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
3UQ2-MG-1	MG	Mg²⁺	A1D2	ASP.DA.	ASP.DA.HOH.PPV.	✘	3	5	2	✔
3V9S-MG-1	MG	Mg²⁺	A1D1	ASP.DA.	ASP.DA.HOH.	✘	2	5	2	✔
3V9S-MG-2	MG	Mg²⁺	A1C1D1	ASP.DA.DC.	ASP.DA.DC.HOH.	✘	3	5	2	✘
3V9U-MG-1	MG	Mg²⁺	D2E1T1	ASP.DT.GLU.	ASP.DT.GLU.	✘	4	4	2	✔
3V9U-MG-2	MG	Mg²⁺	D2E1T1	ASP.DT.GLU.	ASP.DT.GLU.	✘	4	4	2	✔
3V9U-MG-3	MG	Mg²⁺	A1D1T1	ASP.DA.DT.	ASP.DA.DT.HOH.	✘	3	6	2	✔
3V9U-MG-4	MG	Mg²⁺	A1D1T1	ASP.DA.DT.	ASP.DA.DT.HOH.	✘	3	6	2	✘
3V9W-MG-1	MG	Mg²⁺	A1D1T1	ASP.DA.DT.	ASP.DA.DT.HOH.	✘	3	6	2	✔
3V9W-MG-2	MG	Mg²⁺	A1D1T1	ASP.DA.DT.	ASP.DA.DT.HOH.	✘	3	6	2	✘
3V9X-MG-1	MG	Mg²⁺	A1D1E1	ASP.DA.GLU.	ASP.DA.GLU.	✘	3	3	2	✔
3V9X-MG-2	MG	Mg²⁺	A1D1E1	ASP.DA.GLU.	ASP.DA.GLU.	✘	3	3	2	✔
3V9X-MG-3	MG	Mg²⁺	A2D1	ASP.DA.	ASP.DA.HOH.	✘	3	6	2	✔
3V9X-MG-4	MG	Mg²⁺	A2D1	ASP.DA.	ASP.DA.HOH.	✘	3	6	2	✔
3V9Z-MG-1	MG	Mg²⁺	C1D1	ASP.DC.	ASP.DC.HOH.	✘	2	5	2	✔
3V9Z-MG-2	MG	Mg²⁺	C1D1	ASP.DC.	ASP.DC.HOH.	✘	2	5	2	✘
3VI4-MG-1	MG	Mg²⁺	D1E1S2	ASP.GLU.SER.	ASP.GLU.SER.	✘	4	4	2	✔
2WIN-MG-1	MG	Mg²⁺	N1S2T1	ASN.SER.THR.	ASN.HOH.SER.THR.	✘	4	6	2	✔
2WIN-MG-2	MG	Mg²⁺	N1S2T1	ASN.SER.THR.	ASN.HOH.SER.THR.	✘	4	6	2	✘
2XCN-MG-1	MG	Mg²⁺	G1L1T1	GLY.LEU.THR.	ALA.HOH.	✘	3	4	2	✘
2XCP-MG-1	MG	Mg²⁺	D1G1	ASP.DG.	ASP.DG.HOH.	✘	2	3	2	✔