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Mattioli G, Schürmann R, Nicolafrancesco C, Giuliani A, Milosavljević AR. Effect of Protonation on the Molecular Structure of Adenosine 5'-Triphosphate: A Combined Theoretical and Near Edge X-ray Absorption Fine Structure Study. J Phys Chem Lett 2023; 14:10173-10180. [PMID: 37925744 PMCID: PMC10658619 DOI: 10.1021/acs.jpclett.3c01666] [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: 06/18/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
Abstract
The present work combines the near edge X-ray absorption mass spectrometry of a protonated adenosine 5'-triphosphate (ATP) molecule isolated in an ion trap with (time-dependent) density functional theory calculations. Our study unravels the effect of protonation on the ATP structure and its spectral properties, providing structure-property relationships at atomistic resolution for protonated ATP (ATPH) isolated in the gas-phase conditions. On the other hand, the present C and N K-edge X-ray absorption spectra of isolated ATPH appear closely like those previously reported for solvated ATP at low pH. Therefore, the present work should be relevant for further investigation and modeling of structure-function properties of protonated adenine and ATP in complex biological environments.
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Affiliation(s)
- Giuseppe Mattioli
- Istituto
di Struttura della Materia (ISM), Consiglio
Nazionale delle Ricerche (CNR), Area della Ricerca di Roma 1, CP 10, 00016 Monterotondo Scalo, Italy
| | - Robin Schürmann
- Synchrotron
SOLEIL, L’Orme
de Merisiers, Saint Aubin, BP 48, 91192 Gif-sur-Yvette Cedex, France
- Institute
of Chemistry, University of Potsdam, 14476 Potsdam, Germany
| | | | - Alexandre Giuliani
- Synchrotron
SOLEIL, L’Orme
de Merisiers, Saint Aubin, BP 48, 91192 Gif-sur-Yvette Cedex, France
- INRAE,
UAR1008, Transform Department, Rue de la Géraudière, BP 71627, 44316 Nantes, France
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Chevalier F, Schlathölter T, Poully JC. Radiation-Induced Transfer of Charge, Atoms, and Energy within Isolated Biomolecular Systems. Chembiochem 2023; 24:e202300543. [PMID: 37712497 DOI: 10.1002/cbic.202300543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/16/2023]
Abstract
In biological tissues, ionizing radiation interacts with a variety of molecules and the consequences include cell killing and the modification of mechanical properties. Applications of biological radiation action are for instance radiotherapy, sterilization, or the tailoring of biomaterial properties. During the first femtoseconds to milliseconds after the initial radiation action, biomolecular systems typically respond by transfer of charge, atoms, or energy. In the condensed phase, it is usually very difficult to distinguish direct effects from indirect effects. A straightforward solution for this problem is the use of gas-phase techniques, for instance from the field of mass spectrometry. In this review, we survey mainly experimental but also theoretical work, focusing on radiation-induced intra- and inter-molecular transfer of charge, atoms, and energy within biomolecular systems in the gas phase. Building blocks of DNA, proteins, and saccharides, but also antibiotics are considered. The emergence of general processes as well as their timescales and mechanisms are highlighted.
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Affiliation(s)
- François Chevalier
- CIMAP UMR 6252, CEA/CNRS/ENSICAEN/Université de Caen Normandie, Bd Becquerel, 14070, Caen, France
| | - Thomas Schlathölter
- Zernike Institute for Advanced Materials, University of Groningen, Groningen (The, Netherlands
- University College Groningen, University of Groningen, Groningen (The, Netherlands
| | - Jean-Christophe Poully
- CIMAP UMR 6252, CEA/CNRS/ENSICAEN/Université de Caen Normandie, Bd Becquerel, 14070, Caen, France
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3
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Marzullo BP, Morgan TE, Wootton CA, Perry SJ, Saeed M, Barrow MP, O'Connor PB. Advantages of Two-Dimensional Electron-Induced Dissociation and Infrared Multiphoton Dissociation Mass Spectrometry for the Analysis of Agrochemicals. Anal Chem 2020; 92:11687-11695. [PMID: 32700900 DOI: 10.1021/acs.analchem.0c01585] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Analysis of agrochemicals in an environmental matrix is challenging because these samples contain multiple agrochemicals, their metabolites, degradation products, and endogenous compounds. The analysis of such complex samples is achieved using chromatographic separation techniques coupled to mass spectrometry. Herein, we demonstrate a two-dimensional mass spectrometry (2DMS) technique on a 12 T Fourier transform ion cyclotron resonance mass spectrometer that can analyze a mixture of agrochemicals without using chromatography or quadrupole isolation in a single experiment. The resulting 2DMS contour plot contains abundant tandem MS information for each component in the sample and correlates product ions to their corresponding precursor ions. Two different fragmentation methods are employed, infrared multiphoton dissociation (IRMPD) and electron-induced dissociation (EID), with 2DMS to analyze the mixture of singly charged agrochemicals. The product ions of one of the agrochemicals, pirimiphos-methyl, present in the sample was used to internally calibrate the entire 2DMS spectrum, achieving sub part per million (ppm) to part per billion (ppb) mass accuracies for all species analyzed. The work described in this study will show the advantages of the 2DMS approach, by grouping species with common fragments/core structure and mutual functional groups, using precursor lines and neutral loss lines. In addition, the rich spectral information obtained from IRMPD and EID 2DMS contour plots can accurately identify and characterize agrochemicals.
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Affiliation(s)
- Bryan P Marzullo
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, United Kingdom
| | - Tomos E Morgan
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, United Kingdom
| | | | - Simon J Perry
- Product Metabolism & Analytical Sciences, Jealott's Hill International Research Centre, Syngenta, Bracknell, Berkshire RG42 6EY, United Kingdom
| | - Mansoor Saeed
- Product Metabolism & Analytical Sciences, Jealott's Hill International Research Centre, Syngenta, Bracknell, Berkshire RG42 6EY, United Kingdom
| | - Mark P Barrow
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, United Kingdom
| | - Peter B O'Connor
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, United Kingdom
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Marzullo BP, Morgan TE, Wootton CA, Li M, Perry SJ, Saeed M, Barrow MP, O'Connor PB. Comparison of Fragmentation Techniques for the Structural Characterization of Singly Charged Agrochemicals. Anal Chem 2020; 92:3143-3151. [PMID: 31909982 DOI: 10.1021/acs.analchem.9b04820] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Investigating the structure of active ingredients, such as agrochemicals and their associated metabolites, is a crucial requisite in the discovery and development of these molecules. In this study, structural characterization by electron-induced dissociation (EID) was compared to collisionally activated dissociation (CAD) on a series of agrochemicals. EID fragmentation produced a greater variety of fragment ions and complementary ion pairs leading to more complete functional group characterization compared to CAD. The results obtained displayed many more cross-ring fragmentation of the pyrimidine ring compared to the pyridine ring. Compounds that consisted of one aromatic heterocyclic moiety (azoxystrobin, fluazifop acid, fluazifop-p-butyl, and pirimiphos-methyl) displayed cross-ring fragmentation while compounds with only aromatic hydrocarbon rings (fenpropidin and S-metolachlor) displayed no cross-ring fragmentation. The advantages of high-resolution accurate mass spectrometry (HRAM MS) are shown with the majority of assignments at ppb range error values and the ability to differentiate ions with the same nominal mass but different elemental composition. This highlights the potential for HRAM MS and EID to be used as a tool for structural characterization of small molecules with a wide variety of functional groups and structural motifs.
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Affiliation(s)
- Bryan P Marzullo
- Department of Chemistry , University of Warwick , Coventry CV4 7AL , United Kingdom
| | - Tomos E Morgan
- Department of Chemistry , University of Warwick , Coventry CV4 7AL , United Kingdom
| | | | - Meng Li
- Department of Chemistry , University of Warwick , Coventry CV4 7AL , United Kingdom
| | - Simon J Perry
- Syngenta, Jealott's Hill International Research Centre , Product Metabolism & Analytical Sciences , RG42 6EY Berkshire , United Kingdom
| | - Mansoor Saeed
- Syngenta, Jealott's Hill International Research Centre , Product Metabolism & Analytical Sciences , RG42 6EY Berkshire , United Kingdom
| | - Mark P Barrow
- Department of Chemistry , University of Warwick , Coventry CV4 7AL , United Kingdom
| | - Peter B O'Connor
- Department of Chemistry , University of Warwick , Coventry CV4 7AL , United Kingdom
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Lopez-Clavijo AF, Griffiths RL, Goodwin RJA, Cooper HJ. Liquid Extraction Surface Analysis (LESA) Electron-Induced Dissociation and Collision-Induced Dissociation Mass Spectrometry of Small Molecule Drug Compounds. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2018; 29:2218-2226. [PMID: 30151679 DOI: 10.1007/s13361-018-2042-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/26/2018] [Accepted: 07/27/2018] [Indexed: 06/08/2023]
Abstract
Here, we present liquid extraction surface analysis (LESA) coupled with electron-induced dissociation (EID) mass spectrometry in a Fourier-transform ion cyclotron resonance mass spectrometer for the analysis of small organic pharmaceutical compounds directly from dosed tissue. First, the direct infusion electrospray ionisation EID and collision-induced dissociation (CID) behaviour of erlotinib, moxifloxacin, clozapine and olanzapine standards were compared. EID mass spectra were also compared with experimental or reference electron impact ionisation mass spectra. The results show that (with the exception of erlotinib) EID and CID result in complementary fragment ions. Subsequently, we performed LESA EID MS/MS and LESA CID MS/MS on singly charged ions of moxifloxacin and erlotinib extracted from a thin tissue section of rat kidney from a cassette-dosed animal. Both techniques provided structural information, with the majority of peaks observed for the drug standards also observed for the tissue-extracted species. Overall, these results demonstrate the feasibility of LESA EID MS/MS of drug compounds from dosed tissue and extend the number of molecular structures for which EID behaviour has been determined. Graphical Abstract ᅟ.
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Affiliation(s)
| | - Rian L Griffiths
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT, UK
| | - Richard J A Goodwin
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit, AstraZeneca, Darwin Building, Cambridge Science Park, Milton Road, Cambridge, CB4 0WG, UK
| | - Helen J Cooper
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT, UK.
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