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
5LJX-K-2	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
5LJX-K-3	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
7B12-NA-1	NA	Na⁺	D2S1T1	ASP.SER.THR.	ASP.HOH.SER.THR.	✘	4	5	2	✔
7B12-NA-2	NA	Na⁺	D2S1T1	ASP.SER.THR.	ASP.SER.THR.	✘	4	4	2	✘
7B12-NA-3	NA	Na⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✔
7B12-NA-4	NA	Na⁺	D2I1S1	ASP.ILE.SER.	ASP.ILE.SER.	✘	4	4	2	✔
5LK2-K-1	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✔
5LK2-K-2	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
5LK2-K-3	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✔
5LK3-K-1	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
5LK3-K-2	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
5LK3-K-3	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
5LK1-K-1	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
5LK1-K-2	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
5LK1-K-3	K	K⁺	D1F1G1Y1	ASP.GLY.PHE.TYR.	ASP.GLY.HOH.PHE.TYR.	✔	4	5	2	✘
7ROJ-NA-1	NA	Na⁺	E2V1	GLU.VAL.	GLU.VAL.	✔	3	3	2	✔
7REC-NA-1	NA	Na⁺	T1Y1	THR.TYR.	THR.TYR.	✔	2	2	2	✔
7REC-NA-2	NA	Na⁺	T1Y1	THR.TYR.	THR.TYR.	✔	2	2	2	✔
7RBG-CA-1	CA	Ca²⁺	C1K1L1V1	DC.LEU.LYS.VAL.	DC.HOH.LEU.LYS.VAL.	✘	4	6	2	✘
7RBG-CA-2	CA	Ca²⁺	G1I1T1V1	DG.ILE.THR.VAL.	DG.HOH.ILE.THR.VAL.	✘	4	6	2	✘