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
6GSZ-CA-1	CA	Ca²⁺	D1X1	ASP.MAN.	HOH.MAN.NAG.	✘	2	7	2	✔
6J42-CA-1	CA	Ca²⁺	D2N1S1	ASN.ASP.SER.	ASN.ASP.SER.	✔	4	4	2	✔
6J42-CA-2	CA	Ca²⁺	D2N1S1	ASN.ASP.SER.	ASN.ASP.SER.	✔	4	4	2	✘
6J42-CA-3	CA	Ca²⁺	Q3	GLN.	GLN.HOH.	✔	3	4	3	✔
6J42-CA-4	CA	Ca²⁺	Q3	GLN.	GLN.HOH.	✔	3	4	3	✘
6J42-CA-5	CA	Ca²⁺	N3	ASN.	ASN.HOH.	✔	3	4	3	✔
6J42-CA-6	CA	Ca²⁺	N3	ASN.	ASN.HOH.	✔	3	4	3	✘
6J42-CA-7	CA	Ca²⁺	D2N1S1	ASN.ASP.SER.	ASN.ASP.HOH.SER.	✔	4	5	2	✔
6J42-CA-8	CA	Ca²⁺	D2N1S1	ASN.ASP.SER.	ASN.ASP.HOH.SER.	✔	4	5	2	✘
6J42-CA-9	CA	Ca²⁺	D2N1S1	ASN.ASP.SER.	ASN.ASP.SER.	✔	4	4	2	✘
6J42-CA-10	CA	Ca²⁺	D2N1S1	ASN.ASP.SER.	ASN.ASP.SER.	✔	4	4	2	✔
6IWL-CA-1	CA	Ca²⁺	E2I2	GLU.ILE.	GLU.HOH.ILE.	✔	4	6	2	✘
6IWL-CA-2	CA	Ca²⁺	E2I2	GLU.ILE.	GLU.HOH.ILE.	✔	4	6	2	✘
6JAU-CA-1	CA	Ca²⁺	A1D1E1	ALA.ASP.GLU.	ALA.ASP.GLU.HOH.	✘	3	6	2	✔
7LAG-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
7LAE-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
7LAN-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
7LAL-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✔
7LDQ-CA-1	CA	Ca²⁺	A1E1	ALA.GLU.	ALA.GLU.	✔	2	2	2	✔
7LDQ-CA-2	CA	Ca²⁺	A1E1	ALA.GLU.	ALA.GLU.	✔	2	2	2	✘