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
3S2H-MG-1	MG	Mg²⁺	D3X1	2IA.ASP.	2IA.ASP.	✘	4	4	2	✔
1TJ5-MG-1	MG	Mg²⁺	D3X1	ASP.FRU.	ASP.FRU.PO4.	✘	4	5	2	✔
6IPG-MG-2	MG	Mg²⁺	D3X1	8OG.ASP.	8OG.ASP.HOH.	✘	4	5	2	✘
6IPD-MN-2	MN	Mn²⁺	D3X1	8OG.ASP.	8OG.ASP.HOH.	✘	4	6	2	✘
2NZM-CA-1	CA	Ca²⁺	D3X1	ADA.ASP.	ADA.ASP.HOH.	✘	4	6	2	✔
2O1D-CA-1	CA	Ca²⁺	D3X1	ADA.ASP.	ADA.ASP.HOH.	✘	4	6	2	✔
2O0V-CA-1	CA	Ca²⁺	D3X1	ADA.ASP.	ADA.ASP.HOH.	✘	4	6	2	✔
2O17-CA-1	CA	Ca²⁺	D3X1	ADA.ASP.	ADA.ASP.HOH.	✘	4	6	2	✔
3DED-CA-1	CA	Ca²⁺	D3X1	ASP.MSE.	ASP.HOH.MSE.	✔	4	7	2	✔
3DED-CA-3	CA	Ca²⁺	D3X1	ASP.MSE.	ASP.HOH.MSE.	✔	4	7	2	✘
5V1F-CA-1	CA	Ca²⁺	D3X1	8OG.ASP.	8OG.ASP.DCP.	✘	4	5	2	✔
6VF2-MG-1	MG	Mg²⁺	D3X1	8GM.ASP.	8GM.ASP.	✘	4	4	2	✘
7KTE-MG-1	MG	Mg²⁺	D3X1	8OG.ASP.	8DG.8OG.ASP.HOH.	✘	4	6	2	✔
7KTG-MG-2	MG	Mg²⁺	D3X1	8OG.ASP.	8OG.ASP.HOH.	✘	4	6	2	✔
7KT5-MN-2	MN	Mn²⁺	D3X1	8OG.ASP.	8OG.ASP.HOH.	✘	4	6	2	✘
7KT4-MN-1	MN	Mn²⁺	D3X1	8OG.ASP.	8DG.8OG.ASP.HOH.	✘	4	7	2	✘
7KT6-MN-2	MN	Mn²⁺	D3X1	8OG.ASP.	8OG.ASP.HOH.	✘	4	6	2	✘
6VF5-MN-2	MN	Mn²⁺	D3X1	8GM.ASP.	8GM.ASP.HOH.	✘	4	6	2	✘
6VF6-MN-1	MN	Mn²⁺	D3X1	8GM.ASP.	8GM.ASP.HOH.	✘	4	6	2	✔
6VFC-MN-2	MN	Mn²⁺	D3X1	8GM.ASP.	GLU.HOH.	✘	4	4	2	✘