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
7SQC-MG-2	MG	Mg²⁺	E1N1	ASN.GLU.	ASN.GLU.GTP.	✘	2	3	2	✘
7SGZ-MG-1	MG	Mg²⁺	E1T1	GLU.THR.	AGS.GLU.THR.	✘	2	3	2	✔
7RXV-K-1	K	K⁺	A1D1E1	ALA.ASP.GLU.	ALA.ASP.GLU.HOH.MLA.	✔	3	5	2	✘
7RXV-K-2	K	K⁺	A1D1E1	ALA.ASP.GLU.	ALA.ASP.GLU.HOH.MLA.	✔	3	5	2	✔
7RXX-K-1	K	K⁺	A1D1E1	ALA.ASP.GLU.	ALA.ASP.GLU.HOH.	✔	3	5	2	✘
7RXX-K-2	K	K⁺	A1D1E1	ALA.ASP.GLU.	ALA.ASP.GLU.HOH.	✔	3	5	2	✘
7RXW-K-1	K	K⁺	A1D1E1	ALA.ASP.GLU.	2PN.ALA.ASP.GLU.HOH.	✔	3	5	2	✔
7RXW-K-2	K	K⁺	A1D1E1	ALA.ASP.GLU.	2PN.ALA.ASP.GLU.HOH.	✔	3	5	2	✘
7RDU-MG-1	MG	Mg²⁺	D1E2	ASP.GLU.	ASP.GLU.HOH.	✔	3	6	2	✘
7RDU-MG-2	MG	Mg²⁺	D1E2	ASP.GLU.	ASP.GLU.HOH.	✔	3	6	2	✘
7RBL-MG-1	MG	Mg²⁺	C2D3	ASP.DC.	ASP.DC.HOH.	✘	5	6	2	✘
7RBL-MG-2	MG	Mg²⁺	C1D2	ASP.DC.	ASP.DC.HOH.PPV.	✘	3	5	2	✔
7RBK-MG-1	MG	Mg²⁺	C1D3	ASP.DC.	ASP.DCP.HOH.PPV.	✘	4	5	2	✘
7RBK-MG-2	MG	Mg²⁺	C1K1L1V1	DC.LEU.LYS.VAL.	ASP.DC.DCP.HOH.	✘	4	6	2	✔
7RBJ-MG-1	MG	Mg²⁺	C1D3	ASP.DC.	ASP.DC.DCP.HOH.	✘	4	6	2	✘
7QZ2-CD-1	CD	Cd²⁺	D1E1	ASP.GLU.	ASP.GLU.HOH.	✔	2	4	2	✔
7QZ2-CD-2	CD	Cd²⁺	D1E1	ASP.GLU.	ASP.GLU.HOH.	✔	2	3	2	✘
7QOW-MG-1	MG	Mg²⁺	A1G1Q1S1	ALA.GLN.GLY.SER.	ALA.GLN.GLY.HOH.SER.	✔	4	5	2	✔
7QOW-MG-2	MG	Mg²⁺	A1G1Q1S1	ALA.GLN.GLY.SER.	ALA.GLN.GLY.HOH.SER.	✔	4	5	2	✘
7QP8-MG-1	MG	Mg²⁺	A1G1Q1S1	ALA.GLN.GLY.SER.	ALA.GLN.GLY.HOH.SER.	✔	4	5	2	✘