1.1.1.320 expression of GFP-tagged enzyme in Bacillus cereus strain IFO3563, subcloning in Escherichia coli 1.1.1.320 gene yueD, Bacillus cereus library screening in Escherichia coli and cloning of the gene encoding the benzil reductase, DNA and amino acid sequence determination and analysis, sequence comparisons, expression in Escherichia coli strain DH5alpha