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
2FKC-CA-1 CA Ca²⁺ C1D1E1G1 ASP.DC.DG.GLU. ASP.DC.DG.GLU.HOH. 4 5 2
5E5O-CA-1 CA Ca²⁺ C1D1E1G1 ASP.DC.GLU.GLY. ASP.DC.GLU.GLY.HOH. 4 6 2
1F0O-CA-3 CA Ca²⁺ C1D1E1G1 ASP.DC.GLU.GLY. ASP.DC.GLU.GLY.HOH. 4 5 2