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
2P7V-MG-1	MG	Mg²⁺	E2R2	ARG.GLU.	ARG.GLU.HOH.	✔	4	6	2	✔
2OX6-MG-1	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	3	2	✔
2OX6-MG-2	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	4	2	✘
2OX6-MG-3	MG	Mg²⁺	E2	GLU.	GLU.	✔	2	2	2	✘
2PAN-MG-1	MG	Mg²⁺	E2F2	GLU.PHE.	GLU.PHE.	✔	4	4	2	✔
2PAN-MG-2	MG	Mg²⁺	E2F2	GLU.PHE.	GLU.PHE.	✔	4	4	2	✘
2PC5-MG-1	MG	Mg²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
2O3B-MG-1	MG	Mg²⁺	N1T1	ASN.THR.	ASN.HOH.THR.	✘	2	6	2	✔
2O6M-MG-1	MG	Mg²⁺	A1G1N1	ASN.DA.DG.	ASN.DA.DG.HOH.	✘	3	6	2	✔
2NVZ-MG-1	MG	Mg²⁺	D3	ASP.	ASP.UTP.	✘	3	4	2	✘
2OI6-MG-1	MG	Mg²⁺	D3	ASP.	ASP.HOH.	✔	3	6	3	✘
2OIW-MG-1	MG	Mg²⁺	S2T2	SER.THR.	HOH.SER.THR.	✔	4	6	2	✔
2OIW-MG-2	MG	Mg²⁺	S2T2	SER.THR.	HOH.SER.THR.	✔	4	6	2	✘
2IEC-MG-1	MG	Mg²⁺	C2	CYS.	CYS.HOH.	✔	2	6	2	✔
2IEC-MG-2	MG	Mg²⁺	C2	CYS.	CYS.HOH.	✔	2	5	2	✘
2IOU-MG-1	MG	Mg²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
2IOU-MG-2	MG	Mg²⁺	E3F3	GLU.PHE.	GLU.PHE.	✔	6	6	3	✘
2IOU-MG-3	MG	Mg²⁺	E3F3	GLU.PHE.	GLU.PHE.	✔	6	6	3	✘
2IOU-MG-4	MG	Mg²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
1NC7-MG-1	MG	Mg²⁺	T4	THR.	THR.	✔	4	4	4	✔