PDB ID:3IO3 Metal site ID: 3IO3-ZN-1 Bound amino acids or nucleotide residues: C4 Group identifier: C4 Is homomeric: True Amino acid or nucleotide residue IDs: CYS A.280 CYS A.283 All ligands IDs: CYS A.280 CYS A.283 Number of coordinating amino acids or nucleotide residues: 4 Number of coordinating ligands: 4 Number of coordinating chains: 2 Number of coordinating chains: 2