PDB ID:1WAA Metal site ID: 1WAA-ZN-7 Bound amino acids or nucleotide residues: E2 Group identifier: H1K1 Is homomeric: False Amino acid or nucleotide residue IDs: GLU C.22 GLU F.48 All ligands IDs: HIS C.20 HIS F.20 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 2 Number of coordinating chains: 2 Number of coordinating chains: 2