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
1M5X-CA-3	CA	Ca²⁺	C1D1G2	ASP.DC.DG.GLY.	ASP.DC.DG.GLY.HOH.	✘	4	6	4	✔
1LT9-CA-1	CA	Ca²⁺	D2E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.	✘	4	4	2	✘
1MHL-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
1MIO-CA-1	CA	Ca²⁺	D2E1K1	ASP.GLU.LYS.	ASP.GLU.LYS.	✔	4	4	2	✔
1MIO-CA-2	CA	Ca²⁺	D2E1K1	ASP.GLU.LYS.	ASP.GLU.LYS.	✔	4	4	2	✔
1MPR-CA-1	CA	Ca²⁺	D3	ASP.	ASP.	✔	3	3	3	✘
1N3F-CA-1	CA	Ca²⁺	A2D2G2	ASP.DA.DG.	ASP.DA.DG.	✘	6	6	6	✔
1N3F-CA-2	CA	Ca²⁺	A1D1G2	ASP.DA.DG.GLY.	ASP.DA.DG.GLY.HOH.	✘	4	5	4	✔
1N3F-CA-3	CA	Ca²⁺	A1D1G2	ASP.DA.DG.GLY.	ASP.DA.DG.GLY.HOH.	✘	4	5	4	✔
1LV8-CA-1	CA	Ca²⁺	E2S1	GLU.SER.	GLU.HOH.SER.	✔	3	6	2	✘
1LV8-CA-2	CA	Ca²⁺	E2S1	GLU.SER.	GLU.HOH.SER.	✔	3	6	2	✘
1LV8-CA-3	CA	Ca²⁺	E2S1	GLU.SER.	GLU.HOH.SER.	✔	3	6	2	✘
1LV8-CA-4	CA	Ca²⁺	E2S1	GLU.SER.	GLU.HOH.SER.	✔	3	6	2	✘
1LV8-CA-5	CA	Ca²⁺	E2S1	GLU.SER.	GLU.HOH.SER.	✔	3	6	2	✘
1LV8-CA-6	CA	Ca²⁺	E2S1	GLU.SER.	GLU.HOH.SER.	✔	3	6	2	✘
1M6S-CA-1	CA	Ca²⁺	Q1S1T2	GLN.SER.THR.	GLN.SER.THR.	✔	4	4	2	✘
1M6S-CA-2	CA	Ca²⁺	A1Q1S1T1	ALA.GLN.SER.THR.	ALA.GLN.SER.THR.	✔	4	4	2	✘
1M6S-CA-3	CA	Ca²⁺	A1Q1S1T2	ALA.GLN.SER.THR.	ALA.GLN.SER.THR.	✔	5	5	2	✘
1M6S-CA-4	CA	Ca²⁺	A1Q1S1T2	ALA.GLN.SER.THR.	ALA.GLN.SER.THR.	✔	5	5	2	✘
1LVU-CA-1	CA	Ca²⁺	E2S1	GLU.SER.	GLU.HOH.SER.	✔	3	6	2	✔