Insight into structural biophysics from solution X-ray scattering

Uri Raviv, Roi Asor, Asaf Shemesh, Avi Ginsburg, Tal Ben-Nun, Yaelle Schilt, Yehonatan Levartovsky, Israel Ringel

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The current challenges of structural biophysics include determining the structure of large self-assembled complexes, resolving the structure of ensembles of complex structures and their mass fraction, and unraveling the dynamic pathways and mechanisms leading to the formation of complex structures from their subunits. Modern synchrotron solution X-ray scattering data enable simultaneous high-spatial and high-temporal structural data required to address the current challenges of structural biophysics. These data are complementary to crystallography, NMR, and cryo-TEM data. However, the analysis of solution scattering data is challenging; hence many different analysis tools, listed in the SAS Portal (http://smallangle.org/), were developed. In this review, we start by briefly summarizing classical X-ray scattering analyses providing insight into fundamental structural and interaction parameters. We then describe recent developments, integrating simulations, theory, and advanced X-ray scattering modeling, providing unique insights into the structure, energetics, and dynamics of self-assembled complexes. The structural information is essential for understanding the underlying physical chemistry principles leading to self-assembled supramolecular architectures and computational structural refinement.

Original languageAmerican English
Article number108029
JournalJournal of Structural Biology
Volume215
Issue number4
DOIs
StatePublished - Dec 2023

Bibliographical note

Publisher Copyright:
© 2023 Elsevier Inc.

Keywords

  • SAXS
  • Self-assembly
  • Time-resolved SAXS
  • WAXS

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