The Use of 13C Direct-Detect NMR to Characterize Flexible and Disordered Proteins

Erik C. Cook, Grace A. Usher, Scott A. Showalter

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

NMR spectroscopy remains the only experimental technique that provides (near) atomistic structural information for intrinsically disordered proteins (IDPs), but their sequence and structure characteristics still pose major challenges for high-resolution spectroscopy. Carbon-13 direct-detect NMR spectroscopy can overcome poor spectral dispersion and other difficulties associated with traditional 1H-detected NMR of nonaggregating disordered proteins. This chapter presents spectroscopic protocols suitable for complete characterization of IDPs that rely exclusively on 13C direct-detect experiments. The protocols described span initial characterization and chemical shift assignment; structure constraint through residual dipolar coupling and paramagnetic relaxation enhancement measurements; and assessment of intramolecular dynamics through 15N spin relaxation. The experiments described empower investigators to establish molecular mechanisms and structure–function relationships for IDPs and other proteins characterized by high internal flexibility.

Original languageEnglish (US)
Title of host publicationMethods in Enzymology
EditorsElizabeth Rhoades
PublisherAcademic Press Inc.
Pages81-100
Number of pages20
ISBN (Print)9780128156490
DOIs
StatePublished - Jan 1 2018

Publication series

NameMethods in Enzymology
Volume611
ISSN (Print)0076-6879
ISSN (Electronic)1557-7988

Fingerprint

Intrinsically Disordered Proteins
Nuclear magnetic resonance
Nuclear magnetic resonance spectroscopy
Magnetic Resonance Spectroscopy
Proteins
Chemical shift
Spectrum Analysis
Carbon
Experiments
Research Personnel
Spectroscopy

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology

Cite this

Cook, E. C., Usher, G. A., & Showalter, S. A. (2018). The Use of 13C Direct-Detect NMR to Characterize Flexible and Disordered Proteins. In E. Rhoades (Ed.), Methods in Enzymology (pp. 81-100). (Methods in Enzymology; Vol. 611). Academic Press Inc.. https://doi.org/10.1016/bs.mie.2018.08.025
Cook, Erik C. ; Usher, Grace A. ; Showalter, Scott A. / The Use of 13C Direct-Detect NMR to Characterize Flexible and Disordered Proteins. Methods in Enzymology. editor / Elizabeth Rhoades. Academic Press Inc., 2018. pp. 81-100 (Methods in Enzymology).
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Cook, EC, Usher, GA & Showalter, SA 2018, The Use of 13C Direct-Detect NMR to Characterize Flexible and Disordered Proteins. in E Rhoades (ed.), Methods in Enzymology. Methods in Enzymology, vol. 611, Academic Press Inc., pp. 81-100. https://doi.org/10.1016/bs.mie.2018.08.025

The Use of 13C Direct-Detect NMR to Characterize Flexible and Disordered Proteins. / Cook, Erik C.; Usher, Grace A.; Showalter, Scott A.

Methods in Enzymology. ed. / Elizabeth Rhoades. Academic Press Inc., 2018. p. 81-100 (Methods in Enzymology; Vol. 611).

Research output: Chapter in Book/Report/Conference proceedingChapter

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Cook EC, Usher GA, Showalter SA. The Use of 13C Direct-Detect NMR to Characterize Flexible and Disordered Proteins. In Rhoades E, editor, Methods in Enzymology. Academic Press Inc. 2018. p. 81-100. (Methods in Enzymology). https://doi.org/10.1016/bs.mie.2018.08.025