ArticleiScience2021
Identification of binding sites for ivacaftor on the cystic fibrosis transmembrane conductance regulator.
Article in iScience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
The trial behind it
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
34 citing papers in PubMed, 51 citations in OpenAlex.
- Mechanistic Insights into CFTR Potentiation by the Antimicrobial Peptide Esc(1-21): Direct Interaction with the NBD1-NBD2 Interface.ACS omega · 2026Article
- Combining Gene Therapy with Current Modulator Treatments for Cystic Fibrosis: A Promising Area of Research.Pharmaceutics · 2026Review
- Disruption of MCL1/BOK transmembrane interaction as a novel strategy to induce cell death in tumours.Cell death & disease · 2026Article
- Photoaffinity Ligand of Cystic Fibrosis Corrector VX-445 Identifies SCCPDH as an Off-Target.ACS chemical biology · 2025Article
- LIBX-A401: A Novel Selective Inhibitor of Acyl-CoA Synthetase Long Chain Family Member 4 (ACSL4) and Its Binding Mode.Angewandte Chemie (International ed. in English) · 2025Article
- Target Identification with Live-Cell Photoaffinity Labeling and Mechanism of Action Elucidation of ARN23765, a Highly Potent CFTR Corrector.Journal of medicinal chemistry · 2025Article
- Unraveling the Mechanism of Action, Binding Sites, and Therapeutic Advances of CFTR Modulators: A Narrative Review.Current issues in molecular biology · 2025Review
- CFTR as a therapeutic target for severe lung infection.American journal of physiology. Lung cellular and molecular physiology · 2025Review
- Article
- Article
- Novel gain-of-function mutants identify a critical region within CFTR membrane-spanning domain 2 controlling cAMP-dependent and ATP-independent channel activation.Cellular and molecular life sciences : CMLS · 2024Article
- Systematic deletion of symmetricalNAR molecular medicine · 2024Article
- Recommended Tool Compounds for Modifying the Cystic Fibrosis Transmembrane Conductance Regulator Channel Variants.ACS pharmacology & translational science · 2024Review
- Organic Synthesis and Current Understanding of the Mechanisms of CFTR Modulator Drugs Ivacaftor, Tezacaftor, and Elexacaftor.Molecules (Basel, Switzerland) · 2024Review
- CFTR Modulators: From Mechanism to Targeted Therapeutics.Handbook of experimental pharmacology · 2024Article
- Two rare variants that affect the same amino acid in CFTR have distinct responses to ivacaftor.The Journal of physiology · 2024Article
- Exploring the Mechanism of Activation of CFTR by Curcuminoids: An Ensemble Docking Study.International journal of molecular sciences · 2023Article
- Article
- Article
- Advancements in small molecule drug design: A structural perspective.Drug discovery today · 2023Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ivacaftor (VX-770) was the first cystic fibrosis transmembrane conductance regulator (CFTR) modulatory drug approved for the treatment of patients with cystic fibrosis. Electron cryomicroscopy (cryo-EM) studies of detergent-solubilized CFTR indicated that VX-770 bound to a site at the interface between solvent and a hinge region in the CFTR protein conferred by transmembrane (tm) helices: tm4, tm5, and tm8. We re-evaluated VX-770 binding to CFTR in biological membranes using photoactivatable VX-770 probes. One such probe covalently labeled CFTR at two sites as determined following trypsin digestion and analysis by tandem-mass spectrometry. One labeled peptide resides in the cytosolic loop 4 of CFTR and the other is located in tm8, proximal to the site identified by cryo-EM. Complementary data from functional and molecular dynamic simulation studies support a model, where VX-770 mediates potentiation via multiple sites in the CFTR protein.
Indexed as
Identifiers
What OpenQuestion holds
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.