ID 1.14.14.193 DE taxol side chain-2'-hydroxylase. AN CYP73A171. CA 3'-N-debenzoyl-2'-deoxytaxol + reduced [NADPH--hemoprotein reductase] + CA O2 = 3'-N-debenzoyltaxol + oxidized [NADPH--hemoprotein reductase] + CA H2O + H(+). CC -!- A cytochrome P450 (heme thiolate) enzyme isolated from the plant CC Taxus x media. CC -!- The penultimate step in paclitaxel (taxol) biosynthesis. //