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
6IM0-CA-4	CA	Ca²⁺	D1E3	ASP.GLU.	ASP.GLU.	✔	4	4	2	✔
6IM0-CA-5	CA	Ca²⁺	D1E3	ASP.GLU.	ASP.GLU.HOH.	✔	4	5	2	✘
6E4Z-ZN-1	ZN	Zn²⁺	D1E1	ASP.GLU.	ASP.GLU.	✘	2	2	2	✔
6E4Y-ZN-1	ZN	Zn²⁺	D1E1	ASP.GLU.	ASP.GLU.	✘	2	2	2	✘
6EGP-PB-1	PB	Pb²⁺	C3	CYS.	CYS.	✔	3	3	3	✔
6EGO-HG-1	HG	Hg²⁺	C3	CYS.	CYS.	✔	3	3	3	✘
6EKE-ZN-1	ZN	Zn²⁺	D2M1	ASP.MET.	ASP.MET.	✔	3	3	2	✔
6ENB-ZN-1	ZN	Zn²⁺	E1P1	GLU.PRO.	GLU.PRO.	✘	2	2	2	✔
6EU4-ZN-1	ZN	Zn²⁺	H3	HIS.	HIS.	✔	3	3	3	✔
6EY5-ZN-1	ZN	Zn²⁺	D2	ASP.	ASP.	✔	2	2	2	✔
6CYT-ZN-1	ZN	Zn²⁺	C4	CYS.	CYS.	✘	4	4	2	✔
6DBO-CA-1	CA	Ca²⁺	A1C1D1	ASP.DA.DC.	ASP.DA.DC.	✘	3	3	2	✔
6DBO-CA-2	CA	Ca²⁺	A1C1D1	ASP.DA.DC.	ASP.DA.DC.	✘	3	3	2	✔
6DBQ-CA-1	CA	Ca²⁺	A1E1	DA.GLU.	DA.GLU.	✘	2	2	2	✔
6DBQ-CA-2	CA	Ca²⁺	C1D1E1	ASP.DC.GLU.	ASP.DC.GLU.	✘	3	3	2	✔
6DBQ-CA-3	CA	Ca²⁺	A1C1E1	DA.DC.GLU.	DA.DC.GLU.	✘	3	3	2	✔
6DBR-CA-1	CA	Ca²⁺	A1C1D1	ASP.DA.DC.	ASP.DA.DC.	✘	3	3	2	✔
6DBI-CA-1	CA	Ca²⁺	A1D1	ASP.DA.	ASP.DA.	✘	2	2	2	✘
6DBI-CA-2	CA	Ca²⁺	A1E1	DA.GLU.	DA.GLU.	✘	2	2	2	✔
6DBI-CA-3	CA	Ca²⁺	D1T1	ASP.DT.	ASP.DT.	✘	2	2	2	✔