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
4MDE-MG-1	MG	Mg²⁺	C1S1	DC.SER.	DC.GDP.HOH.SER.	✘	2	6	2	✔
4MDE-MG-2	MG	Mg²⁺	C1S1	DC.SER.	DC.GDP.HOH.SER.	✘	2	6	2	✘
4MFG-MG-1	MG	Mg²⁺	N3	ASN.	ASN.HOH.	✔	3	6	3	✔
4MFA-MG-1	MG	Mg²⁺	D1T1	ASP.DT.	ASP.DT.	✘	2	2	2	✔
4M04-MG-1	MG	Mg²⁺	A1D3	ASP.DA.	ASP.DA.DUP.HOH.	✘	4	6	2	✘
4LNJ-MG-1	MG	Mg²⁺	A1S2	ALA.SER.	ALA.HOH.SER.	✔	3	5	2	✔
4LNJ-MG-2	MG	Mg²⁺	A1S2	ALA.SER.	ALA.HOH.SER.	✔	3	5	2	✘
4LNK-MG-1	MG	Mg²⁺	E3	GLU.	GLU.HOH.	✔	3	5	2	✔
4LNK-MG-2	MG	Mg²⁺	E3	GLU.	GLU.HOH.	✔	3	5	2	✘
4LNL-MG-1	MG	Mg²⁺	Q1S1T3	GLN.SER.THR.	GLN.SER.THR.	✔	5	5	2	✔
4LNL-MG-2	MG	Mg²⁺	Q1S1T3	GLN.SER.THR.	GLN.SER.THR.	✔	5	5	2	✘
4LNL-MG-3	MG	Mg²⁺	Q1S1T3	GLN.SER.THR.	GLN.SER.THR.	✔	5	5	2	✘
4LNL-MG-4	MG	Mg²⁺	Q1S1T3	GLN.SER.THR.	GLN.SER.THR.	✔	5	5	2	✘
4LNL-MG-5	MG	Mg²⁺	A1S2	ALA.SER.	ALA.HOH.SER.	✔	3	4	2	✘
4LNL-MG-6	MG	Mg²⁺	A1S2	ALA.SER.	ALA.HOH.SER.	✔	3	4	2	✘
4KSA-MG-1	MG	Mg²⁺	H2	HIS.	HIS.	✔	2	2	2	✔
2V3W-MG-1	MG	Mg²⁺	L2N2R2	ARG.ASN.LEU.	ARG.ASN.LEU.	✔	6	6	2	✘
2V3W-MG-2	MG	Mg²⁺	L2N2R2	ARG.ASN.LEU.	ARG.ASN.LEU.	✔	6	6	2	✘
2UXR-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.ICT.	✔	2	4	2	✘
2UXR-MG-2	MG	Mg²⁺	D2	ASP.	ASP.ICT.	✔	2	3	2	✘