Decaprenylphospho-beta-D-erythro-pentofuranosid-2-ulose 2-reductase (EC1.1.1.333, decaprenylphospho-beta-D-ribofuranose 2'-epimerase, Rv3791, DprE2) is an enzyme with systematic nametrans,octacis-decaprenylphospho-beta-D-arabinofuranose:NAD+ 2-oxidoreductase.[1] This enzyme catalyses the following chemical reaction