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
5I95-CA-1	CA	Ca²⁺	D2	ASP.	AKG.ASP.HOH.	✔	2	5	2	✔
5I95-CA-2	CA	Ca²⁺	D2	ASP.	AKG.ASP.HOH.	✔	2	5	2	✘
5I8X-CA-1	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.ZDC.	✔	5	6	2	✘
5I8X-CA-2	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.ZDC.	✔	5	6	2	✘
5I8X-CA-3	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASP.GLU.ZDC.	✔	5	5	2	✘
5I8X-CA-4	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.ZDC.	✔	5	6	2	✘
5I8M-CA-1	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASP.GLU.ZDC.	✔	5	5	2	✘
5I8M-CA-2	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.ZDC.	✔	5	6	2	✘
5I8M-CA-3	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.ZDC.	✔	5	6	2	✘
5I8M-CA-4	CA	Ca²⁺	D2G1N2	ASN.ASP.GLY.	ASN.ASP.GLY.ZDC.	✔	5	6	2	✘
5VEQ-CA-1	CA	Ca²⁺	Q2	GLN.	GLN.HOH.	✔	2	7	2	✔
5VEP-CA-1	CA	Ca²⁺	Q2	GLN.	GLN.HOH.	✔	2	5	2	✔
5VEP-CA-2	CA	Ca²⁺	Q2	GLN.	GLN.HOH.	✔	2	5	2	✘
5VER-CA-1	CA	Ca²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
5VER-CA-2	CA	Ca²⁺	Q2	GLN.	GLN.HOH.	✔	2	6	2	✘
5VGC-CA-1	CA	Ca²⁺	E2L2	GLU.LEU.	GLU.LEU.	✔	4	4	2	✔
5VGC-CA-2	CA	Ca²⁺	E2L2	GLU.LEU.	GLU.LEU.	✔	4	4	2	✘
5VOL-CA-1	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.HOH.	✔	4	6	2	✔
5VOL-CA-2	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.HOH.	✔	4	6	2	✘
5VOL-CA-3	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.HOH.	✔	4	6	2	✘