Evidence map›Paper›PMID 35108001›Full record

ArticleJournal of medicinal chemistry2022

Importance of Binding Site Hydration and Flexibility Revealed When Optimizing a Macrocyclic Inhibitor of the Keap1-Nrf2 Protein-Protein Interaction.

Fabio Begnini, Stefan Geschwindner, Patrik Johansson, Lisa Wissler, Richard J Lewis, Emma Danelius, Andreas Luttens, Pierre Matricon, Jens Carlsson, Stijn Lenders and 5 more

Erratum issuedOpen access · hybridAbstract read
In one paragraph

Article in Journal of medicinal chemistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.9field-weighted citation impact, top 8% of its field
1 · What the graph read from it

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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 35 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

15 authors at 3 institutions in 2 countries.

Fabio BegniniDepartment of Chemistry─BMC, Uppsala University, Box 576, 75123 Uppsala, Sweden.
Stefan GeschwindnerMechanistic and Structural Biology, Discovery Sciences, R&D, AstraZeneca, 43183 Mölndal, Sweden.ORCID 0000-0002-2154-8345
Patrik JohanssonMechanistic and Structural Biology, Discovery Sciences, R&D, AstraZeneca, 43183 Mölndal, Sweden.
Lisa WisslerMechanistic and Structural Biology, Discovery Sciences, R&D, AstraZeneca, 43183 Mölndal, Sweden.
Richard J LewisDepartment of Medicinal Chemistry, Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, 43183 Mölndal, Sweden.ORCID 0000-0001-9404-8520
Emma DaneliusDepartment of Chemistry─BMC, Uppsala University, Box 576, 75123 Uppsala, Sweden.
Andreas LuttensScience for Life Laboratory, Department of Cell and Molecular Biology, Uppsala University, Box 596, 75124 Uppsala, Sweden.ORCID 0000-0003-2915-7901
Pierre MatriconScience for Life Laboratory, Department of Cell and Molecular Biology, Uppsala University, Box 596, 75124 Uppsala, Sweden.ORCID 0000-0001-9350-896X
Jens CarlssonScience for Life Laboratory, Department of Cell and Molecular Biology, Uppsala University, Box 596, 75124 Uppsala, Sweden.ORCID 0000-0003-4623-2977
Stijn LendersDepartment of Chemistry─BMC, Uppsala University, Box 576, 75123 Uppsala, Sweden.ORCID 0000-0002-8833-9353
Beate KönigDepartment of Chemistry─BMC, Uppsala University, Box 576, 75123 Uppsala, Sweden.
Anna FriedelDepartment of Chemistry─BMC, Uppsala University, Box 576, 75123 Uppsala, Sweden.
Peter SjöDrugs for Neglected Diseases Initiative (DNDi), 15 Chemin Camille-Vidart, 1202 Geneva, Switzerland.
Stefan SchiesserDepartment of Medicinal Chemistry, Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, 43183 Mölndal, Sweden.ORCID 0000-0002-8668-2844
Jan KihlbergDepartment of Chemistry─BMC, Uppsala University, Box 576, 75123 Uppsala, Sweden.ORCID 0000-0002-4205-6040
Uppsala University · SEAstraZeneca (Sweden) · SEDrugs for Neglected Diseases Initiative · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Upregulation of the transcription factor Nrf2 by inhibition of the interaction with its negative regulator Keap1 constitutes an opportunity for the treatment of disease caused by oxidative stress. We report a structurally unique series of nanomolar Keap1 inhibitors obtained from a natural product-derived macrocyclic lead. Initial exploration of the structure-activity relationship of the lead, followed by structure-guided optimization, resulted in a 100-fold improvement in inhibitory potency. The macrocyclic core of the nanomolar inhibitors positions three pharmacophore units for productive interactions with key residues of Keap1, including R415, R483, and Y572. Ligand optimization resulted in the displacement of a coordinated water molecule from the Keap1 binding site and a significantly altered thermodynamic profile. In addition, minor reorganizations of R415 and R483 were accompanied by major differences in affinity between ligands. This study therefore indicates the importance of accounting both for the hydration and flexibility of the Keap1 binding site when designing high-affinity ligands.

Indexed as

AnimalsBinding SitesHepatocytesHumansKelch-Like ECH-Associated Protein 1LigandsMacrocyclic CompoundsMicrosomes, LiverModels, MolecularMolecular Docking SimulationNF-E2-Related Factor 2RatsSignal TransductionStructure-Activity RelationshipKEAP1 protein, humanKelch-Like ECH-Associated Protein 1LigandsMacrocyclic CompoundsNFE2L2 protein, humanNF-E2-Related Factor 2

Identifiers

PMID35108001
PMCPMC8883477
OpenAlexW4210341009

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.