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Abdelkafi H, Michau A, Pons V, Ngadjeua F, Clerget A, Ait Ouarab L, Buisson DA, Montoir D, Caramelle L, Gillet D, Barbier J, Cintrat JC. Structure-Activity Relationship Studies of Retro-1 Analogues against Shiga Toxin. J Med Chem 2020; 63:8114-8133. [PMID: 32648758 DOI: 10.1021/acs.jmedchem.0c00298] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
High-throughput screening has shown that Retro-1 inhibits ricin and Shiga toxins by diminishing their intracellular trafficking via the retrograde route, from early endosomes to the Golgi apparatus. To improve the activity of Retro-1, a structure-activity relationship (SAR) study was undertaken and yielded an analogue with a roughly 70-fold better half-maximal effective concentration (EC50) against Shiga toxin cytotoxicity measured in a cell protein synthesis assay.
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Affiliation(s)
- Hajer Abdelkafi
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France
| | - Aurélien Michau
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, France
| | - Valérie Pons
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France
| | - Flora Ngadjeua
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, France
| | - Alexandra Clerget
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, France
| | - Lilia Ait Ouarab
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France
| | - David-Alexandre Buisson
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France
| | - David Montoir
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France
| | - Lucie Caramelle
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, France
| | - Daniel Gillet
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, France
| | - Julien Barbier
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, France
| | - Jean-Christophe Cintrat
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, France
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Ngadjeua F, Braud E, Saidjalolov S, Iannazzo L, Schnappinger D, Ehrt S, Hugonnet JE, Mengin-Lecreulx D, Patin D, Ethève-Quelquejeu M, Fonvielle M, Arthur M. Critical Impact of Peptidoglycan Precursor Amidation on the Activity ofl,d-Transpeptidases fromEnterococcus faeciumandMycobacterium tuberculosis. Chemistry 2018; 24:5743-5747. [DOI: 10.1002/chem.201706082] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Flora Ngadjeua
- INSERM UMRS 1138; Sorbonne Universités UPMC Univ Paris 06
- Sorbonne Paris Cité, Université Paris Descartes, Université Paris Diderot
- Centre de Recherche des Cordeliers; 75006 Paris France
| | - Emmanuelle Braud
- Laboratoire de Chimie et de Biochimie, Pharmacologiques et Toxicologiques; Université Paris Descartes, UMR 8601; Paris 75005 France
- CNRS UMR 8601; Paris 75006 France
| | - Saidbakhrom Saidjalolov
- Laboratoire de Chimie et de Biochimie, Pharmacologiques et Toxicologiques; Université Paris Descartes, UMR 8601; Paris 75005 France
- CNRS UMR 8601; Paris 75006 France
| | - Laura Iannazzo
- Laboratoire de Chimie et de Biochimie, Pharmacologiques et Toxicologiques; Université Paris Descartes, UMR 8601; Paris 75005 France
- CNRS UMR 8601; Paris 75006 France
| | - Dirk Schnappinger
- Department of Microbiology and Immunology; Weill Cornell Medical College; New York NY 10021 USA
| | - Sabine Ehrt
- Department of Microbiology and Immunology; Weill Cornell Medical College; New York NY 10021 USA
| | - Jean-Emmanuel Hugonnet
- INSERM UMRS 1138; Sorbonne Universités UPMC Univ Paris 06
- Sorbonne Paris Cité, Université Paris Descartes, Université Paris Diderot
- Centre de Recherche des Cordeliers; 75006 Paris France
| | - Dominique Mengin-Lecreulx
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Univ Paris-Sud; Université Paris-Saclay; 91198 Gif-sur-Yvette cedex France
| | - Delphine Patin
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Univ Paris-Sud; Université Paris-Saclay; 91198 Gif-sur-Yvette cedex France
| | - Mélanie Ethève-Quelquejeu
- Laboratoire de Chimie et de Biochimie, Pharmacologiques et Toxicologiques; Université Paris Descartes, UMR 8601; Paris 75005 France
- CNRS UMR 8601; Paris 75006 France
| | - Matthieu Fonvielle
- INSERM UMRS 1138; Sorbonne Universités UPMC Univ Paris 06
- Sorbonne Paris Cité, Université Paris Descartes, Université Paris Diderot
- Centre de Recherche des Cordeliers; 75006 Paris France
| | - Michel Arthur
- INSERM UMRS 1138; Sorbonne Universités UPMC Univ Paris 06
- Sorbonne Paris Cité, Université Paris Descartes, Université Paris Diderot
- Centre de Recherche des Cordeliers; 75006 Paris France
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Ngadjeua F, Chiaravalli J, Traincard F, Raynal B, Fontan E, Agou F. Two-sided ubiquitin binding of NF-κB essential modulator (NEMO) zinc finger unveiled by a mutation associated with anhidrotic ectodermal dysplasia with immunodeficiency syndrome. J Biol Chem 2013; 288:33722-33737. [PMID: 24100029 DOI: 10.1074/jbc.m113.483305] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Hypomorphic mutations in the X-linked human NEMO gene result in various forms of anhidrotic ectodermal dysplasia with immunodeficiency. NEMO function is mediated by two distal ubiquitin binding domains located in the regulatory C-terminal domain of the protein: the coiled-coil 2-leucine zipper (CC2-LZ) domain and the zinc finger (ZF) domain. Here, we investigated the effect of the D406V mutation found in the NEMO ZF of an ectodermal dysplasia with immunodeficiency patients. This point mutation does not impair the folding of NEMO ZF or mono-ubiquitin binding but is sufficient to alter NEMO function, as NEMO-deficient fibroblasts and Jurkat T lymphocytes reconstituted with full-length D406V NEMO lead to partial and strong defects in NF-κB activation, respectively. To further characterize the ubiquitin binding properties of NEMO ZF, we employed di-ubiquitin (di-Ub) chains composed of several different linkages (Lys-48, Lys-63, and linear (Met-1-linked)). We showed that the pathogenic mutation preferentially impairs the interaction with Lys-63 and Met-1-linked di-Ub, which correlates with its ubiquitin binding defect in vivo. Furthermore, sedimentation velocity and gel filtration showed that NEMO ZF, like other NEMO related-ZFs, binds mono-Ub and di-Ub with distinct stoichiometries, indicating the presence of a new Ub site within the NEMO ZF. Extensive mutagenesis was then performed on NEMO ZF and characterization of mutants allowed the proposal of a structural model of NEMO ZF in interaction with a Lys-63 di-Ub chain.
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Affiliation(s)
- Flora Ngadjeua
- Institut Pasteur, Unité de Biochimie Structurale et Cellulaire, Department of Structural Biology and Chemistry, CNRS, UMR 3528, 25/28 rue du Dr. Roux 75724 Paris cedex 15, France; Université Pierre et Marie Curie, Cellule Pasteur UPMC, rue du Dr. Roux 75015 Paris, France
| | - Jeanne Chiaravalli
- Institut Pasteur, Unité de Biochimie Structurale et Cellulaire, Department of Structural Biology and Chemistry, CNRS, UMR 3528, 25/28 rue du Dr. Roux 75724 Paris cedex 15, France
| | - François Traincard
- Institut Pasteur, Unité de Biochimie Structurale et Cellulaire, Department of Structural Biology and Chemistry, CNRS, UMR 3528, 25/28 rue du Dr. Roux 75724 Paris cedex 15, France
| | - Bertrand Raynal
- Plateforme de Biophysique des Macromolécules et de leurs Interactions, Institut Pasteur, Department of Structural Biology and Chemistry, CNRS, UMR 3528, 25/28 rue du Dr. Roux 75724 Paris cedex 15, France
| | - Elisabeth Fontan
- Institut Pasteur, Unité de Biochimie Structurale et Cellulaire, Department of Structural Biology and Chemistry, CNRS, UMR 3528, 25/28 rue du Dr. Roux 75724 Paris cedex 15, France
| | - Fabrice Agou
- Institut Pasteur, Unité de Biochimie Structurale et Cellulaire, Department of Structural Biology and Chemistry, CNRS, UMR 3528, 25/28 rue du Dr. Roux 75724 Paris cedex 15, France.
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