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
5HLK-NA-2	NA	Na⁺	T2	DT.THR.	DT.HOH.THR.	✘	2	4	2	✘
2SHK-MG-1	MG	Mg²⁺	A1G2R2	ALA.ARG.GLY.	ALA.GLN.HOH.	✔	5	5	2	✘
2R6T-MG-1	MG	Mg²⁺	D1I1	ASP.ILE.	ASP.ATP.ILE.	✔	2	3	2	✘
2R6T-MG-2	MG	Mg²⁺	D1I1	ASP.ILE.	ASP.ATP.ILE.	✔	2	3	2	✘
2R6T-MG-3	MG	Mg²⁺	D1I1	ASP.ILE.	ASP.ATP.ILE.	✔	2	3	2	✘
2R6X-MG-1	MG	Mg²⁺	D1I1	ASP.ILE.	ASP.ATP.HOH.ILE.	✔	2	4	2	✘
2R6X-MG-2	MG	Mg²⁺	D1I1	ASP.ILE.	ASP.ATP.HOH.ILE.	✔	2	4	2	✘
2R6X-MG-3	MG	Mg²⁺	D1I1	ASP.ILE.	ASP.ATP.HOH.ILE.	✔	2	4	2	✘
2R8D-MG-2	MG	Mg²⁺	D3	ASP.	ASP.HOH.	✔	3	6	2	✘
2Q0Y-MG-2	MG	Mg²⁺	E2	GLU.	GLU.HOH.	✔	2	5	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-2	MG	Mg²⁺	E2F2	GLU.PHE.	GLU.PHE.	✔	4	4	2	✘
2PC5-MG-1	MG	Mg²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
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-2	MG	Mg²⁺	S2T2	SER.THR.	HOH.SER.THR.	✔	4	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	✘