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
1K6S-CA-2	CA	Ca²⁺	E2	GLU.	GLU.HOH.	✔	2	3	2	✘
1K7D-CA-1	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✘
1JX9-CA-1	CA	Ca²⁺	D3E1P1V1	ASP.GLU.PRO.VAL.	ASP.GLU.PRO.VAL.	✘	6	6	2	✘
1K9J-CA-1	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.MAN.	ASN.ASP.GLU.MAN.	✘	6	6	2	✔
1K9I-CA-1	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.MAN.	ASN.ASP.GLU.MAN.	✘	6	6	2	✔
1K9I-CA-2	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.NAG.	ASN.ASP.GLU.NAG.	✘	6	6	2	✔
1K9I-CA-3	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.MAN.	ASN.ASP.GLU.MAN.	✘	6	6	2	✔
1K9I-CA-4	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.MAN.	ASN.ASP.GLU.MAN.	✘	6	6	2	✔
1K9I-CA-5	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.MAN.	ASN.ASP.GLU.MAN.	✘	6	6	2	✔
1K9I-CA-6	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.NAG.	ASN.ASP.GLU.NAG.	✘	6	6	2	✔
1K9I-CA-7	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.NAG.	ASN.ASP.GLU.NAG.	✘	6	6	2	✔
1K9I-CA-8	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.MAN.	ASN.ASP.GLU.MAN.	✘	6	6	2	✔
1K9I-CA-9	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.NAG.	ASN.ASP.GLU.NAG.	✘	6	6	2	✔
1K9I-CA-10	CA	Ca²⁺	D1E2N2X1	ASN.ASP.GLU.NAG.	ASN.ASP.GLU.NAG.	✘	6	6	2	✔
1N48-CA-1	CA	Ca²⁺	A1D2E1	ASP.DA.GLU.	ATP.DA.HOH.	✘	4	6	2	✔
1N7S-CA-1	CA	Ca²⁺	K1Y1	LYS.TYR.	HOH.LYS.TYR.	✘	2	5	2	✔
1MYP-CA-1	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
1MYP-CA-2	CA	Ca²⁺	D2F1S1T1	ASP.PHE.SER.THR.	ASP.PHE.SER.THR.	✘	5	5	2	✘
1NBW-CA-1	CA	Ca²⁺	D2E1T1	ASP.GLU.THR.	ASP.GLU.HOH.THR.	✘	4	5	2	✔
1NBW-CA-2	CA	Ca²⁺	D2E1T1	ASP.GLU.THR.	ASP.GLU.HOH.THR.	✘	4	5	2	✘