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
3VK5-MG-1	MG	Mg²⁺	A2F2L2	ALA.LEU.PHE.	ALA.LEU.PHE.	✔	6	6	2	✔
2WIA-MG-1	MG	Mg²⁺	D3	ASP.	ASP.	✔	3	3	3	✔
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	✘
2WSB-MG-1	MG	Mg²⁺	W2	TRP.	HOH.TRP.	✔	2	6	2	✔
2WSB-MG-2	MG	Mg²⁺	W2	TRP.	HOH.TRP.	✔	2	6	2	✘
2WTO-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.	✔	2	7	2	✘
2WTP-MG-1	MG	Mg²⁺	D2	ASP.	ASP.HOH.	✔	2	7	2	✔
2X98-MG-1	MG	Mg²⁺	D1S1	ASP.SER.	GLU.HOH.	✔	2	6	2	✔
2X98-MG-2	MG	Mg²⁺	D1S1	ASP.SER.	GLU.HOH.	✔	2	6	2	✘
2X98-MG-3	MG	Mg²⁺	D1S1	ASP.SER.	ASP.HOH.SER.	✔	2	7	2	✘
2X98-MG-4	MG	Mg²⁺	D1S1	ASP.SER.	ASP.HOH.SER.	✔	2	7	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	✔
2XCF-MG-1	MG	Mg²⁺	G1L1T1	GLY.LEU.THR.	GLY.HOH.LEU.THR.	✘	3	5	2	✔
2XCA-MG-1	MG	Mg²⁺	A1D1	ASP.DA.	ASP.DA.HOH.	✘	2	6	2	✔
2XE0-MG-1	MG	Mg²⁺	C2D1G1	ASP.DC.GLY.	ASP.DC.GLY.HOH.	✘	4	5	4	✔
2XE0-MG-2	MG	Mg²⁺	C4D2	ASP.DC.	ASP.DC.	✘	6	6	4	✘
2XMA-MG-1	MG	Mg²⁺	C1P1	DC.PRO.	DC.HOH.PRO.	✘	2	6	2	✔
2XMA-MG-2	MG	Mg²⁺	C1P1	DC.PRO.	DC.HOH.PRO.	✘	2	6	2	✘