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
6CR3-NA-1	NA	Na⁺	G1I1T1V1	DG.ILE.THR.VAL.	DG.HOH.ILE.THR.VAL.	✘	4	6	2	✘
6CR3-NA-2	NA	Na⁺	C1K1L1V1	DC.LEU.LYS.VAL.	DC.HOH.LEU.LYS.VAL.	✘	4	6	2	✘
6BDA-MG-1	MG	Mg²⁺	E1G2T1	DG.DT.GLU.GLY.	DG.DT.GLU.GLY.HOH.	✘	4	6	3	✔
6BDA-MG-2	MG	Mg²⁺	A2C1E1	ALA.DA.DC.GLU.	ALA.DA.DC.GLU.HOH.	✘	4	6	3	✔
6BDA-MG-3	MG	Mg²⁺	T3	DT.	DT.HOH.	✘	3	6	2	✔
6BDA-MG-4	MG	Mg²⁺	A1T2	DA.DT.	DA.DT.HOH.	✘	3	6	3	✔
6BEL-NA-1	NA	Na⁺	G1I1T1V1	DG.ILE.THR.VAL.	DG.HOH.ILE.THR.VAL.	✘	4	6	2	✘
6BEL-NA-2	NA	Na⁺	C1K1L1V1	DC.LEU.LYS.VAL.	DC.HOH.LEU.LYS.VAL.	✘	4	6	2	✘
6BEM-NA-1	NA	Na⁺	G1I1T1V1	DG.ILE.THR.VAL.	DG.HOH.ILE.THR.VAL.	✘	4	6	2	✔
6BEM-NA-2	NA	Na⁺	C1K1L1V1	DC.LEU.LYS.VAL.	DC.HOH.LEU.LYS.VAL.	✘	4	6	2	✘
6BKY-MG-1	MG	Mg²⁺	D3	ASP.	ASP.	✔	3	3	2	✘
6BKY-MG-2	MG	Mg²⁺	D3	ASP.	ASP.	✔	3	3	2	✘
6BL0-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.ICT.	✔	2	5	2	✔
6BL0-MG-2	MG	Mg²⁺	D2	ASP.	ASP.HOH.ICT.	✔	2	5	2	✘
6C07-K-1	K	K⁺	G2	GLY.	GLY.HOH.	✔	2	4	2	✔
6BRX-MG-1	MG	Mg²⁺	A1I1R1V1	ARG.DA.ILE.VAL.	ARG.DA.ILE.VAL.	✘	4	4	2	✔
6BRX-MG-2	MG	Mg²⁺	C1D1E1	ASP.DC.GLU.	0KX.ASP.DC.GLU.	✘	3	4	2	✔
6C3O-K-1	K	K⁺	F4	PHE.	PHE.	✔	4	4	4	✔
6C3O-K-2	K	K⁺	G3I4	GLY.ILE.	GLY.ILE.	✔	7	7	4	✔
6C3O-K-3	K	K⁺	T4	THR.	THR.	✔	4	4	4	✔