Journal
MASS SPECTROMETRY REVIEWS
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1002/mas.21793
Keywords
native top-down MS; protein complexes; structural biology
Categories
Funding
- NSFC [81872836, 91953102]
- Natural Science Foundation of Guangdong Province [2019A1515011265]
- Fundamental Research Funds for the Sun Yat-sen University [19ykzd26]
- Open Project Funding of the State Key Laboratory of Crop Stress Adaptation and Improvement
- Pearl River Talent Recruitment Program
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Progress in structural biology research has created a higher demand for powerful tools to characterize proteins and protein complexes. Native mass spectrometry (nMS), particularly native top-down mass spectrometry (nTDMS), has gained significant interest in the past decade. This review highlights recent advances in nTDMS for structural research of biological assemblies, focusing on the additional layers of information enabled by TDMS. It also discusses the challenges, potential, and perspectives of nTDMS methods for protein and protein assembly analysis.
Progress in structural biology research has led to a high demand for powerful and yet complementary analytical tools for structural characterization of proteins and protein complexes. This demand has significantly increased interest in native mass spectrometry (nMS), particularly native top-down mass spectrometry (nTDMS) in the past decade. This review highlights recent advances in nTDMS for structural research of biological assemblies, with a particular focus on the extra multi-layers of information enabled by TDMS. We include a short introduction of sample preparation and ionization to nMS, tandem fragmentation techniques as well as mass analyzers and software/analysis pipelines used for nTDMS. We highlight unique structural information offered by nTDMS and examples of its broad range of applications in proteins, protein-ligand interactions (metal, cofactor/drug, DNA/RNA, and protein), therapeutic antibodies and antigen-antibody complexes, membrane proteins, macromolecular machineries (ribosome, nucleosome, proteosome, and viruses), to endogenous protein complexes. The challenges, potential, along with perspectives of nTDMS methods for the analysis of proteins and protein assemblies in recombinant and biological samples are discussed.
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