PDB ID:4E89 Metal site ID: 4E89-CD-2 Bound amino acids or nucleotide residues: E2 Group identifier: C1E2 Is homomeric: True Amino acid or nucleotide residue IDs: GLU A.596 GLU A.645 All ligands IDs: GLU A.596 GLU A.645 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 2 Number of coordinating chains: 2 Number of coordinating chains: 2