Immunogen sequence: TVQALHATGA RVVAVSRTQA DLDSLVRECP GIEPVCVDLG DWEATERALG SVGPVDLLVN NAAVALLQPF LEV. The protein encoded by this gene acts as a homotetramer to catalyze diacetyl reductase and L-xylulose reductase reactions. The encoded protein may play