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Kirchgäßner S, Braun MB, Bartlick N, Koç C, Reinkemeier CD, Lemke EA, Stehle T, Schwarzer D. Synthesis, Biochemical Characterization, and Genetic Encoding of a 1,2,4-Triazole Amino Acid as an Acetyllysine Mimic for Bromodomains of the BET Family. Angew Chem Int Ed Engl 2023; 62:e202215460. [PMID: 36585954 DOI: 10.1002/anie.202215460] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/23/2022] [Accepted: 12/29/2022] [Indexed: 01/01/2023]
Abstract
Lysine acetylation is a charge-neutralizing post-translational modification of proteins bound by bromodomains (Brds). A 1,2,4-triazole amino acid (ApmTri) was established as acetyllysine (Kac) mimic recruiting Brds of the BET family in contrast to glutamine commonly used for simulating this modification. Optimization of triazole substituents and side chain spacing allowed BET Brd recruitment to ApmTri-containing peptides with affinities similar to native substrates. Crystal structures of ApmTri-containing peptides in complex with two BET Brds revealed the binding mode which mirrored that of Kac ligands. ApmTri was genetically encoded and recombinant ApmTri-containing proteins co-enriched BRD3(2) from cellular lysates. This interaction was blocked by BET inhibitor JQ1. With genetically encoded ApmTri, biochemistry is now provided with a stable Kac mimic reflecting charge neutralization and Brd recruitment, allowing new investigations into BET proteins in vitro and in vivo.
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Affiliation(s)
- Sören Kirchgäßner
- Interfakultäres Institut für Biochemie, Universität Tübingen, Auf der Morgenstelle 34, 72076, Tübingen, Germany
| | - Michael B Braun
- Interfakultäres Institut für Biochemie, Universität Tübingen, Auf der Morgenstelle 34, 72076, Tübingen, Germany
| | - Natascha Bartlick
- Interfakultäres Institut für Biochemie, Universität Tübingen, Auf der Morgenstelle 34, 72076, Tübingen, Germany
| | - Cengiz Koç
- Interfakultäres Institut für Biochemie, Universität Tübingen, Auf der Morgenstelle 34, 72076, Tübingen, Germany.,Current address: Department of Infection, Immunity & Cardiovascular Disease, University of Sheffield, The Medical School, Beech Hill Rd, Sheffield, S10 2RX, UK
| | - Christopher D Reinkemeier
- Biocenter, Johannes Gutenberg University Mainz, 55128, Mainz, Germany.,Institute of Molecular Biology Mainz, 55128, Mainz, Germany.,Current address: Department of Biosystems Science and Engineering Basel, ETH Zurich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Edward A Lemke
- Biocenter, Johannes Gutenberg University Mainz, 55128, Mainz, Germany.,Institute of Molecular Biology Mainz, 55128, Mainz, Germany
| | - Thilo Stehle
- Interfakultäres Institut für Biochemie, Universität Tübingen, Auf der Morgenstelle 34, 72076, Tübingen, Germany
| | - Dirk Schwarzer
- Interfakultäres Institut für Biochemie, Universität Tübingen, Auf der Morgenstelle 34, 72076, Tübingen, Germany
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2
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Guan J, Spry C, Tjhin ET, Yang P, Kittikool T, Howieson VM, Ling H, Starrs L, Duncan D, Burgio G, Saliba KJ, Auclair K. Exploring Heteroaromatic Rings as a Replacement for the Labile Amide of Antiplasmodial Pantothenamides. J Med Chem 2021; 64:4478-4497. [PMID: 33792339 DOI: 10.1021/acs.jmedchem.0c01755] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Malaria-causing Plasmodium parasites are developing resistance to antimalarial drugs, providing the impetus for new antiplasmodials. Although pantothenamides show potent antiplasmodial activity, hydrolysis by pantetheinases/vanins present in blood rapidly inactivates them. We herein report the facile synthesis and biological activity of a small library of pantothenamide analogues in which the labile amide group is replaced with a heteroaromatic ring. Several of these analogues display nanomolar antiplasmodial activity against Plasmodium falciparum and/or Plasmodium knowlesi, and are stable in the presence of pantetheinase. Both a known triazole and a novel isoxazole derivative were further characterized and found to possess high selectivity indices, medium or high Caco-2 permeability, and medium or low microsomal clearance in vitro. Although they fail to suppress Plasmodium berghei proliferation in vivo, the pharmacokinetic and contact time data presented provide a benchmark for the compound profile likely required to achieve antiplasmodial activity in mice and should facilitate lead optimization.
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Affiliation(s)
- Jinming Guan
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
| | - Christina Spry
- Research School of Biology, The Australian National University, Acton, ACT 2601, Australia
| | - Erick T Tjhin
- Research School of Biology, The Australian National University, Acton, ACT 2601, Australia
| | - Penghui Yang
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada.,College of Chemistry and Chemical Engineering, Xi'an Shiyou University, Xi'an 710065, China
| | - Tanakorn Kittikool
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
| | - Vanessa M Howieson
- Research School of Biology, The Australian National University, Acton, ACT 2601, Australia
| | - Harriet Ling
- Research School of Biology, The Australian National University, Acton, ACT 2601, Australia
| | - Lora Starrs
- John Curtin School of Medical Research, The Australian National University, Acton, ACT 2601, Australia
| | - Dustin Duncan
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
| | - Gaetan Burgio
- John Curtin School of Medical Research, The Australian National University, Acton, ACT 2601, Australia
| | - Kevin J Saliba
- Research School of Biology, The Australian National University, Acton, ACT 2601, Australia.,Medical School, The Australian National University, Acton, ACT 2601, Australia
| | - Karine Auclair
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
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3
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Schiedel M, Moroglu M, Ascough DMH, Chamberlain AER, Kamps JJAG, Sekirnik AR, Conway SJ. Chemical Epigenetics: The Impact of Chemical and Chemical Biology Techniques on Bromodomain Target Validation. Angew Chem Int Ed Engl 2019; 58:17930-17952. [DOI: 10.1002/anie.201812164] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 01/08/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Matthias Schiedel
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Mustafa Moroglu
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA UK
| | - David M. H. Ascough
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Anna E. R. Chamberlain
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Jos J. A. G. Kamps
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Angelina R. Sekirnik
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Stuart J. Conway
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA UK
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4
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Schiedel M, Moroglu M, Ascough DMH, Chamberlain AER, Kamps JJAG, Sekirnik AR, Conway SJ. Chemische Epigenetik: der Einfluss chemischer und chemo‐biologischer Techniken auf die Zielstruktur‐Validierung von Bromodomänen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812164] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Matthias Schiedel
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA Großbritannien
| | - Mustafa Moroglu
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA Großbritannien
| | - David M. H. Ascough
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA Großbritannien
| | - Anna E. R. Chamberlain
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA Großbritannien
| | - Jos J. A. G. Kamps
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA Großbritannien
| | - Angelina R. Sekirnik
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA Großbritannien
| | - Stuart J. Conway
- Department of ChemistryChemistry Research LaboratoryUniversity of Oxford Mansfield Road Oxford OX1 3TA Großbritannien
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5
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Naumovich YA, Golovanov IS, Sukhorukov AY, Ioffe SL. Addition of HO-Acids to N
,N
-Bis(oxy)enamines: Mechanism, Scope and Application to the Synthesis of Pharmaceuticals. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701266] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yana A. Naumovich
- Laboratory of Functional Organic Compounds; N. D. Zelinsky Institute of Organic Chemistry; Leninsky prospect, 47 119991 Moscow Russia
| | - Ivan S. Golovanov
- Laboratory of Functional Organic Compounds; N. D. Zelinsky Institute of Organic Chemistry; Leninsky prospect, 47 119991 Moscow Russia
| | - Alexey Yu. Sukhorukov
- Laboratory of Functional Organic Compounds; N. D. Zelinsky Institute of Organic Chemistry; Leninsky prospect, 47 119991 Moscow Russia
| | - Sema L. Ioffe
- Laboratory of Functional Organic Compounds; N. D. Zelinsky Institute of Organic Chemistry; Leninsky prospect, 47 119991 Moscow Russia
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