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
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	✘
3N78-MG-1	MG	Mg²⁺	C1D1F1	ASP.DC.PHE.	ASP.DC.HOH.PHE.	✘	3	4	2	✔
3N78-MG-2	MG	Mg²⁺	C1D1F1	ASP.DC.PHE.	ASP.DC.PHE.	✘	3	3	2	✔
3N6Q-MG-1	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	3	2	✔
3N6Q-MG-2	MG	Mg²⁺	E2	GLU.	GLU.	✔	2	2	2	✘
3N6Q-MG-3	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	3	2	✘
3N6Q-MG-4	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	3	2	✘
3N6Q-MG-5	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	3	2	✘
3N6Q-MG-6	MG	Mg²⁺	E2	GLU.	GLU.	✔	2	2	2	✘
3N6Q-MG-7	MG	Mg²⁺	E2	GLU.	GLU.	✔	2	2	2	✘
3N6Q-MG-8	MG	Mg²⁺	E2	GLU.	GLU.	✔	2	2	2	✘
3N6Q-MG-9	MG	Mg²⁺	E2	GLU.	GLU.	✔	2	2	2	✘
3NGO-MG-1	MG	Mg²⁺	A1D1	ASP.DA.	ASP.DA.	✘	2	2	2	✔
3NGO-MG-2	MG	Mg²⁺	A1E1	DA.GLU.	DA.GLU.HOH.	✘	2	5	2	✔