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
2ASL-CA-1 CA Ca²⁺ D2X1 ASP.DOC. HOH. 3 6 2
1BSU-CA-1 CA Ca²⁺ D2X1 ASP.DI. ASP.DI.HOH. 3 6 2
1BSU-CA-2 CA Ca²⁺ D2X1 ASP.DI. ASP.DI.HOH. 3 6 2
6S21-CA-1 CA Ca²⁺ D2X1 ASG.ASP. ASG.ASP. 3 3 2