ID 1.14.20.16 DE 4alpha,5beta-5,20-epoxytax-11-ene-4,9-diol 9-dehydrogenase. AN T9alpha oxidase. CA 4alpha,5beta-5,20-epoxytax-11-ene-4,9-diol + 2-oxoglutarate + O2 = CA 4alpha-hydroxy-5beta-5,20-epoxytax-11-en-9-one + succinate + CO2 + H2O. CC -!- The enzyme is active in the biosynthetic pathway of paclitaxel CC (Taxol) in Taxus species (yew). //