4.8 Review

Surface-induced Dissociation Mass Spectrometry as a Structural Biology Tool

Journal

CHEMICAL REVIEWS
Volume 122, Issue 8, Pages 7442-7487

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.chemrev.1c00309

Keywords

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Funding

  1. NIH [P41 GM128577, S10 OD018507, GM113658, R44GM133239, R43GM140749]
  2. NSF [DBI 0244437, 1455654]
  3. Direct For Biological Sciences
  4. Div Of Biological Infrastructure [1455654] Funding Source: National Science Foundation

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Native mass spectrometry (nMS) is an important tool in structural biology, with great potential due to a range of ionization techniques and new hybrid ion mobility and mass spectrometry systems. This review focuses on the key features and advantages of surface collisions (surface-induced dissociation, SID) for probing connectivity in protein and nucleoprotein complexes, demonstrating the importance of SID and nMS in future structural elucidation of biological assemblies.
Native mass spectrometry (nMS) is evolving into a workhorse for structural biology. The plethora of online and offline preparation, separation, and purification methods as well as numerous ionization techniques combined with powerful new hybrid ion mobility and mass spectrometry systems has illustrated the great potential of nMS for structural biology. Fundamental to the progression of nMS has been the development of novel activation methods for dissociating proteins and protein complexes to deduce primary, secondary, tertiary, and quaternary structure through the combined use of multiple MS/MS technologies. This review highlights the key features and advantages of surface collisions (surface-induced dissociation, SID) for probing the connectivity of subunits within protein and nucleoprotein complexes and, in particular, for solving protein structure in conjunction with complementary techniques such as cryo-EM and computational modeling. Several case studies highlight the significant role SID, and more generally nMS, will play in structural elucidation of biological assemblies in the future as the technology becomes more widely adopted. Cases are presented where SID agrees with solved crystal or cryoEM structures or provides connectivity maps that are otherwise inaccessible by gold standard structural biology techniques.

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