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
5UDG-MG-3	MG	Mg²⁺	D1R1	ARG.ASP.	ARG.ASP.HOH.	✔	2	3	2	✔
5UDG-MG-4	MG	Mg²⁺	D1R1	ARG.ASP.	ARG.ASP.HOH.	✔	2	3	2	✔
5UDG-MG-5	MG	Mg²⁺	D1R2	ARG.ASP.	ARG.ASP.HOH.	✔	3	4	2	✔
5UDG-MG-6	MG	Mg²⁺	D1R2	ARG.ASP.	ARG.ASP.HOH.	✔	3	4	2	✘
5UGP-MG-1	MG	Mg²⁺	C1D3	ASP.DC.	8CP.ASP.DC.HOH.	✘	4	6	2	✘
5MAC-MG-1	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.	✔	4	4	2	✔
5MAC-MG-2	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.	✔	4	4	2	✘
5MAC-MG-3	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✘
5MAC-MG-4	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✘
5MAC-MG-5	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✘
5MAC-MG-6	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✘
5MAC-MG-7	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✘
5MAC-MG-8	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✘
5MAC-MG-9	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✔
5MAC-MG-10	MG	Mg²⁺	D3E1	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✔
5BOU-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.SER.	✘	4	4	2	✘
5BOU-MG-2	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	ALA.ASP.HOH.SER.	✘	4	5	2	✘
5BOU-MG-3	MG	Mg²⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✘
5BOL-NA-1	NA	Na⁺	G1I1T1V1	DG.ILE.THR.VAL.	DG.HOH.ILE.THR.VAL.	✘	4	6	2	✘
5AXM-MG-1	MG	Mg²⁺	D2X1	ASP.GTP.	ASP.GTP.HOH.	✘	3	4	2	✔