ID 1.14.14.185 DE taxane 9alpha-hydroxylase. AN CYP725A22. AN taxoid 9alpha hydroxylase. CA 4alpha,5beta-5,20-epoxytax-11-ene-4-ol + reduced [NADPH--hemoprotein CA reductase] + O2 = 4alpha,5beta-5,20-epoxytax-11-ene-4,9-diol + oxidized CA [NADPH--hemoprotein reductase] + H2O + H(+). CC -!- The enzyme is active in the biosynthetic pathway of paclitaxel CC (Taxol) in Taxus species (yew). //