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
5BKN-MG-1	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✘
5BKN-MG-2	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✘
5BKN-MG-3	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✘
5BKN-MG-4	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✔
5BKN-MG-5	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✘
5BKN-MG-6	MG	Mg²⁺	S1T1Y1	SER.THR.TYR.	SER.THR.TYR.	✔	3	3	2	✘
5BKN-MG-7	MG	Mg²⁺	L1T1Y1	LEU.THR.TYR.	LEU.THR.TYR.	✔	3	3	2	✘
5BKN-MG-8	MG	Mg²⁺	L1T1Y1	LEU.THR.TYR.	LEU.THR.TYR.	✔	3	3	2	✘
5BKN-MG-9	MG	Mg²⁺	L1T1Y1	LEU.THR.TYR.	LEU.THR.TYR.	✔	3	3	2	✘
5BKN-MG-10	MG	Mg²⁺	E1L1Y1	GLU.LEU.TYR.	GLU.LEU.TYR.	✔	3	3	2	✔
5BKN-MG-11	MG	Mg²⁺	E1L1Y1	GLU.LEU.TYR.	GLU.LEU.TYR.	✔	3	3	2	✔
5BKN-MG-12	MG	Mg²⁺	E1L1Y1	GLU.LEU.TYR.	GLU.LEU.TYR.	✔	3	3	2	✘
5BKN-MG-13	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘
5BKN-MG-14	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘
5BKN-MG-15	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘
5BKN-MG-16	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘
5BKN-MG-17	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘
5BKN-MG-18	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘
5BKN-MG-19	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘
5BKN-MG-20	MG	Mg²⁺	L1S1T1Y1	LEU.SER.THR.TYR.	LEU.SER.THR.TYR.	✔	4	4	2	✘