ArticleAnalytical biochemistry2012
A fluorescence polarization binding assay to identify inhibitors of flavin-dependent monooxygenases.
Article in Analytical biochemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 14 citations in OpenAlex.
- "Precision on Two Wheels"─Structural Refinement ofJournal of medicinal chemistry · 2025Article
- Structure-guided approaches to targeting stress responses in human fungal pathogens.The Journal of biological chemistry · 2020Review
- Flavin oxidation in flavin-dependent N-monooxygenases.Protein science : a publication of the Protein Society · 2019Article
- Identification of Aspergillus fumigatus UDP-Galactopyranose Mutase Inhibitors.Scientific reports · 2017Article
- Iron acquisition in fungal pathogens of humans.Metallomics : integrated biometal science · 2017Review
- Breaking a pathogen's iron will: Inhibiting siderophore production as an antimicrobial strategy.Biochimica et biophysica acta · 2015Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
N-Hydroxylating monooxygenases (NMOs) are essential for pathogenesis in fungi and bacteria. NMOs catalyze the hydroxylation of sine and ornithine in the biosynthesis of hydroxamate-containing siderophores. Inhibition of kynurenine monooxygenase (KMO), which catalyzes the conversion of kynurenine to 3-hydroxykynurenine, alleviates neurodegenerative disorders such as Huntington's and Alzheimer's diseases and brain infections caused by the parasite Trypanosoma brucei. These enzymes are examples of flavin-dependent monooxygenases, which are validated drug targets. Here, we describe the development and optimization of a fluorescence polarization assay to identify potential inhibitors of flavin-dependent monooxygenases. Fluorescently labeled ADP molecules were synthesized and tested. An ADP-TAMRA chromophore bound to KMO with a K(d) value of 0.60 ± 0.05 μM and to the NMOs from Aspergillus fumigatus and Mycobacterium smegmatis with K(d) values of 2.1 ± 0.2 and 4.0 ± 0.2 μM, respectively. The assay was tested in competitive binding experiments with substrates and products of KMO and an NMO. Furthermore, we show that this assay can be used to identify inhibitors of NMOs. A Z' factor of 0.77 was calculated, and we show that the assay exhibits good tolerance to temperature, incubation time, and dimethyl sulfoxide concentration.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.