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
6ET9-K-2	K	K⁺	E2	GLU.	GLU.	✔	2	2	2	✔
6CWO-MG-1	MG	Mg²⁺	N2	ASN.	ASN.	✔	2	2	2	✔
3IVK-CD-1	CD	Cd²⁺	D2	ASP.	ASP.	✘	2	2	2	✔
4Y70-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	GLN.HOH.	✘	4	2	2	✔
4Y8M-MG-1	MG	Mg²⁺	D1Q1	ASP.GLN.	ASP.GLN.	✘	2	2	2	✔
4YA7-MG-1	MG	Mg²⁺	A1D2S1	ALA.ASP.SER.	GLN.HOH.	✘	4	2	2	✘
4YA2-MG-1	MG	Mg²⁺	N1Q1	ASN.GLN.	ASN.GLN.	✘	2	2	2	✘
4YBZ-MG-1	MG	Mg²⁺	D1X1	ASP.NEP.	ASP.NEP.	✔	2	2	2	✔
5E63-MG-2	MG	Mg²⁺	C1G1	DC.GLY.	DC.GLY.	✘	2	2	2	✔
5OI2-MG-1	MG	Mg²⁺	Q1Y1	GLN.TYR.	HOH.ILE.	✔	2	2	2	✔
5OI2-MG-2	MG	Mg²⁺	Q1Y1	GLN.TYR.	HOH.ILE.	✔	2	2	2	✘
5UAH-MG-1	MG	Mg²⁺	D1E1	ASP.GLU.	ASP.GLU.	✘	2	2	2	✔
5EXC-MG-1	MG	Mg²⁺	G1N1	ASN.GLY.	ASN.GLY.	✘	2	2	2	✔
5EXC-MG-2	MG	Mg²⁺	E1V1	GLU.VAL.	GLU.VAL.	✘	2	2	2	✔
5GKI-MG-1	MG	Mg²⁺	E1G1	DG.GLU.	DG.GLU.	✘	2	2	2	✔
5GKF-MG-2	MG	Mg²⁺	C1E1	DC.GLU.	DC.GLU.	✘	2	2	2	✘
5GKH-MG-2	MG	Mg²⁺	A1E1	DA.GLU.	DA.GLU.	✘	2	2	2	✔
5GKG-MG-2	MG	Mg²⁺	C1E1	DC.GLU.	DC.GLU.	✘	2	2	2	✘
5L8F-MG-4	MG	Mg²⁺	E2	GLU.	GLU.	✔	2	2	2	✘
5D5G-MG-1	MG	Mg²⁺	G1P1	GLY.PRO.	GLY.PRO.	✘	2	2	2	✔