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Woodhead AJ, Erlanson DA, de Esch IJP, Holvey RS, Jahnke W, Pathuri P. Fragment-to-Lead Medicinal Chemistry Publications in 2022. J Med Chem 2024; 67:2287-2304. [PMID: 38289623 DOI: 10.1021/acs.jmedchem.3c02070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
This Perspective is the eighth in an annual series that summarizes successful fragment-to-lead (F2L) case studies published each year. A tabulated summary of relevant articles published in 2022 is provided, and features such as target class, screening methods, and ligand efficiency are discussed both for the 2022 examples and for the combined examples over the years 2015-2022. In addition, trends and new developments in the field are summarized. In 2022, 18 publications described successful fragment-to-lead studies, including the development of three clinical compounds (MTRX1719, MK-8189, and BI-823911).
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Affiliation(s)
- Andrew J Woodhead
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Daniel A Erlanson
- Frontier Medicines, 151 Oyster Point Blvd., South San Francisco, California 94080, United States
| | - Iwan J P de Esch
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Rhian S Holvey
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Wolfgang Jahnke
- Novartis Biomedical Research, Discovery Sciences, 4002 Basel, Switzerland
| | - Puja Pathuri
- Astex Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
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2
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Altincekic N, Jores N, Löhr F, Richter C, Ehrhardt C, Blommers MJJ, Berg H, Öztürk S, Gande SL, Linhard V, Orts J, Abi Saad MJ, Bütikofer M, Kaderli J, Karlsson BG, Brath U, Hedenström M, Gröbner G, Sauer UH, Perrakis A, Langer J, Banci L, Cantini F, Fragai M, Grifagni D, Barthel T, Wollenhaupt J, Weiss MS, Robertson A, Bax A, Sreeramulu S, Schwalbe H. Targeting the Main Protease (M pro, nsp5) by Growth of Fragment Scaffolds Exploiting Structure-Based Methodologies. ACS Chem Biol 2024; 19:563-574. [PMID: 38232960 PMCID: PMC10877576 DOI: 10.1021/acschembio.3c00720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 01/19/2024]
Abstract
The main protease Mpro, nsp5, of SARS-CoV-2 (SCoV2) is one of its most attractive drug targets. Here, we report primary screening data using nuclear magnetic resonance spectroscopy (NMR) of four different libraries and detailed follow-up synthesis on the promising uracil-containing fragment Z604 derived from these libraries. Z604 shows time-dependent binding. Its inhibitory effect is sensitive to reducing conditions. Starting with Z604, we synthesized and characterized 13 compounds designed by fragment growth strategies. Each compound was characterized by NMR and/or activity assays to investigate their interaction with Mpro. These investigations resulted in the four-armed compound 35b that binds directly to Mpro. 35b could be cocrystallized with Mpro revealing its noncovalent binding mode, which fills all four active site subpockets. Herein, we describe the NMR-derived fragment-to-hit pipeline and its application for the development of promising starting points for inhibitors of the main protease of SCoV2.
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Affiliation(s)
- Nadide Altincekic
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Nathalie Jores
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Frank Löhr
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Institute
of Biophysical Chemistry, Goethe University
Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Christian Richter
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Claus Ehrhardt
- Department
of Biochemistry, University of Zurich, 8093 Zurich, Switzerland
| | | | - Hannes Berg
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Sare Öztürk
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Santosh L. Gande
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Verena Linhard
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Julien Orts
- Department
of Pharmaceutical Sciences, University of
Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Marie Jose Abi Saad
- Department
of Pharmaceutical Sciences, University of
Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Matthias Bütikofer
- Swiss
Federal Institute of Technology, Laboratory of Physical Chemistry, ETH Zurich, 8093 Zürich, Switzerland
| | - Janina Kaderli
- Swiss
Federal Institute of Technology, Laboratory of Physical Chemistry, ETH Zurich, 8093 Zürich, Switzerland
| | - B. Göran Karlsson
- Swedish
NMR Centre, Department of Chemistry and Molecular Biology, University of Gothenburg, SE40530 Göteborg, Sweden
- SciLifeLab, University of Gothenburg, SE40530 Göteborg, Sweden
| | - Ulrika Brath
- Swedish
NMR Centre, Department of Chemistry and Molecular Biology, University of Gothenburg, SE40530 Göteborg, Sweden
| | - Mattias Hedenström
- Swedish
NMR Centre, Department of Chemistry, University
of Umeå, SE-90187 Umeå, Sweden
| | - Gerhard Gröbner
- Swedish
NMR Centre, Department of Chemistry, University
of Umeå, SE-90187 Umeå, Sweden
| | - Uwe H. Sauer
- Protein
Production Sweden, Department of Chemistry, University of Umeå, SE-90187 Umeå, Sweden
| | - Anastassis Perrakis
- Oncode
Institute and Division of Biochemistry, The Netherlands Cancer Institute, 1066CX Amsterdam, The Netherlands
| | - Julian Langer
- Max Planck Institute of
Biophysics, D-60438 Frankfurt am Main, Germany
| | - Lucia Banci
- Magnetic
Resonance Center and Department of Chemistry, University of Florence, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy
- Consorzio
Interuniversitario Risonanze Magnetiche Metalloproteine, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy
| | - Francesca Cantini
- Magnetic
Resonance Center and Department of Chemistry, University of Florence, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy
- Consorzio
Interuniversitario Risonanze Magnetiche Metalloproteine, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy
| | - Marco Fragai
- Magnetic
Resonance Center and Department of Chemistry, University of Florence, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy
- Consorzio
Interuniversitario Risonanze Magnetiche Metalloproteine, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy
| | - Deborah Grifagni
- Magnetic
Resonance Center and Department of Chemistry, University of Florence, Via L. Sacconi 6, 50019 Sesto Fiorentino, Italy
| | - Tatjana Barthel
- Macromolecular
Crystallography, Helmholtz-Zentrum Berlin, Albert-Einstein-Str. 15, D-12489 Berlin, Germany
| | - Jan Wollenhaupt
- Macromolecular
Crystallography, Helmholtz-Zentrum Berlin, Albert-Einstein-Str. 15, D-12489 Berlin, Germany
| | - Manfred S. Weiss
- Macromolecular
Crystallography, Helmholtz-Zentrum Berlin, Albert-Einstein-Str. 15, D-12489 Berlin, Germany
| | | | - Adriaan Bax
- NIH, LCP NIDDK, Bethesda, Maryland 20892, United States
| | - Sridhar Sreeramulu
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
| | - Harald Schwalbe
- Institute
for Organic Chemistry and Chemical Biology, Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
- Center
of Biomolecular Magnetic Resonance (BMRZ), Goethe University Frankfurt am Main, D-60438 Frankfurt, Germany
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Hymon D, Martins J, Richter C, Sreeramulu S, Wacker A, Ferner J, Patwardhan NN, Hargrove AE, Schwalbe H. NMR 1H, 19F-based screening of the four stem-looped structure 5_SL1-SL4 located in the 5'-untranslated region of SARS-CoV 2 RNA. RSC Med Chem 2024; 15:165-177. [PMID: 38283228 PMCID: PMC10809358 DOI: 10.1039/d3md00322a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 10/16/2023] [Indexed: 01/30/2024] Open
Abstract
Development of new antiviral medication against the beta-coronavirus SARS-CoV-2 (SCoV2) is actively being pursued. Both NMR spectroscopy and crystallography as structural screening technologies have been utilised to screen the viral proteome for binding to fragment libraries. Here, we report on NMR screening of elements of the viral RNA genome with two different ligand libraries using 1H-NMR-screening experiments and 1H and 19F NMR-screening experiments for fluorinated compounds. We screened against the 5'-terminal 119 nucleotides located in the 5'-untranslated region of the RNA genome of SCoV2 and further dissected the four stem-loops into its constituent RNA elements to test specificity of binding of ligands to shorter and longer viral RNA stretches. The first library (DRTL-F library) is enriched in ligands binding to RNA motifs, while the second library (DSI-poised library) represents a fragment library originally designed for protein screening. Conducting screens with two different libraries allows us to compare different NMR screening methodologies, describe NMR screening workflows, validate the two different fragment libraries, and derive initial leads for further downstream medicinal chemistry optimisation.
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Affiliation(s)
- Daniel Hymon
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt Max-von-Laue-Str. 7 60438 Frankfurt/Main Germany
| | - Jason Martins
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt Max-von-Laue-Str. 7 60438 Frankfurt/Main Germany
| | - Christian Richter
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt Max-von-Laue-Str. 7 60438 Frankfurt/Main Germany
| | - Sridhar Sreeramulu
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt Max-von-Laue-Str. 7 60438 Frankfurt/Main Germany
| | - Anna Wacker
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt Max-von-Laue-Str. 7 60438 Frankfurt/Main Germany
| | - Jan Ferner
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt Max-von-Laue-Str. 7 60438 Frankfurt/Main Germany
| | | | - Amanda E Hargrove
- Department of Chemistry, Duke University Durham North Carolina 27708 USA
| | - Harald Schwalbe
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt Max-von-Laue-Str. 7 60438 Frankfurt/Main Germany
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4
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Duchardt-Ferner E, Ferner J, Fürtig B, Hengesbach M, Richter C, Schlundt A, Sreeramulu S, Wacker A, Weigand JE, Wirmer-Bartoschek J, Schwalbe H. The COVID19-NMR Consortium: A Public Report on the Impact of this New Global Collaboration. Angew Chem Int Ed Engl 2023; 62:e202217171. [PMID: 36748955 DOI: 10.1002/anie.202217171] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Indexed: 02/08/2023]
Abstract
The outbreak of COVID-19 in December 2019 required the formation of international consortia for a coordinated scientific effort to understand and combat the virus. In this Viewpoint Article, we discuss how the NMR community has gathered to investigate the genome and proteome of SARS-CoV-2 and tested them for binding to low-molecular-weight binders. External factors including extended lockdowns due to the global pandemic character of the viral infection triggered the transition from locally focused collaborative research conducted within individual research groups to digital exchange formats for immediate discussion of unpublished results and data analysis, sample sharing, and coordinated research between more than 50 groups from 18 countries simultaneously. We discuss key lessons that might pertain after the end of the pandemic and challenges that we need to address.
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Affiliation(s)
- Elke Duchardt-Ferner
- Institute for Biomolecular Sciences, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 9, 60438, Frankfurt/M., Germany
| | - Jan Ferner
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt/M., Germany
| | - Boris Fürtig
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt/M., Germany
| | - Martin Hengesbach
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt/M., Germany
| | - Christian Richter
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt/M., Germany
| | - Andreas Schlundt
- Institute for Biomolecular Sciences, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 9, 60438, Frankfurt/M., Germany
| | - Sridhar Sreeramulu
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt/M., Germany
| | - Anna Wacker
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt/M., Germany
| | - Julia E Weigand
- Philipps-University Marburg, Department of Pharmacy, Institute of Pharmaceutical Chemistry, Marbacher Weg 6, 35037, Marburg, Germany
| | - Julia Wirmer-Bartoschek
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt/M., Germany
| | - Harald Schwalbe
- Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance (BMRZ), Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt/M., Germany
- Instruct-ERIC, Oxford House, Parkway Court, John Smith Drive, Oxford, OX4 2JY, UK
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