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
6WXE-CA-25	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.	✔	4	4	2	✘
6WXE-CA-26	CA	Ca²⁺	D1G1T1	ASP.GLY.THR.	ASP.GLY.THR.	✔	3	3	2	✘
6WXE-CA-27	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.	✔	4	4	2	✘
6WXE-CA-28	CA	Ca²⁺	D1E1G1T1	ASP.GLU.GLY.THR.	ASP.GLU.GLY.THR.	✔	4	4	2	✘
6WXE-CA-29	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.	✔	4	4	2	✘
6WXE-CA-30	CA	Ca²⁺	D1G1T1	ASP.GLY.THR.	ASP.GLY.THR.	✔	3	3	2	✘
6WXE-CA-31	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.	✔	4	4	2	✘
6WXE-CA-32	CA	Ca²⁺	D1G1T1	ASP.GLY.THR.	ASP.GLY.THR.	✔	3	3	2	✔
6WXE-CA-33	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.	✔	4	4	2	✘
6WXE-CA-34	CA	Ca²⁺	D1G1T1	ASP.GLY.THR.	ASP.GLY.THR.	✔	3	3	2	✘
6WXE-CA-35	CA	Ca²⁺	D3Q1	ASP.GLN.	ASP.GLN.	✔	4	4	2	✘
6WXE-CA-36	CA	Ca²⁺	D1E1G1T1	ASP.GLU.GLY.THR.	ASP.GLU.GLY.THR.	✔	4	4	2	✘
6WZ1-CA-1	CA	Ca²⁺	D1E2	ASP.GLU.	ASP.GLU.HEC.HOH.	✔	3	6	2	✔
6WZ1-CA-2	CA	Ca²⁺	D1E2	ASP.GLU.	ASP.GLU.HEC.HOH.	✔	3	6	3	✔
6WZ1-CA-3	CA	Ca²⁺	E2	GLU.	GLU.HOH.	✔	2	7	2	✔
6WZ1-CA-4	CA	Ca²⁺	D3	ASP.	ASP.HOH.	✔	3	5	2	✔
6WYH-CA-1	CA	Ca²⁺	D1Q1	ASP.GLN.	ASP.GLN.	✔	2	2	2	✘
6WYH-CA-2	CA	Ca²⁺	D1Q1	ASP.GLN.	ASP.GLN.	✔	2	2	2	✘
6WYH-CA-3	CA	Ca²⁺	D1Q1	ASP.GLN.	ASP.GLN.	✔	2	2	2	✘
6WYH-CA-4	CA	Ca²⁺	D1Q1	ASP.GLN.	ASP.GLN.	✔	2	2	2	✘