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
1G20-CA-2	CA	Ca²⁺	D2E1R1	ARG.ASP.GLU.	ARG.ASP.GLU.HOH.	✔	4	6	2	✘
1G1T-CA-1	CA	Ca²⁺	D1E1N3X1	ASN.ASP.FUC.GLU.	ASN.ASP.FUC.GLU.	✘	6	6	2	✔
1G1I-CA-1	CA	Ca²⁺	E2Q4	GLN.GLU.	GLN.GLU.HOH.	✔	6	8	4	✘
1FZG-CA-1	CA	Ca²⁺	D1E1	ASP.GLU.	ASP.GLU.	✘	2	2	2	✔
1FZG-CA-2	CA	Ca²⁺	D1E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.HOH.	✘	3	4	2	✘
1FZF-CA-1	CA	Ca²⁺	D1E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.	✘	3	3	2	✘
1FZE-CA-1	CA	Ca²⁺	D2E1G1	ASP.GLU.GLY.	ASP.GLU.GLY.	✘	4	4	2	✘
1FZP-CA-1	CA	Ca²⁺	A1E1T1	DA.DT.GLU.	DA.DT.GLU.	✘	3	3	3	✔
1GKF-CA-1	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✘
1GK9-CA-1	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✔
1GM9-CA-1	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✘
1GM8-CA-1	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✘
1GM7-CA-1	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✘
1H1V-CA-1	CA	Ca²⁺	D1E1P1	ASP.GLU.PRO.	ASP.GLU.HOH.PRO.	✘	3	4	2	✔
1GR3-CA-1	CA	Ca²⁺	D3	ASP.	ASP.HOH.	✔	3	6	3	✔
1GR3-CA-2	CA	Ca²⁺	D3E1L1	ASP.GLU.LEU.	ASP.GLU.LEU.	✔	5	5	2	✔
1GR3-CA-3	CA	Ca²⁺	D3E1L1	ASP.GLU.LEU.	ASP.GLU.LEU.	✔	5	5	2	✘
1GR3-CA-4	CA	Ca²⁺	D3E1L1	ASP.GLU.LEU.	ASP.GLU.LEU.	✔	5	5	2	✘
1GQM-CA-1	CA	Ca²⁺	E1Q2	GLN.GLU.	GLN.GLU.	✔	3	3	2	✔
1GQM-CA-2	CA	Ca²⁺	E1Q2	GLN.GLU.	GLN.GLU.	✔	3	3	2	✔