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
4M35-MG-4	MG	Mg²⁺	D3N3	ASN.ASP.	ASN.ASP.	✔	6	6	3	✘
1YU3-MG-1	MG	Mg²⁺	F3	PHE.	PHE.	✔	3	3	3	✘
6HKV-MG-1	MG	Mg²⁺	E1S1	GLU.SER.	GLU.HOH.SER.	✔	2	6	2	✘
6HLF-MN-1	MN	Mn²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
6HLF-MN-2	MN	Mn²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
6K1E-MG-1	MG	Mg²⁺	D2E1	ASP.GLU.	ASP.GLU.HOH.	✔	3	5	2	✔
6K1E-MG-2	MG	Mg²⁺	D2E1	ASP.GLU.	ASP.GLU.HOH.	✔	3	4	2	✘
6K1A-MN-1	MN	Mn²⁺	D2E1	ASP.GLU.	ASP.GLU.HOH.	✔	3	6	2	✔
6K1A-MN-2	MN	Mn²⁺	D2E1	ASP.GLU.	ASP.GLU.HOH.	✔	3	5	2	✘
6JRG-MG-1	MG	Mg²⁺	E2T1	DT.GLU.	DT.GLU.HOH.	✘	3	5	2	✔
6JRG-MG-2	MG	Mg²⁺	C1E1	DC.GLU.	DC.GLU.HOH.	✘	2	3	2	✔
6JUL-MG-1	MG	Mg²⁺	C1D2E1	ASP.DC.GLU.	0KX.ASP.DC.GLU.	✘	4	5	2	✔
6JUN-MG-1	MG	Mg²⁺	C1D1E1	ASP.DC.GLU.	0KX.ASP.DC.GLU.HOH.	✘	3	5	2	✘
6JUM-MG-1	MG	Mg²⁺	C1D2E1	ASP.DC.GLU.	0KX.ASP.DC.GLU.HOH.	✘	4	6	2	✔
6JUO-MG-1	MG	Mg²⁺	C1D2E1	ASP.DC.GLU.	0KX.ASP.DC.GLU.	✘	4	5	2	✔
6JX2-MG-1	MG	Mg²⁺	D1E3	ASP.GLU.	ASP.GLU.	✔	4	4	2	✘
6JX2-MG-2	MG	Mg²⁺	D1E2	ASP.GLU.	ASP.GLU.	✔	3	3	2	✘
4Y70-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	GLN.HOH.	✘	4	2	2	✔
4Y70-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.HOH.SER.	✘	4	5	2	✔
4Y70-MG-3	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ALA.ASP.SER.	✘	4	4	2	✘