1
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Gass DT, Quintero AV, Hatvany JB, Gallagher ES. Metal adduction in mass spectrometric analyses of carbohydrates and glycoconjugates. MASS SPECTROMETRY REVIEWS 2024; 43:615-659. [PMID: 36005212 DOI: 10.1002/mas.21801] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
Glycans, carbohydrates, and glycoconjugates are involved in many crucial biological processes, such as disease development, immune responses, and cell-cell recognition. Glycans and carbohydrates are known for the large number of isomeric features associated with their structures, making analysis challenging compared with other biomolecules. Mass spectrometry has become the primary method of structural characterization for carbohydrates, glycans, and glycoconjugates. Metal adduction is especially important for the mass spectrometric analysis of carbohydrates and glycans. Metal-ion adduction to carbohydrates and glycoconjugates affects ion formation and the three-dimensional, gas-phase structures. Herein, we discuss how metal-ion adduction impacts ionization, ion mobility, ion activation and dissociation, and hydrogen/deuterium exchange for carbohydrates and glycoconjugates. We also compare the use of different metals for these various techniques and highlight the value in using metals as charge carriers for these analyses. Finally, we provide recommendations for selecting a metal for analysis of carbohydrate adducts and describe areas for continued research.
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Affiliation(s)
- Darren T Gass
- Department of Chemistry and Biochemistry, Baylor University, Waco, Texas, USA
| | - Ana V Quintero
- Department of Chemistry and Biochemistry, Baylor University, Waco, Texas, USA
| | - Jacob B Hatvany
- Department of Chemistry and Biochemistry, Baylor University, Waco, Texas, USA
| | - Elyssia S Gallagher
- Department of Chemistry and Biochemistry, Baylor University, Waco, Texas, USA
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2
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Nguan HS, Chen JL, Ni CK. Collision-Induced Dissociation of Fucose and Identification of Anomericity. J Phys Chem A 2024; 128:3812-3820. [PMID: 38690855 PMCID: PMC11103703 DOI: 10.1021/acs.jpca.4c00640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/15/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
Structural determination of carbohydrates using mass spectrometry remains challenging, particularly, the differentiation of anomeric configurations. In this work, we studied the collision-induced dissociation (CID) mechanisms of sodiated α- and β-l-fucose using an experimental method and quantum chemistry calculations. The calculations show that α-l-fucose is more likely to undergo dehydration due to the fact that O1 and O2 are on the same side of the sugar ring. In contrast, β-l-fucose is more prone to the ring-opening reaction because more OH groups are on the same side of the sugar ring as O1. These differences suggest a higher preference for the dehydration reaction in sodiated α-l-fucose but a lower preference for ring-opening compared to that of β-l-fucose. The calculation results, which are used to assign the CID mass spectra of α- and β-l-fucose separated by high-performance liquid chromatography, are supported by the fucose produced from the CID of disaccharides Fuc-β-(1 → 3)-GlcNAc and Fuc-α-(1 → 4)-GlcNAc. This study demonstrates that the correlation of cis- and trans-configurations of O1 and O2 to the relative branching ratios of dehydration and cross-ring dissociation in CID, observed in aldohexose and ketohexose in the pyranose form, can be extended to deoxyhexoses for anomericity determination.
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Affiliation(s)
- Hock-Seng Nguan
- Institute
of Atomic and Molecular Sciences, Academia
Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Jien-Lian Chen
- Institute
of Atomic and Molecular Sciences, Academia
Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Chi-Kung Ni
- Institute
of Atomic and Molecular Sciences, Academia
Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
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3
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van de Put B, de Bruijn WJ, Schols HA. Structural Characterization of Disaccharides Using Cyclic Ion Mobility Spectrometry and Monosaccharide Standards. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2024; 35:1012-1020. [PMID: 38634722 PMCID: PMC11066964 DOI: 10.1021/jasms.4c00029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/14/2024] [Accepted: 03/18/2024] [Indexed: 04/19/2024]
Abstract
To understand the mode of action of bioactive oligosaccharides, such as prebiotics, in-depth knowledge about all structural features, including monosaccharide composition, linkage type, and anomeric configuration, is necessary. Current analytical techniques provide limited information about structural features within complex mixtures unless preceded by extensive purification. In this study, we propose an approach employing cyclic ion mobility spectrometry (cIMS) for the in-depth characterization of oligosaccharides, here demonstrated for disaccharides. We were able to separate galactose and glucose anomers by exploiting the high ion mobility resolution of cIMS. Using the obtained monosaccharide mobilograms as references, we determined the composition and anomeric configuration of 4β-galactobiose by studying the monosaccharide fragments generated by collision-induced dissociation (CID) before the ion mobility separation. Drift times and individual MS2 spectra of partially resolved reducing-end anomers of 4β-galactobiose, 4β-galactosylglucose (lactose), and 4β-glucosylglucose (cellobiose) were obtained by deconvolution using CID fragmentation induced in the transfer region between the cIMS cell and TOF analyzer. The composition and anomeric configuration of the reducing end anomers of these disaccharides were identified using cIMS2 approaches, where first each anomer was isolated using cIMS and individually fragmented, and the monosaccharide fragments were again separated by cIMS for comparison with monosaccharide standards. With these results we demonstrate the promising application of cIMS for the structural characterization of isomeric oligosaccharides.
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Affiliation(s)
- Bram van de Put
- Laboratory of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708, WG Wageningen, The Netherlands
| | - Wouter J.C. de Bruijn
- Laboratory of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708, WG Wageningen, The Netherlands
| | - Henk A. Schols
- Laboratory of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708, WG Wageningen, The Netherlands
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4
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Nguan HS, Tsai ST, Liew CY, Reddy NS, Hung SC, Ni CK. The collision-induced dissociation mechanism of sodiated Hex-HexNAc disaccharides. Phys Chem Chem Phys 2023; 25:22179-22194. [PMID: 37565323 DOI: 10.1039/d3cp02530f] [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: 08/12/2023]
Abstract
Determining carbohydrate structures, such as their compositions, linkage positions, and in particular the anomers and stereoisomers, is a great challenge. Isomers of different anomers or stereoisomers have the same sequences of chemical bonds, but have different orientations of some chemical bonds which are difficult to be distinguished by mass spectrometry. Collision-induced dissociation (CID) tandem mass spectroscopy (MS/MS) is a widely used technique for characterizing carbohydrate structures. Understanding the carbohydrate dissociation mechanism is important for obtaining the structural information from MS/MS. In this work, we studied the CID mechanism of galactose-N-acetylgalactosamine (Gal-GalNAc) and glucose-N-acetylglucosamine (Glc-GlcNAc) disaccharides with 1→3 and 1→4 linkages. For Gal-GalNAc disaccharides, the CID mass spectra of sodium ion adducts show significant difference between the α- and β-anomers of GalNAc at the reducing end, while no difference in the CID mass spectra between two anomers of Glc-GlcNAc disaccharides was found. Quantum chemistry calculations show that for Gal-GalNAc disaccharides, the difference of the dissociation barriers between dehydration and glycosidic bond cleavage is significantly small in the β-anomer compared to that in the α-anomer; while these differences are similar between the α- and β-anomers of Glc-GlcNAc disaccharides. These differences can be attributed to the different orientations of hydroxyl and N-acetyl groups located at GalNAc and GlcNAc. The calculation results are consistent with the CID spectra of isotope labelled disaccharides. Our study provides an insight into the CID of 1→3 and 1→4 linked Gal-GalNAc and Glc-GlcNAc disaccharides. This information is useful for determining the anomeric configurations of GalNAc in oligosaccharides.
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Affiliation(s)
- Hock-Seng Nguan
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei 10617, Taiwan.
| | - Shang-Ting Tsai
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei 10617, Taiwan.
| | - Chia Yen Liew
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei 10617, Taiwan.
- International Graduate Program of Molecular Science and Technology, National Taiwan University (NTU-MST), Taipei 10617, Taiwan
- Molecular Science and Technology (MST), Taiwan International Graduate Program (TIGP), Academia Sinica, Taipei 10617, Taiwan
| | | | | | - Chi-Kung Ni
- Institute of Atomic and Molecular Sciences, Academia Sinica, P. O. Box 23-166, Taipei 10617, Taiwan.
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
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5
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Hatvany JB, Gallagher ES. Hydrogen/deuterium exchange for the analysis of carbohydrates. Carbohydr Res 2023; 530:108859. [PMID: 37290371 DOI: 10.1016/j.carres.2023.108859] [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: 03/06/2023] [Revised: 05/26/2023] [Accepted: 05/30/2023] [Indexed: 06/10/2023]
Abstract
Carbohydrates and glycans are integral to many biological processes, including cell-cell recognition and energy storage. However, carbohydrates are often difficult to analyze due to the high degree of isomerism present. One method being developed to distinguish these isomeric species is hydrogen/deuterium exchange-mass spectrometry (HDX-MS). In HDX-MS, carbohydrates are exposed to a deuterated reagent and the functional groups with labile hydrogen atoms, including hydroxyls and amides, exchange with the 1 amu heavier isotope, deuterium. These labels can then be detected by MS, which monitors the mass increase with the addition of D-labels. The observed rate of exchange is dependent on the exchanging functional group, the accessibility of the exchanging functional group, and the presence of hydrogen bonds. Herein, we discuss how HDX has been applied in the solution-phase, gas-phase, and during MS ionization to label carbohydrates and glycans. Additionally, we compare differences in the conformations that are labeled, the labeling timeframes, and applications of each of these methods. Finally, we comment on future opportunities for development and use of HDX-MS to analyze glycans and glycoconjugates.
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Affiliation(s)
- Jacob B Hatvany
- Department of Chemistry and Biochemistry, Baylor University, One Bear Place #97348, Waco, TX, 76798, USA
| | - Elyssia S Gallagher
- Department of Chemistry and Biochemistry, Baylor University, One Bear Place #97348, Waco, TX, 76798, USA.
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6
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Ollivier S, Legentil L, Yeni O, David LP, Ferrières V, Compagnon I, Rogniaux H, Ropartz D. Gas-Phase Behavior of Galactofuranosides upon Collisional Fragmentation: A Multistage High-Resolution Ion Mobility Study. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:627-639. [PMID: 36971653 DOI: 10.1021/jasms.2c00333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Carbohydrates are ubiquitous in nature but are among the least conserved biomolecules in life. These biopolymers pose a particular challenge to analytical chemists because of their high diversity and structural heterogeneity. In addition, they contain many isomerisms that complicate their structural characterization, notably by mass spectrometry. The tautomerism of the constitutive subunits is of particular interest. A given cyclized monosaccharide unit can take two forms: a most common 6-membered ring (pyranose, p) and a more flexible 5-membered ring (furanose, f). The tautomers impact the biological properties of polysaccharides, resulting in interesting properties of the derived oligosaccharides. From an analytical point of view, the impact of tautomerism on the gas-phase behavior of ions has scarcely been described in the literature. In this work, we study the behavior of Galf-containing oligosaccharides, ionized as [M+Li]+ species, under collisional dissociation (CID) conditions using high-resolution and multistage ion mobility (IMS) on a Cyclic IMS platform. In the first part of this work, we studied whether disaccharidic fragments released from Galf-containing (Gal)1(Man)2 trisaccharides (and their Galp counterpart) would match the corresponding disaccharide standards, and─despite the fragments generally being a good match─we showed the possibility of Galf migrations and other unidentified alterations in the IMS profile. Next, we expanded on these unknown features using multistage IMS and molecular dynamics, unveiling the contributions of additional gas-phase conformers in the profile of fragments from a Galf-containing trisaccharide compared with the corresponding disaccharides.
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Affiliation(s)
- Simon Ollivier
- INRAE, UR BIA, F-44316 Nantes, France
- INRAE, PROBE Research Infrastructure, BIBS Facility, F-44316 Nantes, France
| | - Laurent Legentil
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS ISCR-UMR 6226, F-35000 Rennes, France
| | - Oznur Yeni
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622 Villeurbanne, France
| | - Louis-Philippe David
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS ISCR-UMR 6226, F-35000 Rennes, France
| | - Vincent Ferrières
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS ISCR-UMR 6226, F-35000 Rennes, France
| | - Isabelle Compagnon
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622 Villeurbanne, France
| | - Hélène Rogniaux
- INRAE, UR BIA, F-44316 Nantes, France
- INRAE, PROBE Research Infrastructure, BIBS Facility, F-44316 Nantes, France
| | - David Ropartz
- INRAE, UR BIA, F-44316 Nantes, France
- INRAE, PROBE Research Infrastructure, BIBS Facility, F-44316 Nantes, France
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7
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2017-2018. MASS SPECTROMETRY REVIEWS 2023; 42:227-431. [PMID: 34719822 DOI: 10.1002/mas.21721] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
This review is the tenth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization mass spectrometry (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2018. Also included are papers that describe methods appropriate to glycan and glycoprotein analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, new methods, matrices, derivatization, MALDI imaging, fragmentation and the use of arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Most of the applications are presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. The reported work shows increasing use of combined new techniques such as ion mobility and highlights the impact that MALDI imaging is having across a range of diciplines. MALDI is still an ideal technique for carbohydrate analysis and advancements in the technique and the range of applications continue steady progress.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
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8
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Nguan HS, Ni CK. Collision-Induced Dissociation of α-Isomaltose and α-Maltose. J Phys Chem A 2022; 126:8799-8808. [DOI: 10.1021/acs.jpca.2c04278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Hock-Seng Nguan
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Chi-Kung Ni
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
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9
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Rabus JM, Guan S, Schultz LM, Abutokaikah MT, Maître P, Bythell BJ. Protonated α- N-Acetyl Galactose Glycopeptide Dissociation Chemistry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2022; 33:1745-1752. [PMID: 36018613 DOI: 10.1021/jasms.2c00155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
We recently provided mass spectrometric, H/D labeling, and computational evidence of pyranose to furanose N-acetylated ion isomerization reactions that occurred prior to glycosidic bond cleavage in both O- and N-linked glycosylated amino acid model systems (Guan et al. Phys. Chem. Chem. Phys., 2021, 23, 23256-23266). These reactions occurred irrespective of the glycosidic linkage stereochemistry (α or β) and the N-acetylated hexose structure (GlcNAc or GalNAc). In the present article, we test the generality of the preceding findings by examining threonyl α-GalNAc-glycosylated peptides. We utilize computational chemistry to compare the various dissociation and isomerization pathways accessible with collisional activation. We then interrogate the structure(s) of the resulting charged glycan and peptide fragments with infrared "action" spectroscopy. Isomerization of the original pyranose, the protonated glycopeptide [AT(GalNAc)A+H]+, is predicted to be facile compared to direct dissociation, as is the glycosidic bond cleavage of the newly formed furanose form, i.e., furanose oxazolinium ion structures are predicted to predominate. IR action spectra for the m/z 204, C8H14N1O5+, glycan fragment population support this prediction. The IR action spectra of the complementary m/z 262 peptide fragment were assigned as a mixture of the lowest-energy structures of [ATA+H]+ consistent with the literature. If general, the change to a furanose m/z 204 product ion structure fundamentally alters the ion population available for MS3 dissociation and glycopeptide sequence identification.
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Affiliation(s)
- Jordan M Rabus
- Department of Chemistry and Biochemistry, Ohio University, 307 Chemistry Building, Athens, Ohio 45701, United States
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, 1 University Boulevard, St. Louis, Missouri 63121, United States
| | - Shanshan Guan
- Department of Chemistry and Biochemistry, Ohio University, 307 Chemistry Building, Athens, Ohio 45701, United States
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, 1 University Boulevard, St. Louis, Missouri 63121, United States
| | - Lauren M Schultz
- Department of Chemistry and Biochemistry, Ohio University, 307 Chemistry Building, Athens, Ohio 45701, United States
| | - Maha T Abutokaikah
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, 1 University Boulevard, St. Louis, Missouri 63121, United States
| | - Philippe Maître
- Institut de Chimie Physique, Université Paris-Saclay, CNRS, Orsay 91405, France
| | - Benjamin J Bythell
- Department of Chemistry and Biochemistry, Ohio University, 307 Chemistry Building, Athens, Ohio 45701, United States
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, 1 University Boulevard, St. Louis, Missouri 63121, United States
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10
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Huynh HT, Tsai ST, Hsu PJ, Biswas A, Phan HT, Kuo JL, Ni CK, Chiu CC. Collision-induced dissociation of Na +-tagged ketohexoses: experimental and computational studies on fructose. Phys Chem Chem Phys 2022; 24:20856-20866. [PMID: 36043336 DOI: 10.1039/d2cp02313j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Collision-induced dissociation tandem mass spectrometry (CID-MSn) and computational investigation at the MP2/6-311+G(d,p) level of theory have been employed to study Na+-tagged fructose, an example of a ketohexose featuring four cyclic isomers: α-fructofuranose (αFruf), β-fructofuranose (βFruf), α-fructopyranose (αFrup), and β-fructopyranose (βFrup). The four isomers can be separated by high-performance liquid chromatography (HPLC) and they show different mass spectra, indicating that CID-MSn can distinguish the different fructose forms. Based on a simulation using a micro-kinetic model, we have obtained an overview of the mechanisms for the different dissociation pathways. It has been demonstrated that the preference for the C-C cleavage over the competing isomerization of linear fructose is the main reason for the previously reported differences between the CID-MS spectra of aldohexoses and ketohexoses. In addition, the kinetic modeling helped to confirm the assignment of the different measured mass spectra to the different fructose isomers. The previously reported assignment based on the peak intensities in the HPLC chromatogram had left some open questions as the preference for the dehydration channels did not always follow trends previously observed for aldohexoses. Setting up the kinetic model further enabled us to directly compare the computational and experimental results, which indicated that the model can reproduce most trends in the differences between the dissociation pathways of the four cyclic fructose isomers.
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Affiliation(s)
- Hai Thi Huynh
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan. .,Molecular Science and Technology Program, Taiwan International Graduate Program, Academia Sinica, Taipei, 11529, Taiwan.,Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Shang-Ting Tsai
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan. .,Department of Applied Chemistry, National Chiayi University, Chiayi, 60004, Taiwan
| | - Po-Jen Hsu
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan.
| | - Anik Biswas
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan. .,Department of Chemical Engineering, Indian Institute of Technology Bombay, Mumbai, 400076, India
| | - Huu Trong Phan
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan. .,Molecular Science and Technology Program, Taiwan International Graduate Program, Academia Sinica, Taipei, 11529, Taiwan.,Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Jer-Lai Kuo
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan. .,Molecular Science and Technology Program, Taiwan International Graduate Program, Academia Sinica, Taipei, 11529, Taiwan.,Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan.,International Graduate Program of Molecular Science and Technology (NTU-MST), National Taiwan University, Taipei, 10617, Taiwan
| | - Chi-Kung Ni
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan. .,Molecular Science and Technology Program, Taiwan International Graduate Program, Academia Sinica, Taipei, 11529, Taiwan.,Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Cheng-Chau Chiu
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan. .,Center for Theoretical and Computational Physics, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
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11
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Guan S, Bythell BJ. Evidence of gas-phase pyranose-to-furanose isomerization in protonated peptidoglycans. Phys Chem Chem Phys 2021; 23:23256-23266. [PMID: 34632474 DOI: 10.1039/d1cp03842g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Peptidoglycans are diverse co- and post-translational modifications of key importance in myriad biological processes. Mass spectrometry is employed to infer their biomolecular sequences and stereochemisties, but little is known about the critical gas-phase dissociation processes involved. Here, using tandem mass spectrometry (MS/MS and MSn), isotopic labelling and high-level simulations, we identify and characterize a facile isomerization reaction that produces furanose N-acetylated ions. This reaction occurs for both O- and N-linked peptidoglycans irrespective of glycosidic linkage stereochemistry (α/β). Dissociation of the glycosidic and other bonds thus occur from the furanose isomer critically altering the reaction feasibility and product ion structures.
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Affiliation(s)
- Shanshan Guan
- Department of Chemistry and Biochemistry, Ohio University, 307 The Chemistry Building, Athens, OH 45701, USA.,Department of Chemistry and Biochemistry, University of Missouri, 1 University Blvd, St. Louis, MO 63121, USA.
| | - Benjamin J Bythell
- Department of Chemistry and Biochemistry, Ohio University, 307 The Chemistry Building, Athens, OH 45701, USA.,Department of Chemistry and Biochemistry, University of Missouri, 1 University Blvd, St. Louis, MO 63121, USA.
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12
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Rabus JM, Pellegrinelli RP, Khodr AHA, Bythell BJ, Rizzo TR, Carrascosa E. Unravelling the structures of sodiated β-cyclodextrin and its fragments. Phys Chem Chem Phys 2021; 23:13714-13723. [PMID: 34128027 PMCID: PMC8220536 DOI: 10.1039/d1cp01058a] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 06/05/2021] [Indexed: 12/29/2022]
Abstract
We present cryogenic infrared spectra of sodiated β-cyclodextrin [β-CD + Na]+, a common cyclic oligosaccharide, and its main dissociation products upon collision-induced dissociation (CID). We characterize the parent ions using high-resolution ion mobility spectrometry and cryogenic infrared action spectroscopy, while the fragments are characterized by their mass and cryogenic infrared spectra. We observe sodium-cationized fragments that differ in mass by 162 u, corresponding to Bn/Zm ions. For the m/z 347 product ion, electronic structure calculations are consistent with formation of the lowest energy 2-ketone B2 ion structure. For the m/z 509 product ion, both the calculated 2-ketone B3 and the Z3 structures show similarities with the experimental spectrum. The theoretical structure most consistent with the spectrum of the m/z 671 ions is a slightly higher energy 2-ketone B4 structure. Overall, the data suggest a consistent formation mechanism for all the observed fragments.
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Affiliation(s)
- Jordan M Rabus
- Department of Chemistry and Biochemistry, Ohio University, 391 Clippinger Laboratories, Athens, Ohio 45701, USA
| | - Robert P Pellegrinelli
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland.
| | - Ali Hassan Abi Khodr
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland.
| | - Benjamin J Bythell
- Department of Chemistry and Biochemistry, Ohio University, 391 Clippinger Laboratories, Athens, Ohio 45701, USA
| | - Thomas R Rizzo
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland.
| | - Eduardo Carrascosa
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland.
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13
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Supercritical CO2–subcritical H2O system: A green reactive separation medium for selective conversion of glucose to 5-hydroxymethylfurfural. J Supercrit Fluids 2021. [DOI: 10.1016/j.supflu.2020.105079] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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14
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Li L, Yu J, Xie C, Wang C, Guan P, Hu JJ, Tang K. A TIMS-TOF mass spectrometry study of disaccharides from in situ ESI derivatization with 3-pyridinylboronate. Analyst 2021; 146:75-84. [DOI: 10.1039/d0an01677b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Mobilograms of in situ ESI 3-pyridinylboronic acid tagging of isomaltose in the positive or negative mode.
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Affiliation(s)
- Lei Li
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis
- Institute of Mass Spectrometry
- Ningbo University
- Ningbo 315211
- P. R. China
| | - Jiancheng Yu
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis
- Institute of Mass Spectrometry
- Ningbo University
- Ningbo 315211
- P. R. China
| | - Chengyi Xie
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis
- Institute of Mass Spectrometry
- Ningbo University
- Ningbo 315211
- P. R. China
| | - Chenlu Wang
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis
- Institute of Mass Spectrometry
- Ningbo University
- Ningbo 315211
- P. R. China
| | - Pengfei Guan
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis
- Institute of Mass Spectrometry
- Ningbo University
- Ningbo 315211
- P. R. China
| | - Jun Jack Hu
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis
- Institute of Mass Spectrometry
- Ningbo University
- Ningbo 315211
- P. R. China
| | - Keqi Tang
- Zhejiang Provincial Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis
- Institute of Mass Spectrometry
- Ningbo University
- Ningbo 315211
- P. R. China
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15
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Chiu CC, Lin CK, Kuo JL. Improved agreement between experimental and computational results for collision-induced dissociation mass spectrometry of cation-tagged hexoses. Phys Chem Chem Phys 2020; 22:6928-6941. [DOI: 10.1039/d0cp00286k] [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
Low exact exchange DFT methods underestimate the dehydration barriers as the charge localization in such transition states is challenging to describe.
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Affiliation(s)
- Cheng-chau Chiu
- Institute of Atomic and Molecular Sciences
- Academia Sinica
- Taipei City 10617
- Taiwan
| | - Chih-Kai Lin
- Institute of Atomic and Molecular Sciences
- Academia Sinica
- Taipei City 10617
- Taiwan
| | - Jer-Lai Kuo
- Institute of Atomic and Molecular Sciences
- Academia Sinica
- Taipei City 10617
- Taiwan
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16
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Chiu CC, Tsai ST, Hsu PJ, Huynh HT, Chen JL, Phan HT, Huang SP, Lin HY, Kuo JL, Ni CK. Unexpected Dissociation Mechanism of Sodiated N-Acetylglucosamine and N-Acetylgalactosamine. J Phys Chem A 2019; 123:3441-3453. [DOI: 10.1021/acs.jpca.9b00934] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Cheng-chau Chiu
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Shang-Ting Tsai
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Po-Jen Hsu
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Hai Thi Huynh
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
- Molecular Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 10617, Taiwan
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Jien-Lian Chen
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Huu Trong Phan
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
- Molecular Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 10617, Taiwan
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Shih-Pei Huang
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Hou-Yu Lin
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
- Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Jer-Lai Kuo
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
| | - Chi-Kung Ni
- Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10617, Taiwan
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
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17
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Bythell BJ, Rabus JM, Wagoner AR, Abutokaikah MT, Maître P. Sequence Ion Structures and Dissociation Chemistry of Deprotonated Sucrose Anions. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2018; 29:2380-2393. [PMID: 30284205 DOI: 10.1007/s13361-018-2065-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 09/06/2018] [Accepted: 09/06/2018] [Indexed: 06/08/2023]
Abstract
We investigate the tandem mass spectrometry of regiospecifically labeled, deprotonated sucrose analytes. We utilize density functional theory calculations to model the pertinent gas-phase fragmentation chemistry of the prevalent glycosidic bond cleavages (B1-Y1 and C1-Z1 reactions) and compare these predictions to infrared spectroscopy experiments on the resulting B1 and C1 product anions. For the C1 anions, barriers to interconversion of the pyranose [α-glucose-H]-, C1 anions to entropically favorable ring-open aldehyde-terminated forms were modest (41 kJ mol-1) consistent with the observation of a band assigned to a carbonyl stretch at ~ 1680-1720 cm-1. For the B1 anions, our transition structure calculations predict the presence of both deprotonated 1,6-anhydroglucose and carbon 2-ketone ((4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)dihydro-2H-pyran-3(4H)-one) anion structures, with the latter predominating. This hypothesis is supported by our spectroscopic data which show diagnostic bands at 1600, 1674, and 1699 cm-1 (deprotonated carbon 2-ketone structures), and at ~ 1541 cm-1 (both types of structure) and RRKM rate calculations. The deprotonated carbon 2-ketone structures are also the lowest energy product B1 anions. Graphical Abstract ᅟ.
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Affiliation(s)
- Benjamin J Bythell
- Department of Chemistry and Biochemistry, University of Missouri St. Louis, St. Louis, MO, 63121, USA.
| | - Jordan M Rabus
- Department of Chemistry and Biochemistry, University of Missouri St. Louis, St. Louis, MO, 63121, USA
| | - Ashley R Wagoner
- Department of Chemistry and Biochemistry, University of Missouri St. Louis, St. Louis, MO, 63121, USA
| | - Maha T Abutokaikah
- Department of Chemistry and Biochemistry, University of Missouri St. Louis, St. Louis, MO, 63121, USA
| | - Philippe Maître
- Laboratoire de Chimie Physique (UMR8000), CNRS, Univ. Paris-Sud, Université Paris-Saclay, 91405, Orsay, France
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18
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Mookherjee A, Uppal SS, Guttman M. Dissection of Fragmentation Pathways in Protonated N-Acetylhexosamines. Anal Chem 2018; 90:11883-11891. [PMID: 30216047 DOI: 10.1021/acs.analchem.8b01963] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Structural characterization of carbohydrates by mass spectrometry necessitates a detailed understanding of their gas phase behavior, particularly for protonated carbohydrates that can undergo complex structural rearrangements during fragmentation. Here we utilize tandem mass spectrometry, isotopic labeling, gas-phase hydrogen/deuterium exchange, and ion mobility measurements to characterize structures of the various product ions of protonated N-acetylhexosamines. Following the facile loss of the reducing end hydroxyl group, we identify two primary fragmentation pathways. Detailed mapping of each step in the fragmentation pathway provides new insight into the mechanisms that drive collision-induced dissociation of protonated carbohydrates. Several of the smaller fragment ions are mixtures of structural isomers, and the relative distributions of these structures reveals information about the stereochemistry of the precursor molecule.
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Affiliation(s)
- Abhigya Mookherjee
- Department of Medicinal Chemistry , University of Washington , Seattle , Washington 98195 , United States
| | - Sanjit S Uppal
- Department of Medicinal Chemistry , University of Washington , Seattle , Washington 98195 , United States
| | - Miklos Guttman
- Department of Medicinal Chemistry , University of Washington , Seattle , Washington 98195 , United States
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19
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Rabus JM, Simmons DR, Maître P, Bythell BJ. Deprotonated carbohydrate anion fragmentation chemistry: structural evidence from tandem mass spectrometry, infra-red spectroscopy, and theory. Phys Chem Chem Phys 2018; 20:27897-27909. [DOI: 10.1039/c8cp02620c] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We investigate the gas-phase structures and fragmentation chemistry of deprotonated carbohydrate anions using combined tandem mass spectrometry, infrared spectroscopy, regioselective labelling, and theory.
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Affiliation(s)
- Jordan M. Rabus
- Department of Chemistry and Biochemistry
- University of Missouri-St. Louis
- St. Louis
- USA
| | - Daniel R. Simmons
- Department of Chemistry and Biochemistry
- University of Missouri-St. Louis
- St. Louis
- USA
| | - Philippe Maître
- Laboratoire de Chimie Physique (UMR8000)
- CNRS
- Univ. Paris-Sud
- Université Paris-Saclay
- Orsay
| | - Benjamin J. Bythell
- Department of Chemistry and Biochemistry
- University of Missouri-St. Louis
- St. Louis
- USA
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