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
6OLY-CA-8	CA	Ca²⁺	D1E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.	✔	3	3	2	✘
6OLY-CA-9	CA	Ca²⁺	D1E2R1	ARG.ASP.GLU.	ARG.ASP.GLU.HOH.	✔	4	5	2	✘
6OLY-CA-10	CA	Ca²⁺	D1E2R1	ARG.ASP.GLU.	ARG.ASP.GLU.HOH.	✔	4	5	2	✘
6OLY-CA-11	CA	Ca²⁺	D1E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.	✔	3	3	2	✔
6OLY-CA-12	CA	Ca²⁺	D1E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.	✔	3	3	2	✘
6OLY-CA-13	CA	Ca²⁺	D1E2R1	ARG.ASP.GLU.	ARG.ASP.GLU.	✔	4	4	2	✔
6OLY-CA-14	CA	Ca²⁺	D1E2R1	ARG.ASP.GLU.	ARG.ASP.GLU.	✔	4	4	2	✘
6OLY-CA-15	CA	Ca²⁺	D1E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.	✔	3	3	2	✘
6OLY-CA-16	CA	Ca²⁺	D1E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.	✔	3	3	2	✘
1B94-CA-1	CA	Ca²⁺	A1D2	ASP.DA.	ASP.DA.HOH.	✘	3	6	2	✔
1B94-CA-2	CA	Ca²⁺	A1D2	ASP.DA.	ASP.DA.HOH.	✘	3	8	2	✔
1AZ0-CA-1	CA	Ca²⁺	A1D2	ASP.DA.	ASP.DA.HOH.	✘	3	6	2	✔
1AZ0-CA-2	CA	Ca²⁺	A1D2	ASP.DA.	ASP.DA.HOH.	✘	3	5	2	✘
1BJJ-CA-1	CA	Ca²⁺	D2E2I2	ASP.GLU.ILE.	ASP.GLU.ILE.	✔	6	6	2	✔
1C3H-CA-1	CA	Ca²⁺	D3N1Q1V1	ASN.ASP.GLN.VAL.	ASN.ASP.GLN.VAL.	✔	6	6	2	✔
1C3H-CA-2	CA	Ca²⁺	D3N1Q1V1	ASN.ASP.GLN.VAL.	ASN.ASP.GLN.VAL.	✔	6	6	2	✘
1C3H-CA-3	CA	Ca²⁺	D3N1Q1V1	ASN.ASP.GLN.VAL.	ASN.ASP.GLN.VAL.	✔	6	6	2	✘
1BSU-CA-1	CA	Ca²⁺	D2X1	ASP.DI.	ASP.DI.HOH.	✘	3	6	2	✔
1BSU-CA-2	CA	Ca²⁺	D2X1	ASP.DI.	ASP.DI.HOH.	✘	3	6	2	✔
1C8D-CA-1	CA	Ca²⁺	D2	ASP.	ASP.	✔	2	2	2	✘