Fig. 5From: Mechanism of microbial production of acetoin and 2,3-butanediol optical isomers and substrate specificity of butanediol dehydrogenaseThe structural information of the protein is derived from the PDB database and visualized using pymol. (A) The catalytic zinc binding site of R-BDH in B. subtilis 168 (PDB ID 6IE0). (B) Catalytic tetrad of meso-BDH in K. pneumoniae IAM 1063 (PDB ID 1GEG)Back to article page