abstract |
An enone reductase characterized by a molecular mass of 61,300 .plusmn. 5,00 0 Da; NADPH and NADH as co-factor; a temperature optimum of 55-60~C at pH 7.4; a pH optimum of 4.5-8.5 and a substrate specificity on .alpha.,.beta.- unsaturated ketones, especially derived from a yeast and a process for the preparation of levodione from ketoisophorane. |