PDB ID:4DY1 Metal site ID: 4DY1-ZN-1 Bound amino acids or nucleotide residues: H2 Group identifier: E1R1 Is homomeric: True Amino acid or nucleotide residue IDs: HIS A.333 HIS A.73 All ligands IDs: HIS A.333 HIS A.73 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 2 Number of coordinating chains: 2 Number of coordinating chains: 2