HOH.	✔	2	4	2	✘
4DL4-MG-1	MG	Mg²⁺	D2E1G1	ASP.DG.GLU.	0KX.ASP.DG.GLU.HOH.	✘	4	6	2	✔
4DL5-MG-1	MG	Mg²⁺	C1D2E1	ASP.DC.GLU.	0KX.ASP.DC.GLU.	✘	4	5	2	✘
4DL6-MG-1	MG	Mg²⁺	C1D2E1	ASP.DC.GLU.	ASP.DC.GLU.HOH.XG4.	✘	4	6	2	✔
4DL2-MG-1	MG	Mg²⁺	D2E1G1	ASP.DG.GLU.	0KX.ASP.MET.	✘	4	4	2	✘
4DL3-MG-1	MG	Mg²⁺	C1D2E1	ASP.DC.GLU.	0KX.ASP.MET.	✘	4	4	2	✔
4DLV-MG-1	MG	Mg²⁺	D2R2	ARG.ASP.	ARG.ASP.HOH.	✔	4	5	2	✔
4DLV-MG-2	MG	Mg²⁺	D2R2	ARG.ASP.	ARG.ASP.HOH.	✔	4	5	2	✘
4DLV-MG-3	MG	Mg²⁺	D2R2	ARG.ASP.	ARG.ASP.HOH.	✔	4	5	2	✘
4DLX-MG-1	MG	Mg²⁺	D2R2	ARG.ASP.	ARG.ASP.	✔	4	4	2	✘
4DLX-MG-2	MG	Mg²⁺	D2R2	ARG.ASP.	ARG.ASP.	✔	4	4	2	✘