Biotransformation and molecular docking studies of aromatase inhibitors

Martin, Glenroy, Narvaez, Javier, Bulmer, Rachel and Durrant, Marcus (2016) Biotransformation and molecular docking studies of aromatase inhibitors. Steroids, 113. pp. 95-102. ISSN 0039-128X

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Bioconversion of the aromatase inhibitor formestane (4-hydroxyandrost-4-ene-3,17-dione) by the fungus Rhizopus oryzae ATCC 11145 resulted in a new minor metabolite 3,5α-dihydroxyandrost-2-ene-4,17-dione and the known 4β,5α-dihydroxyandrostane-4,17-dione as the major product. The structural elucidation and bioactivities of these metabolites are reported herein. Molecular modeling studies of the interactions between these metabolites and the aromatase protein indicated that acidic (D309), basic (R115), polar (T310), aromatic (F134, F221, and W224), and non-polar (I133, I305, A306, V369, V370, L372, V373, M374, and L477) amino acid residues contribute important interactions with the steroidal substrates. These combined experimental and theoretical studies provide fresh insights for the further development of more potent aromatase inhibitors.

Item Type: Article
Uncontrolled Keywords: Aromatase inhibitor; Molecular docking; Rhizopus oryzae; Formestane; Biotransformation; Cytochrome P450 monooxygenase
Subjects: C700 Molecular Biology, Biophysics and Biochemistry
Department: Faculties > Health and Life Sciences > Applied Sciences
Depositing User: Becky Skoyles
Date Deposited: 08 Aug 2016 10:44
Last Modified: 12 Oct 2019 18:30

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