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
6NBK-CA-1	CA	Ca²⁺	D2	ASP.	ASP.HOH.	✔	2	6	2	✔
6NBK-CA-2	CA	Ca²⁺	D2	ASP.	ASP.HOH.	✔	2	6	2	✘
6NBK-CA-3	CA	Ca²⁺	D2	ASP.	ASP.HOH.	✔	2	6	2	✘
6VX7-CA-1	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.HOH.	✔	5	6	2	✘
6VX7-CA-2	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.HOH.	✔	5	6	2	✘
6VX7-CA-3	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.HOH.	✔	5	6	2	✘
6VX7-CA-4	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.HOH.	✔	5	6	2	✘
6VX7-CA-5	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.HOH.	✔	5	6	2	✘
6VX6-CA-1	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.	✔	5	5	2	✔
6VX6-CA-2	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.	✔	5	5	2	✔
6VX6-CA-3	CA	Ca²⁺	A1D1N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.	✔	4	4	2	✘
6VX6-CA-4	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.	✔	5	5	2	✘
6VX6-CA-5	CA	Ca²⁺	A1D2N1Q1	ALA.ASN.ASP.GLN.	ALA.ASN.ASP.GLN.	✔	5	5	2	✘
6WDO-CA-1	CA	Ca²⁺	E4	GLU.	GLU.	✘	4	4	4	✘
6WDO-CA-2	CA	Ca²⁺	E4	GLU.	GLU.	✘	4	4	4	✘
6WH3-CA-1	CA	Ca²⁺	A1D1G2S1	ALA.ASP.GLY.SER.	ALA.ASP.GLY.SER.	✔	5	5	2	✔
6WH3-CA-2	CA	Ca²⁺	A1D1G2S1	ALA.ASP.GLY.SER.	ALA.ASP.GLY.SER.	✔	5	5	2	✘
6WH3-CA-3	CA	Ca²⁺	A1D1G2S1	ALA.ASP.GLY.SER.	ALA.ASP.GLY.SER.	✔	5	5	2	✘
6WH3-CA-4	CA	Ca²⁺	A1D1G2S1	ALA.ASP.GLY.SER.	ALA.ASP.GLY.SER.	✔	5	5	2	✘
6WH3-CA-5	CA	Ca²⁺	A1D1G2S1	ALA.ASP.GLY.SER.	ALA.ASP.GLY.SER.	✔	5	5	2	✘