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
6X77-CA-2	CA	Ca²⁺	A1D1L1V1	ASP.DA.LEU.VAL.	ASP.DA.HOH.LEU.VAL.	✘	4	7	2	✔
6X6Z-CA-1	CA	Ca²⁺	D2E1G1	ASP.DG.GLU.	ASP.DCP.DG.GLU.HOH.	✘	4	6	2	✔
6X6Z-CA-2	CA	Ca²⁺	A1D1L1V1	ASP.DA.LEU.VAL.	ASP.DA.HOH.LEU.VAL.	✘	4	6	2	✔
6WX6-CA-1	CA	Ca²⁺	E3	GLU.	GLU.	✔	3	3	3	✔
6WX6-CA-2	CA	Ca²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
6WX6-CA-3	CA	Ca²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
6WX6-CA-4	CA	Ca²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
6WX6-CA-5	CA	Ca²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
6WX6-CA-6	CA	Ca²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
6WX6-CA-7	CA	Ca²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
6WX6-CA-8	CA	Ca²⁺	E3	GLU.	GLU.	✔	3	3	3	✘
6X8A-CA-1	CA	Ca²⁺	D4G1X1	ASP.GLC.GLY.	ASP.GLC.GLY.	✘	6	6	2	✔
6WVW-CA-1	CA	Ca²⁺	D1Q1	ASP.GLN.	ASP.GLN.HOH.	✘	2	4	2	✔
6WXP-CA-1	CA	Ca²⁺	E4	GLU.	GLU.	✔	4	4	2	✔
6WY0-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
6X0H-CA-1	CA	Ca²⁺	D1S1	ASP.SER.	ASP.SER.	✔	2	2	2	✔
6X0H-CA-2	CA	Ca²⁺	D1S1	ASP.SER.	ASP.HOH.SER.	✔	2	3	2	✘
6WRE-CA-1	CA	Ca²⁺	D1E1L1X1	ASP.GLU.LEU.U37.	ASP.GLU.HOH.LEU.U37.	✘	4	6	2	✔
5UVG-CA-1	CA	Ca²⁺	D2E1	ASP.GLU.	ASP.GLU.HOH.	✔	3	7	2	✔
5UVG-CA-2	CA	Ca²⁺	D2E1	ASP.GLU.	ASP.GLU.HOH.	✔	3	7	2	✘