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Open Access Green as soon as Postprint is submitted to ZB.
First structure-activity relationship of 17β-hydroxysteroid dehydrogenase type 14 nonsteroidal inhibitors and crystal structures in complex with the enzyme.
J. Med. Chem. 59, 10719-10737 (2016)
17β-HSD14 belongs to the SDR family and oxidizes the hydroxyl group at position 17 of estradiol and 5-androstenediol using NAD+ as cofactor. The goal of this study was to identify and optimize 17β-HSD14 nonsteroidal inhibitors as well as to disclose their structure-activity relationship. In a first screen, a library of 17β-HSD1 and 17β-HSD2 inhibitors, selected with respect to scaffold diversity, was tested for 17β-HSD14 inhibition. The most interesting hit was taken as starting point for chemical modification applying a ligand-based approach. The designed compounds were synthesized and tested for 17β-HSD14 inhibitory activity. The two best inhibitors identified in this study have a very high affinity to the enzyme with a Ki equal to 7 nM. The strong affinity of these inhibitors to the enzyme active site could be explained by crystallographic structure analysis, which highlighted the role of an extended H-bonding network in the stabilization process. The selectivity of the most potent compounds with respect to 17β-HSD1 and 17β-HSD2 is also addressed.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Biological Evaluation; Catalyzed Reactions; Derivatives; Discovery; Dehydrogenases; Potent; Expression; Libraries; Estrone; Binding
ISSN (print) / ISBN
0022-2623
e-ISSN
1520-4804
Journal
Journal of Medicinal Chemistry
Quellenangaben
Volume: 59,
Issue: 23,
Pages: 10719-10737
Publisher
American Chemical Society (ACS)
Publishing Place
Washington
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Molekulare Endokrinologie und Metabolismus (MEM)