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
5AXN-MG-3 MG Mg²⁺ D2G1X1 ASP.GLY.GTP. ASP.GLY.GTP. 4 4 2
5AXN-MG-4 MG Mg²⁺ D2G1X1 ASP.GLY.GTP. ASP.GLY.GTP. 4 4 2
5OLS-CA-2 CA Ca²⁺ D2G1X1 AQA.ASP.GLY. AQA.ASP.GLY.HOH. 4 5 2