Abstract
The integration of complementary molecular methods (including X-ray crystallography, NMR spectroscopy, small angle X-ray/neutron scattering, and computational techniques) is frequently required to obtain a comprehensive understanding of dynamic macromolecular complexes. In particular, these techniques are critical for studying intrinsically disordered protein regions (IDRs) or intrinsically disordered proteins (IDPs) that are part of large protein:protein complexes. Here, we explain how to prepare IDP samples suitable for study using NMR spectroscopy, and describe a novel SAXS modeling method (ensemble refinement of SAXS; EROS) that integrates the results from complementary methods, including crystal structures and NMR chemical shift perturbations, among others, to accurately model SAXS data and describe ensemble structures of dynamic macromolecular complexes.
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Acknowledgments
The authors thank all the members of the Page and Peti laboratory. This work was supported by NIH grant R01GM098482 to RP; NIH R01GM100910 and American Diabetes Association Pathway to the Cure 1-14-ACN-31 to WP. EB was supported by the Czech Science Foundation grant number 17-05200S, by the project InterBioMed LO1302 from the Ministry of Education of the Czech Republic and by the Academy of Sciences of the Czech Republic (RVO: 61388963). BR was supported by the National Science Centre, Poland, grant number 2016/21/B/NZ1/00006, and by the European Framework Programme VII NMP grant 604530-2 (CellulosomePlus) and co-financed by the Polish Ministry of Science and Higher Education from the resources granted for the years 2014-2017 in support of scientific projects.
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Peti, W., Page, R., Boura, E., Różycki, B. (2018). Structures of Dynamic Protein Complexes: Hybrid Techniques to Study MAP Kinase Complexes and the ESCRT System. In: Ghose, R. (eds) Protein NMR. Methods in Molecular Biology, vol 1688. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7386-6_17
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DOI: https://doi.org/10.1007/978-1-4939-7386-6_17
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