Related ArticlesAutomated backbone NMR resonance assignment of large proteins using redundant linking from a single simultaneous acquisition.
J Am Chem Soc. 2020 Mar 04;:
Authors: Stanek J, Schubeis T, Paluch P, Güntert P, Andreas LB, Pintacuda G
Abstract
Thanks to magic-angle spinning (MAS) probes with frequencies*of 60-100 kHz, the benefit of high sensitivity*1H detection can now*be broadly realized in biomolecular solid-state NMR for the analysis of*microcrystalline,*sedimented, or lipid-embedded preparations. Nonetheless, performing*the assignment of all resonances remains*a*rate-limiting step in protein*structural studies, and even the latest optimized protocols fail to perform this*step when the protein size exceeds ~20 kDa. Here we leverage the benefits of*fast (100 kHz) MAS and high (800 MHz) magnetic fields to design an approach that*lifts this limitation. Through the creation, conservation and*acquisition of*independent magnetization pathways within a single triple-resonance MAS NMR*experiment, a single self-consistent dataset can be acquired, providing enhanced sensitivity, reduced vulnerability to*machine or sample instabilities,*and highly redundant linking that supports fully-automated peak picking and resonance assignment. The method, dubbed RAVASSA (Redundant Assignment Via A Single*Simultaneous Acquisition), is demonstrated with the assignment of the largest protein*to date in the solid state, the 42.5 kDa maltose binding protein, using a single fully protonated*microcrystalline sample and one week of spectrometer time.
PMID: 32129995 [PubMed - as supplied by publisher]
Simultaneous recording of intra- and inter-residue linking experiments for backbone assignments in proteins at MAS frequencies higher than 60Â*kHz
Simultaneous recording of intra- and inter-residue linking experiments for backbone assignments in proteins at MAS frequencies higher than 60Â*kHz
Abstract
Obtaining site-specific assignments for the NMR spectra of proteins in the solid state is a significant bottleneck in deciphering their biophysics. This is primarily due to the time-intensive nature of the experiments. Additionally, the low resolution in the \(^{1}{\text {H}}\)-dimension requires multiple complementary experiments to be recorded to lift degeneracies in assignments. We present here...
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02-29-2020 09:52 PM
Five and four dimensional experiments for robust backbone resonance assignment of large intrinsically disordered proteins: application to Tau3x protein
Five and four dimensional experiments for robust backbone resonance assignment of large intrinsically disordered proteins: application to Tau3x protein
Abstract
New experiments dedicated for large IDPs backbone resonance assignment are presented. The most distinctive feature of all described techniques is the employment of MOCCA-XY16 mixing sequences to obtain effective magnetization transfers between carbonyl carbon backbone nuclei. The proposed 4 and 5 dimensional experiments provide a high dispersion of obtained signals making them suitable for use...
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07-20-2016 08:15 AM
[NMR paper] NMR Backbone Assignment of Large Proteins by Using (13) C? -Only Triple-Resonance Experiments.
NMR Backbone Assignment of Large Proteins by Using (13) C? -Only Triple-Resonance Experiments.
NMR Backbone Assignment of Large Proteins by Using (13) C? -Only Triple-Resonance Experiments.
Chemistry. 2016 Jun 8;
Authors: Wei Q, Chen J, Mi J, Zhang J, Ruan K, Wu J
Abstract
Nuclear magnetic resonance (NMR) is a powerful tool to interrogate protein structure and dynamics residue by residue. However, the prerequisite chemical-shift assignment remains a bottleneck for large proteins due to the fast relaxation and the frequency...
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06-09-2016 07:44 PM
Protein residue linking in a single spectrum for magic-angle spinning NMR assignment
Protein residue linking in a single spectrum for magic-angle spinning NMR assignment
Abstract
Here we introduce a new pulse sequence for resonance assignment that halves the number of data sets required for sequential linking by directly correlating sequential amide resonances in a single diagonal-free spectrum. The method is demonstrated with both microcrystalline and sedimented deuterated proteins spinning at 60 and 111Â*kHz, and a fully protonated microcrystalline protein spinning at 111Â*kHz, with as little as 0.5Â*mg protein sample. We...
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06-16-2015 04:27 AM
An automated framework for NMR resonance assignment through simultaneous slice picking and spin system forming
An automated framework for NMR resonance assignment through simultaneous slice picking and spin system forming
Abstract
Despite significant advances in automated nuclear magnetic resonance-based protein structure determination, the high numbers of false positives and false negatives among the peaks selected by fully automated methods remain a problem. These false positives and negatives impair the performance of resonance assignment methods. One of the main reasons for this problem is that the computational research community often considers peak...
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06-19-2014 10:21 PM
[NMR paper] An automated framework for NMR resonance assignment through simultaneous slice picking and spin system forming.
An automated framework for NMR resonance assignment through simultaneous slice picking and spin system forming.
Related Articles An automated framework for NMR resonance assignment through simultaneous slice picking and spin system forming.
J Biomol NMR. 2014 Apr 19;
Authors: Abbas A, Guo X, Jing BY, Gao X
Abstract
Despite significant advances in automated nuclear magnetic resonance-based protein structure determination, the high numbers of false positives and false negatives among the peaks selected by fully automated methods...
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04-22-2014 03:54 PM
Automated NMR Resonance Assignment of Large Proteins for Protein-Ligand Interaction Studies.
Automated NMR Resonance Assignment of Large Proteins for Protein-Ligand Interaction Studies.
Automated NMR Resonance Assignment of Large Proteins for Protein-Ligand Interaction Studies.
J Am Chem Soc. 2010 Dec 16;
Authors: Gossert AD, Hiller S, Ferna?ndez C
The detection and structural characterization of protein-ligand interactions by solution NMR is central to functional biology research as well as to drug discovery. Here we present a robust and highly automated procedure for obtaining the resonance assignments necessary for studies of such...
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12-18-2010 12:00 PM
Automated NMR Resonance Assignment of Large Proteins for Protein-Ligand Interaction Studies
Automated NMR Resonance Assignment of Large Proteins for Protein-Ligand Interaction Studies
Alvar D. Gossert, Sebastian Hiller and Ce?sar Ferna?ndez
http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/0/jacsat.ahead-of-print/ja108383x/aop/images/medium/ja-2010-08383x_0004.gif
Journal of the American Chemical Society
DOI: 10.1021/ja108383x
http://feeds.feedburner.com/~ff/acs/jacsat?d=yIl2AUoC8zA
http://feeds.feedburner.com/~r/acs/jacsat/~4/E3PMYeBSCeE