Novel dehydrogenase, derivative thereof and method for producing optically active alkanol

The present invention relates to a protein having enzymatic activity for reducing substituted alkanones such as 3-methylamino-1- (2-thienyl) -propan-1-one. The invention further includes nucleic acids encoding the proteins, nucleic acid constructs, vectors, genetically modified microorganisms, and optically active substituted alkanols such as (S) -3-methylamino-1- (2-thienyl)-( The present invention relates to a method for producing S) -propanol.