Crystal structure of the cyanobacterial metallothionein repressor SmtB (C14S/C61S/C121S mutant) in the Zn2alpha5-form
PDB ID:1R22 Metal site ID: 1R22-ZN-1 Bound amino acids or nucleotide residues: H2 Group identifier: H2 Is homomeric: True Amino acid or nucleotide residue IDs: HIS A.117 HIS B.106 All ligands IDs: HIS A.117 HIS B.106 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 2 Number of coordinating chains: 2 Number of coordinating chains: 2