PDB ID:1M4M Metal site ID: 1M4M-ZN-1 Bound amino acids or nucleotide residues: H2 Group identifier: H2 Is homomeric: True Amino acid or nucleotide residue IDs: HIS A.80 All ligands IDs: HIS A.80 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 2 Number of coordinating chains: 2 Number of coordinating chains: 2