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Martínez-Fernández L, Ranković ML, Canon F, Nahon L, Giuliani A, Milosavljević AR, Martin-Somer A. Photodissociation of leucine-enkephalin protonated peptide: an experimental and theoretical perspective. RSC Adv 2024; 14:16809-16820. [PMID: 38784408 PMCID: PMC11112675 DOI: 10.1039/d4ra01690d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
Understanding the competing processes that govern far ultraviolet photodissociation (FUV-PD) of biopolymers such as proteins is a challenge. Here, we report a combined experimental and theoretical investigation of FUV-PD of protonated leucine-enkephalin pentapeptide ([YGGFL + H]+) in the gas-phase. Time-dependent density functional theory (TD-DFT) calculations in combination with experiments and previous results for amino acids and shorter peptides help in rationalizing the evolution of the excited states. The results confirm that fragmentation of [YGGFL + H]+ results mainly from vibrationally excited species in the ground electronic state, populated after internal conversion. We also propose fragmentation mechanisms for specific photo-fragments such as tyrosine side chain loss (with an extra hydrogen) or hydrogen loss. In general, we observe the same mechanisms as for smaller peptides or protonated Tyr and Phe, that are not quenched by the presence of other amino acids. Nevertheless, we also found some differences, as for H loss, in part due to the fact that the charge is solvated by the peptide chain and not only by the COOH terminal group.
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Affiliation(s)
- Lara Martínez-Fernández
- Departamento de Química Física de Materiales, Instituto de Química Física de Materiales, Instituto de Química Física Blas Cabrera, CSIC 28006 Madrid Spain
| | - Miloš Lj Ranković
- Institute of Physics Belgrade, University of Belgrade Pregrevica 118 11080 Belgrade Serbia
| | - Francis Canon
- SOLEIL l'Orme des Merisiers, St Aubin, BP48, F-91192 Gif sur Yvette Cedex France
| | - Laurent Nahon
- SOLEIL l'Orme des Merisiers, St Aubin, BP48, F-91192 Gif sur Yvette Cedex France
| | - Alexandre Giuliani
- SOLEIL l'Orme des Merisiers, St Aubin, BP48, F-91192 Gif sur Yvette Cedex France
- INRAE, Dpet. Transform UAR1008, Rue de la Géraudière, BP 71627 F-44316 Nantes France
| | | | - Ana Martin-Somer
- Departamento de Química Física Aplicada, Universidad Autónoma de Madrid Módulo 14 28049 Spain
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2
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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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Liu M, Abdelmouleh M, Giuliani A, Nahon L, Poully JC. UV-VUV Photofragmentation Spectroscopy of Isolated Neutral Fragile Macromolecules: A Proof-of-Principle Based on a Deprotonated Vancomycin-Peptide Noncovalent Complex. J Phys Chem A 2022; 126:9042-9050. [PMID: 36442079 DOI: 10.1021/acs.jpca.2c07744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The gas phase offers the possibility to analyze organic molecules by ultraviolet-vacuum ultraviolet (UV-VUV) spectroscopy without any solvent effect or limitation in terms of spectral range due to absorption by the solvent. Up to now, the size and chemical composition of neutral molecular systems under study have been limited by the use of vaporization methods based on thermal heating. Soft sources of gas-phase thermolabile molecular systems such as electrospray or matrix-assisted laser desorption ionization are appealing alternatives to heating-based techniques, but they lead to the production of ions. In such cases, UV-VUV action spectroscopy is then the method of choice to study the electronic structure and corresponding photodynamics of these gas-phase molecular ions. However, previous investigations have shown that the UV-VUV action spectrum of a given molecular ion depends on the charge state, which in many cases might be a caveat. Here, by means of synchrotron radiation coupled to mass spectrometry and through the test case of the glycopeptide antibiotic vancomycin noncovalently bound to a deprotonated small peptide, we show that the UV-VUV photofragmentation spectrum of neutral thermally fragile organic molecules can be obtained via charge-tagging action spectroscopy.
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Affiliation(s)
- Min Liu
- CIMAP, UMR 6252 CEA/CNRS/ENSICAEN/Université de Caen Normandie, Bd Becquerel, 14070Caen, France
| | - Marwa Abdelmouleh
- CIMAP, UMR 6252 CEA/CNRS/ENSICAEN/Université de Caen Normandie, Bd Becquerel, 14070Caen, France
| | - Alexandre Giuliani
- SOLEIL, l'Orme des Merisiers, St. Aubin, BP48, 91192Gif sur Yvette, Cedex, France.,INRAE, UAR1008, Transform Department, Rue de la Géraudière, BP 71627, 44316Nantes, France
| | - Laurent Nahon
- SOLEIL, l'Orme des Merisiers, St. Aubin, BP48, 91192Gif sur Yvette, Cedex, France
| | - Jean-Christophe Poully
- CIMAP, UMR 6252 CEA/CNRS/ENSICAEN/Université de Caen Normandie, Bd Becquerel, 14070Caen, France
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4
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Schubert K, Schwob L, Dörner S, Girod M, MacAleese L, Pieterse CL, Schlathölter T, Techert S, Bari S. Ionization and Photofragmentation of Isolated Metalloporphyrin Cations Investigated by VUV Action Spectroscopy*. Chemistry 2021; 27:12371-12379. [PMID: 34137472 PMCID: PMC8457234 DOI: 10.1002/chem.202101515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Indexed: 11/13/2022]
Abstract
We investigated the photoionization and fragmentation of isolated metal protoporphyrin IX cations (MPPIX+ with M=Fe, Co, Zn) by means of vacuum-ultraviolet (VUV) action spectroscopy in the energy range of 8.5-35 eV. Experiments were carried out in the gas phase by interfacing an electrospray ionization tandem mass spectrometer with a synchrotron beamline. The mass spectra and partial ion yields show that photoexcitation of the precursor ions predominantly leads to . CH2 COOH radical side-chain losses of the macrocycle with additional methyl radical (. CH3 ) side-chain losses. Ionization, in contrast, leads to the formation of the intact ionized precursor and various doubly charged fragments which are mostly due to side-chain cleavages. Although statistical fragmentation dominates, we found evidence for non-statistical processes such as new fragments involving for example single and double H2 O losses, indicating that different relaxation mechanisms are at play upon photoionization compared to photoexcitation. The measured ionization energies were 9.6±0.2 eV, 9.4±0.2 eV and 9.6±0.2 eV for FePPIX+ , CoPPIX+ and ZnPPIX+ , respectively.
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Affiliation(s)
- Kaja Schubert
- Deutsches Elektronen-Synchrotron DESYNotkestr. 8522607HamburgGermany
| | - Lucas Schwob
- Deutsches Elektronen-Synchrotron DESYNotkestr. 8522607HamburgGermany
| | - Simon Dörner
- Deutsches Elektronen-Synchrotron DESYNotkestr. 8522607HamburgGermany
| | - Marion Girod
- Univ LyonUniversité Claude Bernard Lyon 1CNRS UMR 5280Institut des Sciences Analytiques5 rue de la Doua69100VilleurbanneFrance
| | - Luke MacAleese
- Univ LyonUniversité Claude Bernard Lyon 1CNRS UMR 5306Institut Lumière Matière69622LyonFrance
| | | | - Thomas Schlathölter
- Zernike Institute for Advanced MaterialsUniversity of GroningenNijenborgh 49747 AGGroningenThe Netherlands
| | - Simone Techert
- Deutsches Elektronen-Synchrotron DESYNotkestr. 8522607HamburgGermany
- Institut für RöntgenphysikGeorg-August-Universität GöttingenFriedrich-Hund-Platz 137077GöttingenGermany
| | - Sadia Bari
- Deutsches Elektronen-Synchrotron DESYNotkestr. 8522607HamburgGermany
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5
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Sasiene ZJ, Mendis PM, Jackson GP. Quantitative Assessment of Six Different Reagent Gases for Charge Transfer Dissociation (CTD) of Biological Ions. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY 2021; 462:116532. [PMID: 33679212 PMCID: PMC7928426 DOI: 10.1016/j.ijms.2021.116532] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Charge transfer dissociation mass spectrometry (CTD-MS) has been shown to induce high energy fragmentation of biological ions in the gas phase and provide fragmentation spectra similar to extreme ultraviolet photodissociation (XUVPD). To date, CTD has typically employed helium cations with kinetic energies between 4-10 keV to initiate radical-directed fragmentation of analytes. However, as a reagent, helium has recently been listed as a critical mineral that is becoming scarcer and more expensive, so this study explored the potential for using cheaper and more readily available reagent gases. A model peptide, bradykinin, and a model oligosaccharide, κ-carrageenan with a degree of polymerization of 4, were fragmented using a variety of CTD reagent gases, which included helium, hydrogen, oxygen, nitrogen, argon and lab air. The CTD results were also contrasted with low-energy collision-induced dissociation (LE-CID), which were collected on the same 3D ion trap. Using constant reagent ion fluxes and kinetic energies, all five alterative reagent gases generated remarkably consistent sequence coverage and fragmentation efficiencies relative to He-CTD, which suggests that the ionization energy of the reagent gas has a negligible effect on the activation of the biological ions. The CTD efficiencies of all the gases ranged from 11-13% for bradykinin and 7-8% for κ-carrageenan. Within these tight ranges, the abundance of the CTnoD peak of bradykinin and the efficiency of CTD fragmentation of bradykinin both correlated with the ionization energy of the CTD reagent gas, which suggests that resonant charge transfer plays a small role in the activation of this peptide. The majority of the excitation energy for bradykinin and for κ-carrageenan comes from an electron stopping mechanism, which is described by long-range interactions between the reagent cations and electrons in the highest occupied molecular orbitals (HOMOs) of the biological ions. The CTD spectra do not provide any evidence for covalently bound products between the biological ions and the more-reactive gases like hydrogen, oxygen and nitrogen, which implies that the high kinetic energies of the reagent ions make them unavailable for covalent reactions. This work demonstrates that any of the substitute reagent gases tested are viable options for future CTD-MS experiments.
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Affiliation(s)
- Zachary J. Sasiene
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506-6121, USA
| | - Praneeth M. Mendis
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506-6121, USA
| | - Glen P. Jackson
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506-6121, USA
- Department of Forensic and Investigative Science, West Virginia University, Morgantown, WV 26506-6121, USA
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6
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Miyazawa K, Takayama M. Multiple Hydrogen Loss from [M + H] + and [a] + ions of Peptides in MALDI In-Source Decay Using a Dinitro-Substituted Matrix. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2020; 31:547-552. [PMID: 32126775 DOI: 10.1021/jasms.9b00013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The formation and radical-directed dissociation of multiple hydrogen-abstracted peptide cations [M + H - mH]·+ has been reported using MALDI-ISD with dinitro-substituted matrices. The MALDI-ISD of synthetic peptides using 3,5-dinitrosalicylic acid (3,5-DNSA) and 3,4-dinitrobenzoic acid (3,4-DNBA) as matrices resulted in multiple hydrogen abstraction from the analyte [M + H]+ and fragment [a]+ ions, i.e., [M + H - mH]+ and [a - mH]+ (m = 1-8). All of the ISD spectra showed unusually intense [a]+ ions originating from cleavage at the Cα-C bond of the Leu-Xxx residues when peptides without Phe/Tyr/His/Cys residues were used. The intensity of the [an]+ series ions generated using 3,5-DNSA and 3,4-DNBA rapidly decreased with increasing residue number n, suggesting cleavage at multiradical sites of [M + H - mH]•+. It was suggested that multiple hydrogen abstraction from protonated peptides [M + H]+ mainly takes place from the backbone amide nitrogen.
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Affiliation(s)
- Kei Miyazawa
- Mass Spectrometry Laboratory, Graduate School in Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Mitsuo Takayama
- Mass Spectrometry Laboratory, Graduate School in Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
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7
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Schwob L, Dörner S, Atak K, Schubert K, Timm M, Bülow C, Zamudio-Bayer V, von Issendorff B, Lau JT, Techert S, Bari S. Site-Selective Dissociation upon Sulfur L-Edge X-ray Absorption in a Gas-Phase Protonated Peptide. J Phys Chem Lett 2020; 11:1215-1221. [PMID: 31978303 DOI: 10.1021/acs.jpclett.0c00041] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Site-selective dissociation induced by core photoexcitation of biomolecules is of key importance for the understanding of radiation damage processes and dynamics and for its promising use as "chemical scissors" in various applications. However, identifying products of site-selective dissociation in large molecules is challenging at the carbon, nitrogen, and oxygen edges because of the high recurrence of these atoms and related chemical groups. In this paper, we present the observation of site-selective dissociation at the sulfur L-edge in the gas-phase peptide methionine enkephalin, which contains only a single sulfur atom. Near-edge X-ray absorption mass spectrometry has revealed that the resonant S 2p → σ*C-S excitation of the sulfur contained in the methionine side chain leads to site-selective dissociation, which is not the case after core ionization above the sulfur L-edge. The prospects of such results for the study of charge dynamics in biomolecular systems are discussed.
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Affiliation(s)
- Lucas Schwob
- Deutsches Elektronen-Synchrotron DESY , Notkestrasse 85 , 22607 Hamburg , Germany
| | - Simon Dörner
- Deutsches Elektronen-Synchrotron DESY , Notkestrasse 85 , 22607 Hamburg , Germany
| | - Kaan Atak
- Deutsches Elektronen-Synchrotron DESY , Notkestrasse 85 , 22607 Hamburg , Germany
| | - Kaja Schubert
- Deutsches Elektronen-Synchrotron DESY , Notkestrasse 85 , 22607 Hamburg , Germany
| | - Martin Timm
- Abteilung für Hochempfindliche Röntgenspektroskopie , Helmholtz Zentrum Berlin für Materialien und Energie , Albert-Einstein-Strasse 15 , 12489 Berlin , Germany
| | - Christine Bülow
- Abteilung für Hochempfindliche Röntgenspektroskopie , Helmholtz Zentrum Berlin für Materialien und Energie , Albert-Einstein-Strasse 15 , 12489 Berlin , Germany
| | - Vicente Zamudio-Bayer
- Abteilung für Hochempfindliche Röntgenspektroskopie , Helmholtz Zentrum Berlin für Materialien und Energie , Albert-Einstein-Strasse 15 , 12489 Berlin , Germany
| | - Bernd von Issendorff
- Physikalisches Institut , Universität Freiburg , Hermann-Herder-Straße 3 , 79104 Freiburg , Germany
| | - J Tobias Lau
- Abteilung für Hochempfindliche Röntgenspektroskopie , Helmholtz Zentrum Berlin für Materialien und Energie , Albert-Einstein-Strasse 15 , 12489 Berlin , Germany
- Physikalisches Institut , Universität Freiburg , Hermann-Herder-Straße 3 , 79104 Freiburg , Germany
| | - Simone Techert
- Deutsches Elektronen-Synchrotron DESY , Notkestrasse 85 , 22607 Hamburg , Germany
- Institute of X-ray Physics , University of Göttingen , Friedrich-Hund-Platz 1 , 37077 Göttingen , Germany
| | - Sadia Bari
- Deutsches Elektronen-Synchrotron DESY , Notkestrasse 85 , 22607 Hamburg , Germany
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8
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Abdelmouleh M, Lalande M, Vizcaino V, Schlathölter T, Poully J. Photoinduced Processes within Noncovalent Complexes Involved in Molecular Recognition. Chemistry 2020; 26:2243-2250. [DOI: 10.1002/chem.201904786] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/28/2019] [Indexed: 12/26/2022]
Affiliation(s)
- Marwa Abdelmouleh
- CIMAP UMR 6252 Unicaen/CEA/CNRS/ENSICAEN, Bd Becquerel 14070 Caen Cedex 5 France
| | - Mathieu Lalande
- CIMAP UMR 6252 Unicaen/CEA/CNRS/ENSICAEN, Bd Becquerel 14070 Caen Cedex 5 France
| | - Violaine Vizcaino
- CIMAP UMR 6252 Unicaen/CEA/CNRS/ENSICAEN, Bd Becquerel 14070 Caen Cedex 5 France
| | - Thomas Schlathölter
- Zernike Institute for Advanced MaterialsUniversity of Groningen Nijenborgh 4 9747AG Groningen The Netherlands
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9
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Milosavljević AR, Jänkälä K, Ranković ML, Canon F, Bozek J, Nicolas C, Giuliani A. Oxygen K-shell spectroscopy of isolated progressively solvated peptide. Phys Chem Chem Phys 2020; 22:12909-12917. [DOI: 10.1039/d0cp00994f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
X-ray spectroscopy of an isolated controllably hydrated peptide: core excitation of the first solvation shell enhances peptide backbone fragmentation.
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Affiliation(s)
| | - Kari Jänkälä
- Nano and Molecular Systems Research Unit
- University of Oulu
- 90014 Oulu
- Finland
| | | | - Francis Canon
- Centre des Sciences du Goût et de l’Alimentation
- CNRS
- INRAE
- Université de Bourgogne Franche-Comté
- France
| | - John Bozek
- SOLEIL, l’Orme des Merisiers
- 91192 Gif sur Yvette Cedex
- France
| | | | - Alexandre Giuliani
- SOLEIL, l’Orme des Merisiers
- 91192 Gif sur Yvette Cedex
- France
- INRAE
- UAR1008
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10
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Lalande M, Schwob L, Vizcaino V, Chirot F, Dugourd P, Schlathölter T, Poully J. Direct Radiation Effects on the Structure and Stability of Collagen and Other Proteins. Chembiochem 2019; 20:2972-2980. [DOI: 10.1002/cbic.201900202] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 05/28/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Mathieu Lalande
- CIMAP LaboratoryUMR 6252CEA/CNRS/ENSICAEN/Université de Caen Normandie) Boulevard Becquerel 14070 Caen France
| | - Lucas Schwob
- Helmholtz AssociationDeutsches Elektronen-Synchrotron (DESY) Notkestrasse 85 22607 Hamburg Germany
| | - Violaine Vizcaino
- CIMAP LaboratoryUMR 6252CEA/CNRS/ENSICAEN/Université de Caen Normandie) Boulevard Becquerel 14070 Caen France
| | - Fabien Chirot
- Université Claude Bernard Lyon 1ENS de LyonUMR 5280 Institut des Sciences Analytiques 5, rue de la Doua 69100 Villeurbanne France
| | - Philippe Dugourd
- Université Claude Bernard Lyon 1CNRSUMR 5306 Institut Lumière Matière 10 rue Ada Byron 69622 Villeurbanne Cedex France
| | - Thomas Schlathölter
- Zernike Institute for Advanced MaterialsUniversity of Groningen Nijenborgh 4 9747 AG Groningen Netherlands
| | - Jean‐Christophe Poully
- CIMAP LaboratoryUMR 6252CEA/CNRS/ENSICAEN/Université de Caen Normandie) Boulevard Becquerel 14070 Caen France
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11
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Egorov D, Bari S, Boll R, Dörner S, Deinert S, Techert S, Hoekstra R, Zamudio-Bayer V, Lindblad R, Bülow C, Timm M, von Issendorff B, Lau JT, Schlathölter T. Near-Edge Soft X-ray Absorption Mass Spectrometry of Protonated Melittin. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2018; 29:2138-2151. [PMID: 30047073 DOI: 10.1007/s13361-018-2035-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 07/10/2018] [Accepted: 07/10/2018] [Indexed: 06/08/2023]
Abstract
We have investigated the photoionization and photofragmentation yields of gas-phase multiply protonated melittin cations for photon energies at the K-shell absorption edges of carbon, nitrogen, and oxygen. Two similar experimental approaches were employed. In both experiments, mass selected [melittin+qH]q+ (q=2-4) ions were accumulated in radiofrequency ion traps. The trap content was exposed to intense beams of monochromatic soft X-ray photons from synchrotron beamlines and photoproducts were analyzed by means of time-of-flight mass spectrometry. Mass spectra were recorded for fixed photon energies, and partial ion yield spectra were recorded as a function of photon energy. The combination of mass spectrometry and soft X-ray spectroscopy allows for a direct correlation of protein electronic structure with various photoionization channels. Non-dissociative single and double ionization are used as a reference. The contribution of both channels to various backbone scission channels is quantified and related to activation energies and protonation sites. Soft X-ray absorption mass spectrometry combines fast energy deposition with single and double ionization and could complement established activation techniques. Graphical Abstract ᅟ.
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Affiliation(s)
- Dmitrii Egorov
- Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747AG, Groningen, Netherlands
| | - Sadia Bari
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607, Hamburg, Germany
| | - Rebecca Boll
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607, Hamburg, Germany
| | - Simon Dörner
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607, Hamburg, Germany
| | - Sascha Deinert
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607, Hamburg, Germany
| | - Simone Techert
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607, Hamburg, Germany
- Institute of X-ray Physics, University of Göttingen, Friedrich-Hund-Platz 1, 37077, Göttingen, Germany
| | - Ronnie Hoekstra
- Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747AG, Groningen, Netherlands
| | - Vicente Zamudio-Bayer
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
- Abteilung für Hochempfindliche Röntgenspektroskopie, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
- Physikalisches Institut, Universität Freiburg, Hermann-Herder-Str. 3, 79104, Freiburg, Germany
| | - Rebecka Lindblad
- Abteilung für Hochempfindliche Röntgenspektroskopie, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
- Synkrotronljusfysik, Lunds Universitet, 22100, Lund, Sweden
| | - Christine Bülow
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
- Abteilung für Hochempfindliche Röntgenspektroskopie, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
- Institut für Optik und Atomare Physik, Technische Universität Berlin, Hardenbergstr. 36, 10623, Berlin, Germany
| | - Martin Timm
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
- Abteilung für Hochempfindliche Röntgenspektroskopie, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
- Institut für Optik und Atomare Physik, Technische Universität Berlin, Hardenbergstr. 36, 10623, Berlin, Germany
| | - Bernd von Issendorff
- Physikalisches Institut, Universität Freiburg, Hermann-Herder-Str. 3, 79104, Freiburg, Germany
| | - J Tobias Lau
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
- Abteilung für Hochempfindliche Röntgenspektroskopie, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
| | - Thomas Schlathölter
- Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747AG, Groningen, Netherlands.
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Giuliani A, Williams JP, Green MR. Extreme Ultraviolet Radiation: A Means of Ion Activation for Tandem Mass Spectrometry. Anal Chem 2018; 90:7176-7180. [DOI: 10.1021/acs.analchem.8b01789] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexandre Giuliani
- Synchrotron SOLEIL, L’Orme des Merisiers, Gif-sur-Yvette F-91190, France
- UAR 1008 CEPIA, INRA, Nantes F-44316, France
| | | | - Martin R. Green
- Waters Corporation, Stamford Avenue, Altrincham Road, Wilmslow SK9 4AX, U.K
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Li P, Jackson GP. Charge Transfer Dissociation (CTD) Mass Spectrometry of Peptide Cations: Study of Charge State Effects and Side-Chain Losses. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2017; 28:1271-1281. [PMID: 28091811 DOI: 10.1007/s13361-016-1574-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 12/03/2016] [Accepted: 12/04/2016] [Indexed: 05/04/2023]
Abstract
1+, 2+, and 3+ precursors of substance P and bradykinin were subjected to helium cation irradiation in a 3D ion trap mass spectrometer. Charge exchange with the helium cations produces a variety of fragment ions, the number and type of which are dependent on the charge state of the precursor ions. For 1+ peptide precursors, fragmentation is generally restricted to C-CO backbone bonds (a and x ions), whereas for 2+ and 3+ peptide precursors, all three backbone bonds (C-CO, C-N, and N-Cα) are cleaved. The type of backbone bond cleavage is indicative of possible dissociation channels involved in CTD process, including high-energy, kinetic-based, and ETD-like pathways. In addition to backbone cleavages, amino acid side-chain cleavages are observed in CTD, which are consistent with other high-energy and radical-mediated techniques. The unique dissociation pattern and supplementary information available from side-chain cleavages make CTD a potentially useful activation method for the structural study of gas-phase biomolecules. Graphical Abstract ᅟ.
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Affiliation(s)
- Pengfei Li
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV, 26506, USA
| | - Glen P Jackson
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV, 26506, USA.
- Department of Forensic and Investigative Science, West Virginia University, Morgantown, WV, 26506-6121, USA.
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Schwob L, Lalande M, Rangama J, Egorov D, Hoekstra R, Pandey R, Eden S, Schlathölter T, Vizcaino V, Poully JC. Single-photon absorption of isolated collagen mimetic peptides and triple-helix models in the VUV-X energy range. Phys Chem Chem Phys 2017; 19:18321-18329. [DOI: 10.1039/c7cp02527k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By monitoring ionization and fragmentation after single-photon absorption, we show that an isolated collagen triple helix model is stabilized by proline hydroxylation.
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Affiliation(s)
- Lucas Schwob
- CIMAP
- UMR 6252 (CEA/CNRS/ENSICAEN/Université de Caen Normandie)
- Caen
- France
| | - Mathieu Lalande
- CIMAP
- UMR 6252 (CEA/CNRS/ENSICAEN/Université de Caen Normandie)
- Caen
- France
| | - Jimmy Rangama
- CIMAP
- UMR 6252 (CEA/CNRS/ENSICAEN/Université de Caen Normandie)
- Caen
- France
| | - Dmitrii Egorov
- Zernike Institute for Advanced Materials
- University of Groningen
- Nijenborgh 4
- 9747AG Groningen
- The Netherlands
| | - Ronnie Hoekstra
- Zernike Institute for Advanced Materials
- University of Groningen
- Nijenborgh 4
- 9747AG Groningen
- The Netherlands
| | - Rahul Pandey
- Dept. of Physical Sciences
- The Open University
- Walton Hall
- Milton Keynes
- UK
| | - Samuel Eden
- Dept. of Physical Sciences
- The Open University
- Walton Hall
- Milton Keynes
- UK
| | - Thomas Schlathölter
- Zernike Institute for Advanced Materials
- University of Groningen
- Nijenborgh 4
- 9747AG Groningen
- The Netherlands
| | - Violaine Vizcaino
- CIMAP
- UMR 6252 (CEA/CNRS/ENSICAEN/Université de Caen Normandie)
- Caen
- France
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15
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Schwob L, Lalande M, Egorov D, Rangama J, Hoekstra R, Vizcaino V, Schlathölter T, Poully JC. Radical-driven processes within a peptidic sequence of type I collagen upon single-photon ionisation in the gas phase. Phys Chem Chem Phys 2017; 19:22895-22904. [DOI: 10.1039/c7cp03376a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Radical creation after single-photon ionisation of collagen peptides induces the loss of molecules from amino-acid residue side-chains.
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Affiliation(s)
- Lucas Schwob
- CIMAP
- UMP 6252 (CEA/CNRS/ENSICAEN/Université de Caen Normandie)
- Caen
- France
| | - Mathieu Lalande
- CIMAP
- UMP 6252 (CEA/CNRS/ENSICAEN/Université de Caen Normandie)
- Caen
- France
| | - Dmitrii Egorov
- Zernike Institute for Advanced Materials
- University of Groningen
- 9747AG Groningen
- The Netherlands
| | - Jimmy Rangama
- CIMAP
- UMP 6252 (CEA/CNRS/ENSICAEN/Université de Caen Normandie)
- Caen
- France
| | - Ronnie Hoekstra
- Zernike Institute for Advanced Materials
- University of Groningen
- 9747AG Groningen
- The Netherlands
| | - Violaine Vizcaino
- CIMAP
- UMP 6252 (CEA/CNRS/ENSICAEN/Université de Caen Normandie)
- Caen
- France
| | - Thomas Schlathölter
- Zernike Institute for Advanced Materials
- University of Groningen
- 9747AG Groningen
- The Netherlands
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Egorov D, Hoekstra R, Schlathölter T. A comparative VUV absorption mass-spectroscopy study on protonated peptides of different size. Phys Chem Chem Phys 2017; 19:20608-20618. [DOI: 10.1039/c7cp03203j] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The response of gas-phase peptides upon vacuum ultraviolet absorption depends strongly on the peptide size.
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Affiliation(s)
- D. Egorov
- Zernike Institute for Advanced Materials
- University of Groningen
- 9747AG Groningen
- The Netherlands
| | - R. Hoekstra
- Zernike Institute for Advanced Materials
- University of Groningen
- 9747AG Groningen
- The Netherlands
| | - T. Schlathölter
- Zernike Institute for Advanced Materials
- University of Groningen
- 9747AG Groningen
- The Netherlands
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Online coupling of high-resolution chromatography with extreme UV photon activation tandem mass spectrometry: Application to the structural investigation of complex glycans by dissociative photoionization. Anal Chim Acta 2016; 933:1-9. [PMID: 27496992 DOI: 10.1016/j.aca.2016.05.036] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 05/17/2016] [Accepted: 05/22/2016] [Indexed: 01/09/2023]
Abstract
The activation of ions by extreme-energy photons (XUV) produced by a synchrotron radiation beamline is a powerful method for characterizing complex glycans using tandem mass spectrometry (MS). As previously described, this activation method leads to rich fragmentation spectra with many structurally valuable cross-ring cleavages while maintaining labile modifications on the glycan structures. However, until now, the tandem MS event was too long to be compatible with liquid chromatography elution times. In this work, the duty cycle of the activation and detection of fragments was shortened, and the background signal on the spectra was drastically reduced. Both improvements allowed, for the first time, the successful coupling of a UHPLC system to XUV-activated tandem MS. The approach was used to characterize a complex mixture of oligo-porphyrans, which are a class of highly sulfated oligosaccharides, in a fully automated way. Due to an enhanced dynamic range and an increased sensitivity, some hypothetical structures of low abundance have been unequivocally confirmed in this study and others have been revised. Some previously undescribed species of oligo-porphyrans that exhibit lateral branching have been fully resolved. This work contributes to the scarce knowledge of the structure of porphyrans in red algae and pushes the current capacities of XUV-activation tandem MS by demonstrating the possibility of a direct coupling with UHPLC. This study will considerably broaden the applicability and practicality of this method in many fields of analytical biology.
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Ranković ML, Canon F, Nahon L, Giuliani A, Milosavljević AR. VUV action spectroscopy of protonated leucine-enkephalin peptide in the 6-14 eV range. J Chem Phys 2015; 143:244311. [DOI: 10.1063/1.4939080] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M. Lj. Ranković
- Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
| | - F. Canon
- INRA, UMR1324 Centre des Sciences du Goût et de l’Alimentation, F-21000 Dijon, France
| | - L. Nahon
- SOLEIL, l’Orme des Merisiers, St Aubin, BP48, 91192 Gif sur Yvette Cedex, France
| | - A. Giuliani
- SOLEIL, l’Orme des Merisiers, St Aubin, BP48, 91192 Gif sur Yvette Cedex, France
- INRA, UAR1008, CEPIA, Rue de la Géraudière, BP 71627, 44316 Nantes, France
| | - A. R. Milosavljević
- Institute of Physics Belgrade, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
- Radiation Laboratory, University of Notre Dame, Notre Dame, Indiana 46556, USA
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