PDB ID:1KCQ Metal site ID: 1KCQ-CD-1 Bound amino acids or nucleotide residues: E2 Group identifier: E2 Is homomeric: True Amino acid or nucleotide residue IDs: GLU A.175 All ligands IDs: GLU A.175 HOH A.270 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 4 Number of coordinating chains: 2 Number of coordinating chains: 2