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
1TK6-MG-7	MG	Mg²⁺	E1Q1	GLN.GLU.	GLN.HOH.	✔	2	2	2	✔
1TK6-MG-8	MG	Mg²⁺	E1Q1	GLN.GLU.	GLN.HOH.	✔	2	2	2	✘
1TK6-MG-9	MG	Mg²⁺	E1Q1	GLN.GLU.	GLN.HOH.	✔	2	2	2	✘
1U0C-MG-1	MG	Mg²⁺	A1C1D2G2	ASP.DA.DC.DG.	ASP.DA.DC.DG.	✘	6	6	4	✔
1U0C-MG-2	MG	Mg²⁺	A1D1G2	ASP.DA.DG.GLY.	ASP.DA.DG.GLY.HOH.	✘	4	6	4	✔
1U0C-MG-3	MG	Mg²⁺	C1D1G2	ASP.DC.DG.GLY.	ASP.DC.DG.GLY.HOH.	✘	4	6	4	✘
1VL8-MG-1	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	6	2	✔
1VL8-MG-2	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	6	2	✘
2ZTU-MG-1	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	6	2	✘
2ZTU-MG-2	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	4	2	✔
2ZTV-MG-1	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	6	2	✘
2ZTV-MG-2	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	6	2	✘
2ZTL-MG-1	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	6	2	✔
2ZTL-MG-2	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	6	2	✘
2ZTM-MG-1	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	5	2	✘
2ZTM-MG-2	MG	Mg²⁺	R2	ARG.	ARG.HOH.	✔	2	6	2	✘
3A4K-MG-1	MG	Mg²⁺	A2D1	ASP.DA.	ASP.DA.HOH.	✘	3	6	3	✔
3A4K-MG-2	MG	Mg²⁺	A2D1	ASP.DA.	ASP.DA.HOH.	✘	3	6	3	✘
3E54-MG-1	MG	Mg²⁺	A2E1G1	ALA.DA.DG.GLU.	ALA.DA.DG.GLU.	✘	4	4	4	✔
3E54-MG-2	MG	Mg²⁺	A2E2G1	DA.DG.GLU.	DA.DG.GLU.	✘	5	5	5	✔