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
5A6Q-CA-3	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.GOL.	✔	5	6	2	✘
5A6Q-CA-4	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.GOL.	✔	5	6	2	✘
5A72-CA-1	CA	Ca²⁺	A1C1D1G1	ALA.ASP.DC.DG.	ALA.ASP.DC.DG.HOH.	✘	4	6	4	✔
5A72-CA-2	CA	Ca²⁺	A1C1D1G1	ALA.ASP.DC.DG.	ALA.ASP.DC.DG.HOH.	✘	4	6	4	✘
4G3I-CA-1	CA	Ca²⁺	C1D2E1	ASP.DC.GLU.	ASP.DC.GLU.	✘	4	4	2	✔
4FSJ-CA-1	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-2	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-3	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-4	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-5	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-6	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-7	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-8	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-9	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-10	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-11	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-12	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-13	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-14	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘
4FSJ-CA-15	CA	Ca²⁺	D2G1	ASP.GLY.	ASP.GLY.HOH.	✔	3	4	2	✘