EC - Taxane 10β-hydroxylase

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IntEnz Enzyme Nomenclature


Accepted name:
taxane 10β-hydroxylase
Systematic name:
taxa-4(20),11-dien-5α-yl acetate,NADPH:oxygen oxidoreductase (10β-hydroxylating)




This microsomal cytochrome-P450-dependent enzyme is involved in the biosynthesis of the diterpenoid antineoplastic drug taxol (paclitaxel).

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , DIAGRAM , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Protein domains and families: PROSITE:PDOC00081
Structural data: CSA , EC2PDB
Gene Ontology: GO:0050597
CAS Registry Number: 337514-75-7


  1. Wheeler, A.L., Long, R.M., Ketchum, R.E., Rithner, C.D., Williams, R.M. and Croteau, R.
    Taxol biosynthesis: differential transformations of taxadien-5-α-ol and its acetate ester by cytochrome P450 hydroxylases from Taxus suspension cells.
    Arch. Biochem. Biophys. 390: 265-278 (2001). [PMID: 11396929]
  2. Schoendorf, A., Rithner, C. D., Williams, R. M., Croteau, R. B.
    Molecular cloning of a cytochrome P450 taxane 10 beta-hydroxylase cDNA from Taxus and functional expression in yeast.
    Proc. Natl. Acad. Sci. USA 98: 1501-1506 (2001). [PMID: 11171980]

[EC created 2002]