Search Results - "COULOMBE, René"
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Oxygen Access to the Active Site of Cholesterol Oxidase through a Narrow Channel Is Gated by an Arg-Glu Pair
Published in The Journal of biological chemistry (10-08-2001)“…Cholesterol oxidase is a monomeric flavoenzyme that catalyzes the oxidation and isomerization of cholesterol to cholest-4-en-3-one. Two forms of the enzyme are…”
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2
Compound Aggregation in Drug Discovery: Implementing a Practical NMR Assay for Medicinal Chemists
Published in Journal of medicinal chemistry (27-06-2013)“…The pharmaceutical industry has recognized that many drug-like molecules can self-aggregate in aqueous media and have physicochemical properties that skew…”
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3
Discovery of Five SOS2 Fragment Hits with Binding Modes Determined by SOS2 X‑Ray Cocrystallography
Published in Journal of medicinal chemistry (11-01-2024)“…SOS1 and SOS2 are guanine nucleotide exchange factors that mediate RTK-stimulated RAS activation. Selective SOS1:KRAS PPI inhibitors are currently under…”
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4
Monitoring Drug Self-Aggregation and Potential for Promiscuity in Off-Target In Vitro Pharmacology Screens by a Practical NMR Strategy
Published in Journal of medicinal chemistry (12-09-2013)“…A simple NMR assay was applied to monitor the tendency of compounds to self-aggregate in aqueous media. The observation of unusual spectral trends as a…”
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5
Enantiomeric Atropisomers Inhibit HCV Polymerase and/or HIV Matrix: Characterizing Hindered Bond Rotations and Target Selectivity
Published in Journal of medicinal chemistry (13-03-2014)“…An anthranilic acid series of allosteric thumb pocket 2 HCV NS5B polymerase inhibitors exhibited hindered rotation along a covalent bond axis, and the…”
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Preclinical Profile of BI 224436, a Novel HIV-1 Non-Catalytic-Site Integrase Inhibitor
Published in Antimicrobial agents and chemotherapy (01-06-2014)“…BI 224436 is an HIV-1 integrase inhibitor with effective antiviral activity that acts through a mechanism that is distinct from that of integrase strand…”
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Distinct Effects of Two HIV-1 Capsid Assembly Inhibitor Families That Bind the Same Site within the N-Terminal Domain of the Viral CA Protein
Published in Journal of Virology (01-06-2012)“…Article Usage Stats Services JVI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Discovery of BI 224436, a Noncatalytic Site Integrase Inhibitor (NCINI) of HIV‑1
Published in ACS medicinal chemistry letters (10-04-2014)“…An assay recapitulating the 3′ processing activity of HIV-1 integrase (IN) was used to screen the Boehringer Ingelheim compound collection. Hit-to-lead and…”
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Conformation-Based Restrictions and Scaffold Replacements in the Design of Hepatitis C Virus Polymerase Inhibitors: Discovery of Deleobuvir (BI 207127)
Published in Journal of medicinal chemistry (13-03-2014)“…Conformational restrictions of flexible torsion angles were used to guide the identification of new chemotypes of HCV NS5B inhibitors. Sites for rigidification…”
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10
Structure of rat procathepsin B: model for inhibition of cysteine protease activity by the proregion
Published in Structure (London) (15-04-1996)“…Background: Cysteine proteases of the papain superfamily are synthesized as inactive precursors with a 60–110 residue N-terminal prosegment. The propeptides…”
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Discovery of a 1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione series of inhibitors of HIV-1 capsid assembly
Published in Bioorganic & medicinal chemistry letters (01-01-2011)“…The discovery of a 1,5-dihydrobenzo[b][1,4]diazepine-2,4-dione series of inhibitors of HIV-1 capsid assembly is described. Synthesis of analogs of the…”
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12
Importance of Ligand Bioactive Conformation in the Discovery of Potent Indole-Diamide Inhibitors of the Hepatitis C Virus NS5B
Published in Journal of the American Chemical Society (03-11-2010)“…Significant advances have led to receptor induced-fit and conformational selection models for describing bimolecular recognition, but a more comprehensive view…”
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13
Molecular Dynamics Simulations and Structure-Based Rational Design Lead to Allosteric HCV NS5B Polymerase Thumb Pocket 2 Inhibitor with Picomolar Cellular Replicon Potency
Published in Journal of medicinal chemistry (13-03-2014)“…The design and preliminary SAR of a new series of 1H-quinazolin-4-one (QAZ) allosteric HCV NS5B thumb pocket 2 (TP-2) inhibitors was recently reported. To…”
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Integrated Strategies for Identifying Leads That Target the NS3 Helicase of the Hepatitis C Virus
Published in Journal of medicinal chemistry (13-03-2014)“…Future treatments for individuals infected by the hepatitis C virus (HCV) will likely involve combinations of compounds that inhibit multiple viral targets…”
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Investigation on the role of the tetrazole in the binding of thiotetrazolylacetanilides with HIV-1 wild type and K103N/Y181C double mutant reverse transcriptases
Published in Bioorganic & medicinal chemistry letters (15-02-2009)“…Different acyclic, cyclic and heterocyclic tetrazole replacements were investigated in order to evaluate the conformational and electronic contribution of the…”
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Aligning Potency and Pharmacokinetic Properties for Pyridine-Based NCINIs
Published in ACS medicinal chemistry letters (11-08-2016)“…Optimization of pyridine-based noncatalytic site integrase inhibitors (NCINIs) based on compound 2 has led to the discovery of molecules capable of inhibiting…”
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Minimizing the Contribution of Enterohepatic Recirculation to Clearance in Rat for the NCINI Class of Inhibitors of HIV
Published in ACS medicinal chemistry letters (12-06-2014)“…A scaffold replacement approach was used to identifying the pyridine series of noncatalytic site integrase inhibitors. These molecules bind with higher…”
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N- versus O-alkylation: Utilizing NMR methods to establish reliable primary structure determinations for drug discovery
Published in Bioorganic & medicinal chemistry letters (15-08-2013)“…A classic synthetic issue that remains unresolved is the reaction that involves the control of N- versus O-alkylation of ambident anions. This common chemical…”
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Anthranilic acid-based Thumb Pocket 2 HCV NS5B polymerase inhibitors with sub-micromolar potency in the cell-based replicon assay
Published in Bioorganic & medicinal chemistry letters (15-12-2013)“…Optimization efforts on the anthranilic acid-based Thumb Pocket 2 HCV NS5B polymerase inhibitors 1 and 2 resulted in the identification of multiple structural…”
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Structure-based design of novel HCV NS5B thumb pocket 2 allosteric inhibitors with submicromolar gt1 replicon potency: Discovery of a quinazolinone chemotype
Published in Bioorganic & medicinal chemistry letters (15-07-2013)“…We describe the structure-based design of a novel lead chemotype that binds to thumb pocket 2 of HCV NS5B polymerase and inhibits cell-based gt1 subgenomic…”
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