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Walrant A, Sachon E. Photoaffinity labeling coupled to MS to identify peptide biological partners: Secondary reactions, for better or for worse? MASS SPECTROMETRY REVIEWS 2024. [PMID: 38576378 DOI: 10.1002/mas.21880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 02/22/2024] [Accepted: 03/13/2024] [Indexed: 04/06/2024]
Abstract
Affinity photolabeling is a smart method to study noncovalent and transient interactions and provide a submolecular picture of the contacts between interacting partners. In this review, we will focus on the identification of peptide partners using photoaffinity labeling coupled to mass spectrometry in different contexts such as in vitro with a purified potential partner, in model systems such as model membranes, and with live cells using both targeted and nontargeted proteomics studies. Different biological partners will be described, among which glycoconjugates, oligonucleotides, peptides, proteins, and lipids, with the photoreactive label inserted either on the peptide of interest or on the potential partner. Particular attention will be paid to the observation and characterization of specific rearrangements following the photolabeling reaction, which can help characterize photoadducts and provide a better understanding of the interacting systems and environment.
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Affiliation(s)
- Astrid Walrant
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, Paris, France
| | - Emmanuelle Sachon
- Laboratoire des Biomolécules, LBM, Sorbonne Université, École normale supérieure, PSL University, CNRS, Paris, France
- Sorbonne Université, Mass Spectrometry Sciences Sorbonne Université, MS3U platform, Fédération de Chimie moléculaire de Paris centre, Paris, France
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2
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Kukačka Z, Rosůlek M, Jelínek J, Slavata L, Kavan D, Novák P. LinX: A Software Tool for Uncommon Cross-Linking Chemistry. J Proteome Res 2021; 20:2021-2027. [PMID: 33657806 DOI: 10.1021/acs.jproteome.0c00858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Chemical cross-linking mass spectrometry has become a popular tool in structural biology. Although several algorithms exist that efficiently analyze data-dependent mass spectrometric data, the algorithm to identify and quantify intermolecular cross-links located at the interaction interface of homodimer molecules was missing. The algorithm in LinX utilizes high mass accuracy for ion identification. In contrast with standard data-dependent analysis, LinX enables the elucidation of cross-linked peptides originating from the interaction interface of homodimers labeled by 14N/15N, including their ratio or cross-links from protein-nucleic acid complexes. The software is written in Java language, and its source code and a detailed user's guide are freely available at https://github.com/KukackaZ/LinX or https://ms-utils.org/LinX. Data are accessible via the ProteomeXchange server with the data set identifier PXD023522.
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Affiliation(s)
- Zdeněk Kukačka
- Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Videnska 1083, Prague 14220, Czech Republic
| | - Michal Rosůlek
- Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Videnska 1083, Prague 14220, Czech Republic.,Department of Biochemistry, Faculty of Science, Charles University, Albertov 6, 12800 Prague 2, Czech Republic
| | - Jan Jelínek
- Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Videnska 1083, Prague 14220, Czech Republic.,Department of Software Engineering, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 12000 Prague 2, Czech Republic
| | - Lukáš Slavata
- Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Videnska 1083, Prague 14220, Czech Republic.,Department of Biochemistry, Faculty of Science, Charles University, Albertov 6, 12800 Prague 2, Czech Republic
| | - Daniel Kavan
- Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Videnska 1083, Prague 14220, Czech Republic.,Department of Biochemistry, Faculty of Science, Charles University, Albertov 6, 12800 Prague 2, Czech Republic
| | - Petr Novák
- Institute of Microbiology, v.v.i., The Czech Academy of Sciences, Videnska 1083, Prague 14220, Czech Republic.,Department of Biochemistry, Faculty of Science, Charles University, Albertov 6, 12800 Prague 2, Czech Republic
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Abstract
Cross-linking, in general, involves the covalent linkage of two amino acid residues of proteins or protein complexes in close proximity. Mass spectrometry and computational analysis are then applied to identify the formed linkage and deduce structural information such as distance restraints. Quantitative cross-linking coupled with mass spectrometry is well suited to study protein dynamics and conformations of protein complexes. The quantitative cross-linking workflow described here is based on the application of isotope labelled cross-linkers. Proteins or protein complexes present in different structural states are differentially cross-linked using a "light" and a "heavy" cross-linker. The intensity ratios of cross-links (i.e., light/heavy or heavy/light) indicate structural changes or interactions that are maintained in the different states. These structural insights lead to a better understanding of the function of the proteins or protein complexes investigated. The described workflow is applicable to a wide range of research questions including, for instance, protein dynamics or structural changes upon ligand binding.
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Affiliation(s)
- Marie Barth
- Interdisciplinary Research Center HALOmem, Charles Tanford Protein Center, Institute for Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Carla Schmidt
- Interdisciplinary Research Center HALOmem, Charles Tanford Protein Center, Institute for Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Halle, Germany.
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Shahsavari S, Eriyagama DNAM, Halami B, Begoyan V, Tanasova M, Chen J, Fang S. Electrophilic oligodeoxynucleotide synthesis using dM-Dmoc for amino protection. Beilstein J Org Chem 2019; 15:1116-1128. [PMID: 31164948 PMCID: PMC6541367 DOI: 10.3762/bjoc.15.108] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 05/10/2019] [Indexed: 01/06/2023] Open
Abstract
Solid-phase synthesis of electrophilic oligodeoxynucleotides (ODNs) was achieved using dimethyl-Dmoc (dM-Dmoc) as amino protecting group. Due to the high steric hindrance of the 2-(propan-2-ylidene)-1,3-dithiane side product from deprotection, the use of excess nucleophilic scavengers such as aniline to prevent Michael addition of the side product to the deprotected ODN during ODN cleavage and deprotection was no longer needed. The improved technology was demonstrated by the synthesis and characterization of five ODNs including three modified ones. The modified ODNs contained the electrophilic groups ethyl ester, α-chloroamide, and thioester. Using the technology, the sensitive groups can be installed at any location within the ODN sequences without using any sequence- or functionality-specific conditions and procedures.
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Affiliation(s)
- Shahien Shahsavari
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, USA
| | - Dhananjani N A M Eriyagama
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, USA
| | - Bhaskar Halami
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, USA
| | - Vagarshak Begoyan
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, USA
| | - Marina Tanasova
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, USA
| | - Jinsen Chen
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, USA
| | - Shiyue Fang
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, USA
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McKerchar HJ, Clerens S, Dobson RC, Dyer JM, Maes E, Gerrard JA. Protein-protein crosslinking in food: Proteomic characterisation methods, consequences and applications. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.02.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Murphy S, Zweyer M, Mundegar RR, Swandulla D, Ohlendieck K. Comparative gel-based proteomic analysis of chemically crosslinked complexes in dystrophic skeletal muscle. Electrophoresis 2018; 39:1735-1744. [PMID: 29679381 PMCID: PMC6099379 DOI: 10.1002/elps.201800028] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 03/08/2018] [Accepted: 04/19/2018] [Indexed: 12/18/2022]
Abstract
Duchenne muscular dystrophy is a highly progressive muscle wasting disease with a complex pathophysiology that is based on primary abnormalities in the dystrophin gene. In order to study potential changes in the oligomerization of high-molecular-mass protein complexes in dystrophic skeletal muscle, chemical crosslinking was combined with mass spectrometric analysis. The biochemical stabilization of protein interactions was carried out with the homo-bifunctional and amine-reactive agent bis[sulfosuccinimidyl]suberate, followed by protein shift analysis in one-dimensional gels. The proteomic approach identified 11 and 15 protein species in wild type versus dystrophic microsomal fractions, respectively, as well as eight common proteins, with an electrophoretic mobility shift to very high molecular mass following chemical crosslinking. In dystrophin-deficient preparations, several protein species with an increased tendency of oligomerisation were identified as components of the sarcolemma and its associated intra- and extracellular structures, as well as mitochondria. This included the sarcolemmal proteins myoferlin and caveolin, the cytoskeletal components vimentin and tubulin, extracellular collagen alpha-1(XII) and the mitochondrial trifunctional enzyme and oxoglutarate dehydrogenase. These changes are probably related to structural and metabolic adaptations, especially cellular repair processes, which agrees with the increased oligomerisation of myosin-3, myosin-9 and actin, and their role in cellular regeneration and structural adjustments in dystrophinopathy.
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Affiliation(s)
- Sandra Murphy
- Department of BiologyMaynooth UniversityNational University of IrelandMaynoothCo. KildareIreland
| | - Margit Zweyer
- Institute of Physiology IIUniversity of BonnBonnGermany
| | | | | | - Kay Ohlendieck
- Department of BiologyMaynooth UniversityNational University of IrelandMaynoothCo. KildareIreland
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Gagarinova A, Phanse S, Cygler M, Babu M. Insights from protein-protein interaction studies on bacterial pathogenesis. Expert Rev Proteomics 2017; 14:779-797. [DOI: 10.1080/14789450.2017.1365603] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Alla Gagarinova
- Department of Biochemistry, University of Saskatchewan, Saskatoon, SK, Canada
| | - Sadhna Phanse
- Department of Biochemistry, University of Regina, Regina, SK, Canada
| | - Miroslaw Cygler
- Department of Biochemistry, University of Saskatchewan, Saskatoon, SK, Canada
| | - Mohan Babu
- Department of Biochemistry, University of Regina, Regina, SK, Canada
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8
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The proteome of baker's yeast mitochondria. Mitochondrion 2017; 33:15-21. [DOI: 10.1016/j.mito.2016.08.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 08/12/2016] [Accepted: 08/13/2016] [Indexed: 01/29/2023]
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Rudashevskaya EL, Sickmann A, Markoutsa S. Global profiling of protein complexes: current approaches and their perspective in biomedical research. Expert Rev Proteomics 2016; 13:951-964. [PMID: 27602509 DOI: 10.1080/14789450.2016.1233064] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Despite the rapid evolution of proteomic methods, protein interactions and their participation in protein complexes - an important aspect of their function - has rarely been investigated on the proteome-wide level. Disease states, such as muscular dystrophy or viral infection, are induced by interference in protein-protein interactions within complexes. The purpose of this review is to describe the current methods for global complexome analysis and to critically discuss the challenges and opportunities for the application of these methods in biomedical research. Areas covered: We discuss advancements in experimental techniques and computational tools that facilitate profiling of the complexome. The main focus is on the separation of native protein complexes via size exclusion chromatography and gel electrophoresis, which has recently been combined with quantitative mass spectrometry, for a global protein-complex profiling. The development of this approach has been supported by advanced bioinformatics strategies and fast and sensitive mass spectrometers that have allowed the analysis of whole cell lysates. The application of this technique to biomedical research is assessed, and future directions are anticipated. Expert commentary: The methodology is quite new, and has already shown great potential when combined with complementary methods for detection of protein complexes.
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Affiliation(s)
- Elena L Rudashevskaya
- a Department of Bioanalytics , Leibniz-Institut für Analytische Wissenschaften - ISAS eV , Dortmund , Germany
| | - Albert Sickmann
- a Department of Bioanalytics , Leibniz-Institut für Analytische Wissenschaften - ISAS eV , Dortmund , Germany.,b Medizinisches Proteom-Center , Ruhr-Universität Bochum , Bochum , Germany.,c School of Natural & Computing Sciences, Department of Chemistry , University of Aberdeen , Aberdeen , UK
| | - Stavroula Markoutsa
- a Department of Bioanalytics , Leibniz-Institut für Analytische Wissenschaften - ISAS eV , Dortmund , Germany
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Rajabi K, Ashcroft AE, Radford SE. Mass spectrometric methods to analyze the structural organization of macromolecular complexes. Methods 2015; 89:13-21. [DOI: 10.1016/j.ymeth.2015.03.004] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Revised: 02/25/2015] [Accepted: 03/06/2015] [Indexed: 01/14/2023] Open
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Hofmann T, Fischer AW, Meiler J, Kalkhof S. Protein structure prediction guided by crosslinking restraints--A systematic evaluation of the impact of the crosslinking spacer length. Methods 2015; 89:79-90. [PMID: 25986934 DOI: 10.1016/j.ymeth.2015.05.014] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Revised: 04/21/2015] [Accepted: 05/12/2015] [Indexed: 11/15/2022] Open
Abstract
Recent development of high-resolution mass spectrometry (MS) instruments enables chemical crosslinking (XL) to become a high-throughput method for obtaining structural information about proteins. Restraints derived from XL-MS experiments have been used successfully for structure refinement and protein-protein docking. However, one formidable question is under which circumstances XL-MS data might be sufficient to determine a protein's tertiary structure de novo? Answering this question will not only include understanding the impact of XL-MS data on sampling and scoring within a de novo protein structure prediction algorithm, it must also determine an optimal crosslinker type and length for protein structure determination. While a longer crosslinker will yield more restraints, the value of each restraint for protein structure prediction decreases as the restraint is consistent with a larger conformational space. In this study, the number of crosslinks and their discriminative power was systematically analyzed in silico on a set of 2055 non-redundant protein folds considering Lys-Lys, Lys-Asp, Lys-Glu, Cys-Cys, and Arg-Arg reactive crosslinkers between 1 and 60Å. Depending on the protein size a heuristic was developed that determines the optimal crosslinker length. Next, simulated restraints of variable length were used to de novo predict the tertiary structure of fifteen proteins using the BCL::Fold algorithm. The results demonstrate that a distinct crosslinker length exists for which information content for de novo protein structure prediction is maximized. The sampling accuracy improves on average by 1.0 Å and up to 2.2 Å in the most prominent example. XL-MS restraints enable consistently an improved selection of native-like models with an average enrichment of 2.1.
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Affiliation(s)
- Tommy Hofmann
- Department of Proteomics, Helmholtz-Centre for Environmental Research - UFZ, Leipzig D-04318, Germany
| | - Axel W Fischer
- Department of Chemistry and Center for Structural Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Jens Meiler
- Department of Chemistry and Center for Structural Biology, Vanderbilt University, Nashville, TN 37232, USA.
| | - Stefan Kalkhof
- Department of Proteomics, Helmholtz-Centre for Environmental Research - UFZ, Leipzig D-04318, Germany; Department of Bioanalytics, University of Applied Sciences and Arts of Coburg, D-96450 Coburg, Germany.
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12
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Byrd KM, Arieno MD, Kennelly ME, Estiu G, Wiest O, Helquist P. Design and synthesis of a crosslinker for studying intracellular steroid trafficking pathways. Bioorg Med Chem 2015; 23:3843-51. [PMID: 25890696 DOI: 10.1016/j.bmc.2015.03.053] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 03/11/2015] [Accepted: 03/20/2015] [Indexed: 11/30/2022]
Abstract
A crosslinker was designed and synthesized as a molecular tool for potential use in probing the intracellular trafficking pathways of steroids. The design was guided by computational modeling based upon a model for the transfer of cholesterol between two proteins, NPC1 and NPC2. These proteins play critical roles in the transport of low-density lipoprotein-derived cholesterol from the lumen of lysosomes to other subcellular compartments. Two modified cholesterol residues were covalently joined by a tether based on molecular modeling of the transient interaction of NPC1 and NPC2 during the transfer of cholesterol from the binding site of one of these proteins to the other. With two cholesterol molecules appropriately connected, we hypothesize that the cholesterol binding sites of both proteins will be simultaneously occupied in a manner that will stabilize the protein-protein interaction to permit detailed structural analysis of the resulting complex. A photoaffinity label has also been introduced into one of the cholesterol cores to permit covalent attachment of one of the units into its respective protein-binding pocket. The basic design of these crosslinkers should render them useful for examining interactions of the NPC1/NPC2 pair as well as other sterol transport proteins.
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Affiliation(s)
- Katherine M Byrd
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, United States
| | - Marcus D Arieno
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, United States
| | - Megan E Kennelly
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, United States
| | - Guillermina Estiu
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, United States
| | - Olaf Wiest
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, United States; Lab of Computational Chemistry and Drug Design, School of Chemical Biology and Biotechnology, Peking University, Shenzhen Graduate School, Shenzhen 518055, China
| | - Paul Helquist
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, United States.
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