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
1J35-CA-1	CA	Ca²⁺	E1X2	CGU.GLU.	CGU.GLU.HOH.	✘	3	4	2	✔
1BP7-CA-1	CA	Ca²⁺	C1D1G2	ASP.DC.DG.GLY.	ASP.DC.DG.GLY.	✘	4	4	4	✔
1BP7-CA-2	CA	Ca²⁺	A1D1G2	ASP.DA.DG.GLY.	ASP.DA.DG.GLY.HOH.	✘	4	5	4	✔
1C0G-CA-1	CA	Ca²⁺	A1D1E1G1	ALA.ASP.GLU.GLY.	ALA.ASP.GLU.GLY.HOH.	✘	4	6	2	✘
1C0F-CA-1	CA	Ca²⁺	A1D1E1G1	ALA.ASP.GLU.GLY.	ALA.ASP.GLU.GLY.HOH.	✘	4	6	2	✘
1CLQ-CA-1	CA	Ca²⁺	C1D1G1	ASP.DC.DG.	ASP.DC.DG.HOH.	✘	3	4	2	✔
1CLQ-CA-2	CA	Ca²⁺	E1G1	DG.GLU.	DG.GLU.	✘	2	2	2	✔
1CP9-CA-1	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✔
1CP9-CA-2	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✘
1D2V-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
1D5L-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
1CW9-CA-1	CA	Ca²⁺	X2	G47.	G47.HOH.	✔	2	7	2	✔
1D7W-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
1CXP-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
1DEJ-CA-1	CA	Ca²⁺	A1D1E1G1	ALA.ASP.GLU.GLY.	ALA.ASP.GLU.GLY.HOH.	✘	4	6	2	✘
1DFM-CA-1	CA	Ca²⁺	D1G1V1	ASP.DG.VAL.	ASP.DG.HOH.VAL.	✘	3	6	2	✔
1DFM-CA-2	CA	Ca²⁺	D1G1V1	ASP.DG.VAL.	ASP.DG.HOH.VAL.	✘	3	6	2	✘
6ZXS-CA-1	CA	Ca²⁺	D1I1	ASP.ILE.	ASP.ILE.	✘	2	2	2	✔
6ZYH-CA-1	CA	Ca²⁺	D1G1H1	ASP.GLY.HIS.	ASP.GLY.HIS.HOH.	✔	3	7	2	✔
6ZLZ-CA-1	CA	Ca²⁺	E3S1	GLU.SER.	GLU.SER.	✔	4	4	3	✔