Journal of Biomolecular NMR

, Volume 52, Issue 1, pp 31–39 | Cite as

Assignment strategies for aliphatic protons in the solid-state in randomly protonated proteins

  • Sam Asami
  • Bernd ReifEmail author


Biological solid-state nuclear magnetic resonance spectroscopy developed rapidly in the past two decades and emerged as an important tool for structural biology. Resonance assignment is an essential prerequisite for structure determination and the characterization of motional properties of a molecule. Experiments, which rely on carbon or nitrogen detection, suffer, however, from low sensitivity. Recently, we introduced the RAP (Reduced Adjoining Protonation) labeling scheme, which allows to detect backbone and sidechain protons with high sensitivity and resolution. We present here a 1H-detected 3D (H)CCH experiment for assignment of backbone and sidechain proton resonances. Resolution is significantly improved by employing simultaneous 13CO and 13J-decoupling during evolution of the 13Cα chemical shift. In total, ~90% of the 1Hα-13Cα backbone resonances of chicken α-spectrin SH3 could be assigned.


Magic angle spinning (MAS) solid-state NMR Perdeuteration 2H-labeling Side chain assignment strategies 



This research was supported by the Leibniz-Gemeinschaft, the Helmholtz-Gemeinschaft and the DFG (Re1435, SFB449, SFB740). We are grateful to the Center for Integrated Protein Science Munich (CIPS-M) for financial support. We thank W. Bermel for providing Bruker shaped files for scalar homonuclear carbon decoupling.

Supplementary material

10858_2011_9591_MOESM1_ESM.pdf (82 kb)
Supplementary material 1 (PDF 81 kb)


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Leibniz-Institut für Molekulare Pharmakologie (FMP)BerlinGermany
  2. 2.Department of Chemistry (CIPS-M), Munich Center for Integrated Protein ScienceTechnische Universität München (TUM)GarchingGermany
  3. 3.Helmholtz-Zentrum München (HMGU), Deutsches Forschungszentrum für Gesundheit und Umwelt (HMGU)NeuherbergGermany

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