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
5BKN-MG-21	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘
5BKN-MG-22	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✘
5BKN-MG-23	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✘
5BKN-MG-24	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✘
7EJI-MG-1	MG	Mg²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
7EJI-MG-2	MG	Mg²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
7EJH-MG-1	MG	Mg²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
7EJH-MG-2	MG	Mg²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
7EJJ-MG-1	MG	Mg²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
7EJJ-MG-2	MG	Mg²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
7DPI-MG-1	MG	Mg²⁺	D1E2	ASP.GLU.	ASP.GLU.	✘	3	3	2	✔
8GRD-MG-1	MG	Mg²⁺	D3	ASP.	ASP.HOH.	✘	3	4	2	✘
7DLD-MG-1	MG	Mg²⁺	P2	PRO.	HOH.PRO.	✔	2	6	2	✔
7DLD-MG-2	MG	Mg²⁺	P2	PRO.	HOH.PRO.	✔	2	5	2	✘
8D87-HO-1	HO	Ho	D3	ASP.	ASP.	✔	3	3	3	✔
7UAO-ZN-1	ZN	Zn²⁺	C4	CYS.	CYS.	✔	4	4	2	✘
7TSK-ZN-1	ZN	Zn²⁺	C4	CYS.	CYS.	✔	4	4	2	✘
7M56-ZN-1	ZN	Zn²⁺	C4	CYS.	CYS.	✔	4	4	2	✘
7TSM-ZN-1	ZN	Zn²⁺	C4	CYS.	CYS.	✔	4	4	2	✘
7TSL-ZN-1	ZN	Zn²⁺	C4	CYS.	CYS.	✔	4	4	2	✘