PDB ID:7SU2 Metal site ID: 7SU2-CO-2 Bound amino acids or nucleotide residues: E2 Group identifier: H2K2 Is homomeric: True Amino acid or nucleotide residue IDs: GLU C.81 GLU G.81 All ligands IDs: GLU C.81 GLU G.81 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 2 Number of coordinating chains: 2 Number of coordinating chains: 2