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
7PEN-CU-5	CU	Cu²⁺	H2	HIS.	HIS.	✔	2	2	2	✔
7PEN-CU-6	CU	Cu²⁺	H3	HIS.	HIS.	✔	3	3	2	✘
7P4L-CA-1	CA	Ca²⁺	D3	ASP.	ASP.HOH.	✔	3	4	3	✔
7P4L-CA-2	CA	Ca²⁺	E1N1Q1S1	ASN.GLN.GLU.SER.	HOH.	✔	4	6	2	✔
7P4L-CA-3	CA	Ca²⁺	D1V1	ASP.VAL.	ASN.GLN.GLU.HOH.SER.	✔	2	6	2	✔
7P4L-CA-4	CA	Ca²⁺	D1E1S1T1	ASP.GLU.SER.THR.	ASP.HOH.VAL.	✔	4	6	2	✘
7P4L-CA-5	CA	Ca²⁺	E1N1Q1S1	ASN.GLN.GLU.SER.	ASP.GLU.HOH.SER.THR.	✔	4	6	2	✔
7P4L-CA-6	CA	Ca²⁺	D1V1	ASP.VAL.	ASP.GLU.HOH.	✔	2	6	2	✘
7P4L-CA-7	CA	Ca²⁺	D1E1S1T1	ASP.GLU.SER.THR.	GLN.HOH.	✔	4	3	2	✘
7P4L-CA-8	CA	Ca²⁺	E1N1Q1S1	ASN.GLN.GLU.SER.	ASP.HOH.	✔	4	3	2	✘
7P4L-CA-9	CA	Ca²⁺	D1V1	ASP.VAL.	ASN.GLN.GLU.HOH.SER.	✔	2	6	2	✘
7P4L-CA-10	CA	Ca²⁺	D1E1S1T1	ASP.GLU.SER.THR.	ASP.HOH.VAL.	✔	4	5	2	✔
7OQ2-K-1	K	K⁺	T4	THR.	THR.	✔	4	4	4	✘
7OQ2-K-2	K	K⁺	T4V4	THR.VAL.	THR.VAL.	✔	8	8	4	✘
7OQ1-K-1	K	K⁺	T4V4	THR.VAL.	THR.VAL.	✔	8	8	4	✘
7OQ1-K-2	K	K⁺	T4	THR.	THR.	✔	4	4	4	✘
7OOR-K-1	K	K⁺	T4	THR.	THR.	✔	4	4	4	✘
7OOR-K-2	K	K⁺	T4V4	THR.VAL.	THR.VAL.	✔	8	8	4	✘
7OGU-NA-1	NA	Na⁺	N2X1	ASN.NAG.	ASN.NAG.	✘	3	3	2	✔
7OGU-NA-2	NA	Na⁺	N1X1	ASN.NAG.	ASN.NAG.	✘	2	2	2	✔