2020
DOI: 10.1002/jms.4578
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Native mass spectrometry—A valuable tool in structural biology

Abstract: Proteins and the complexes they form with their ligands are the players of cellular action. Their function is directly linked with their structure making the structural analysis of protein-ligand complexes essential. Classical techniques of structural biology include X-ray crystallography, nuclear magnetic resonance spectroscopy and recently distinguished cryo-electron microscopy. However, protein-ligand complexes are often dynamic and heterogeneous and consequently challenging for these techniques. Alternativ… Show more

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Cited by 60 publications
(58 citation statements)
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References 201 publications
(366 reference statements)
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“…[31] This type of mass spectrometer is commonly applied in native MS and allows the analysis of intact protein complexes and their interactions with ligands including lipids. [4] By analysing proteoliposomes under denaturing and native MS conditions,w ee xplore the applicability of liposomes to serve as carriers of membrane-associated proteins and peptides into the gas phase of amass spectrometer. We hypothesize that, following dissociation of the liposomes in the gas phase,i ntact peptides or proteins are released for MS analysis.U nder denaturing gas-phase conditions,l iposome dissociation is supposedly facilitated, while native MS,o nt he other hand, allows maintaining non-covalent protein and protein-lipid interactions.…”
Section: Experimental Design and Workflowmentioning
confidence: 99%
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“…[31] This type of mass spectrometer is commonly applied in native MS and allows the analysis of intact protein complexes and their interactions with ligands including lipids. [4] By analysing proteoliposomes under denaturing and native MS conditions,w ee xplore the applicability of liposomes to serve as carriers of membrane-associated proteins and peptides into the gas phase of amass spectrometer. We hypothesize that, following dissociation of the liposomes in the gas phase,i ntact peptides or proteins are released for MS analysis.U nder denaturing gas-phase conditions,l iposome dissociation is supposedly facilitated, while native MS,o nt he other hand, allows maintaining non-covalent protein and protein-lipid interactions.…”
Section: Experimental Design and Workflowmentioning
confidence: 99%
“…Despite their advantage over detergents,m embrane mimetics contain additional phospholipids,d etergents,s caffold proteins,o rp olymers and therefore still represent ac hallenge for classical structural techniques.C omplementary techniques such as mass spectrometry (MS), and in particular native MS, [4] proved useful alternatives for the analysis of integral membrane proteins. [5][6][7] This was initially achieved by dissociating the detergent micelle and releasing the free protein into the mass spectrometer.…”
Section: Introductionmentioning
confidence: 99%
“…[31] Diese Art von Massenspektrometer wird üblicherweise in der nativen MS eingesetzt und ermçglicht die Analyse intakter Proteinkomplexe und deren Wechselwirkungen mit Liganden, einschließlich Lipiden. [4] Durch die Analyse von Proteoliposomen unter denaturierenden und nativen MS-Bedingungen wird die Verwendbarkeit von Liposomen als Träger membranassoziierter Proteine und Peptide in die Gasphase eines Massenspektrometers gezeigt. Wirn ehmen an, dass nach der Dissoziation der Liposomen in der Gasphase intakte Peptide oder Proteine fürdie MS-Analyse freigesetzt werden.…”
Section: Ergebnisse Und Diskussion Experimenteller Aufbau Und Ablaufunclassified
“…2) Wir verwendeten ein “Q‐ToF Ultima”‐Massenspektrometer, welches für den Transfer großer Komplexe in die Gasphase modifiziert wurde, um nicht‐kovalente Wechselwirkungen zu erhalten (Abbildung 1, Schritt v) [31] . Diese Art von Massenspektrometer wird üblicherweise in der nativen MS eingesetzt und ermöglicht die Analyse intakter Proteinkomplexe und deren Wechselwirkungen mit Liganden, einschließlich Lipiden [4] . Durch die Analyse von Proteoliposomen unter denaturierenden und nativen MS‐Bedingungen wird die Verwendbarkeit von Liposomen als Träger membranassoziierter Proteine und Peptide in die Gasphase eines Massenspektrometers gezeigt.…”
Section: Ergebnisse Und Diskussionunclassified
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