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
2VH3-ZN-1 ZN Zn²⁺ X1Y1 TY2.TYR. TY2.TYR. 2 2 2
2X85-NA-1 NA Na⁺ X1Y1 GLC.TYR. GLC.HOH.TYR. 2 4 2
2X85-NA-2 NA Na⁺ X1Y1 GLC.TYR. GLC.HOH.TYR. 2 4 2
2X85-NA-3 NA Na⁺ X1Y1 GLC.TYR. GLC.HOH.TYR. 2 4 2