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
4YZX-CA-3 CA Ca²⁺ D2E1X1 ADA.ASP.GLU. ADA.ASP.GLU.HOH. 4 6 2
2ASJ-CA-1 CA Ca²⁺ D2E1X1 ASP.DDG.GLU. HOH. 4 2 2
7AUE-CA-1 CA Ca²⁺ D2E1X1 ASP.DPN.GLU. ASP.DPN.GLU.HOH. 4 5 2
2C2R-CA-1 CA Ca²⁺ D2E1X1 ASP.DOC.GLU. ASP.DOC.GLU. 4 4 2