PDB ID:6HHS Metal site ID: 6HHS-CD-1 Bound amino acids or nucleotide residues: H2 Group identifier: D1 Is homomeric: True Amino acid or nucleotide residue IDs: HIS A.236 HIS D.285 All ligands IDs: HIS A.236 HIS D.285 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 2 Number of coordinating chains: 2 Number of coordinating chains: 2