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
3NBK-NI-1 NI Ni²⁺ D2H2R2 ARG.ASP.HIS. ARG.ASP.HIS.HOH. 6 7 2
3NBK-NI-2 NI Ni²⁺ D2H2R2 ARG.ASP.HIS. ARG.ASP.HIS.HOH. 6 7 2
3NBK-NI-3 NI Ni²⁺ D2H2R2 ARG.ASP.HIS. ARG.ASP.HIS.HOH. 6 7 2