PDB ID:1FL1 Metal site ID: 1FL1-K-1 Bound amino acids or nucleotide residues: H3 Group identifier: Q2 Is homomeric: True Amino acid or nucleotide residue IDs: HIS B.171 HIS B.175 All ligands IDs: HIS B.171 HIS B.175 Number of coordinating amino acids or nucleotide residues: 3 Number of coordinating ligands: 3 Number of coordinating chains: 2 Number of coordinating chains: 2