1.1.1.75 | gene aadh, DNA and amino acid sequence determination and analysis, expression in Escherichia coli JM109 leading to a 10.4fold increase in specific activity as to catalysis of the reduction of (S)-1-phenyl-2-methylaminopropan-1-one, as compared with that of Rhodococcus erythropolis strain MAK154 induced by 1-amino-2-propanol. Coexpression of aadh with glucose dehydrogenase gene gdh as cofactor regeneration enzyme, and installation of a system for sufficient production of d-psi-pseudoephedrine from racemic (S)-1-phenyl-2-methylaminopropan-1-one |