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
8D1O-CA-3	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.	✔	5	5	2	✘
8D1O-CA-4	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.	✔	5	5	2	✘
8D1O-CA-5	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.	✔	5	5	2	✘
8BAY-CA-1	CA	Ca²⁺	D2	ASP.	ASP.HOH.QD8.QDC.	✔	2	6	2	✘
8BAY-CA-2	CA	Ca²⁺	D2	ASP.	ASP.HOH.QD8.QDC.	✔	2	6	2	✘
8AIJ-CA-1	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.M9I.	✔	5	6	2	✘
8AIJ-CA-2	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.M9I.	✔	5	6	2	✘
8AIJ-CA-3	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.M9I.	✔	5	6	2	✘
8AIJ-CA-4	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.M9I.	✔	5	6	2	✘
8AIY-CA-1	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.MJO.	✔	5	6	2	✘
8AIY-CA-2	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.MJO.	✔	5	6	2	✘
8AIY-CA-3	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.MJO.	✔	5	6	2	✘
8AIY-CA-4	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.MJO.	✔	5	6	2	✘
8AE1-CA-1	CA	Ca²⁺	E1G2R1	ARG.GLU.GLY.	ARG.GLU.GLY.	✔	4	4	2	✔
8AE1-CA-2	CA	Ca²⁺	E1G2R1	ARG.GLU.GLY.	ARG.GLU.GLY.	✔	4	4	2	✘
8AE1-CA-3	CA	Ca²⁺	E1G2R1	ARG.GLU.GLY.	ARG.GLU.GLY.	✔	4	4	2	✘
6X5V-CA-1	CA	Ca²⁺	D1E2N1S1Y1	ASN.ASP.GLU.SER.TYR.	ASN.ASP.GLU.SER.TYR.	✘	6	6	2	✔
6X5V-CA-2	CA	Ca²⁺	D1E1N1S2T1	ASN.ASP.GLU.SER.THR.	ASN.ASP.GLU.SER.THR.	✘	6	6	2	✔
6X6Q-CA-1	CA	Ca²⁺	D2E2N1Y1	ASN.ASP.GLU.TYR.	ASN.ASP.GLU.TYR.	✘	6	6	2	✔
6X6Q-CA-2	CA	Ca²⁺	D2E1N1S1T1	ASN.ASP.GLU.SER.THR.	ASN.ASP.GLU.SER.THR.	✘	6	6	2	✔