Hybrid Applications of Solution Scattering to Aid Structural Biology

Published

November 19, 2017

Author(s)

Alexander Grishaev

Abstract

Biomolecular applications of solution X-ray and neutron scattering (SAXS and SANS, respectively) started in late 1960s – early 1970s but were relatively limited in their ability to provide a detailed structural picture and lagged behind what became the two primary methods of experimental structural biology − X-ray crystallography and NMR. However, improvements in both data analysis and instrumentation led to an explosive growth in the number of studies that used small-angle scattering (SAS) for investigation of macromolecular structure, often in combination with other biophysical techniques. Such hybrid applications are nowadays quickly becoming a norm whenever scattering data are used for two reasons. First, it is generally accepted that SAS data on their own cannot lead to a uniquely defined high-resolution structural model, creating a need for supplementing them with information from complementary techniques. Second, solution scattering data are frequently applied in situations when a method such NMR or X-ray crystallography cannot provide a satisfactory structural picture, which makes these additional restraints highly desirable. Maturation of the hybrid bio-SAS approaches brings to light new questions including completeness of the conformational space sampling, model validation, and data compatibility.

Citation

Biological Small Angle Scattering: Techniques, Strategies and Tips

Publisher Info

Springer, Singapore, -1

Pub Type

Books

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DOI Link

Keywords

Solution scattering, SAXS, macromolecular structure, hybrid methods

Citation

Grishaev, A. (2017), Hybrid Applications of Solution Scattering to Aid Structural Biology, Springer, Singapore, -1, [online], https://doi.org/10.1007/978-981-10-6038-0_13 (Accessed April 23, 2024)