Publication year: 2010 Source: Journal of Magnetic Resonance, In Press, Accepted Manuscript, Available online 30 June 2010
Dinesh, Kumar , Jithender G, Reddy , Ramakrishna V., Hosur
Time-saving in data acquisition is a major thrust of NMR pulse sequence development in the context of structural proteomics research. The conventional HNCA and HN(CA)CO pulse sequences, routinely used for sequential backbone assignment, have the limitation that they cannot distinguish inter- and intra-residue correlations. In order to remove this ambiguity, one has to record HNCO and HN(CO)CA or sequential HNCA experiments which provide unambiguous information of sequential correlations. However, this almost doubles the experimental time. Besides, they require repeated scanning through the 15N planes to search for the matching peaks along the carbon dimension. In this background, we present here...
High dimensional and high resolution pulse sequences for backbone resonance assignment of intrinsically disordered proteins
High dimensional and high resolution pulse sequences for backbone resonance assignment of intrinsically disordered proteins
Abstract Four novel 5D (HACA(N)CONH, HNCOCACB, (HACA)CON(CA)CONH, (H)NCO(NCA)CONH), and one 6D ((H)NCO(N)CACONH) NMR pulse sequences are proposed. The new experiments employ non-uniform sampling that enables achieving high resolution in indirectly detected dimensions. The experiments facilitate resonance assignment of intrinsically disordered proteins. The novel pulse sequences were successfully tested using δ subunit (20 kDa) of Bacillus subtilis RNA polymerase...
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02-21-2012 03:40 AM
[NMR paper] A sequential HNCA NMR pulse sequence for protein backbone assignment.
A sequential HNCA NMR pulse sequence for protein backbone assignment.
Related Articles A sequential HNCA NMR pulse sequence for protein backbone assignment.
J Magn Reson. 2001 May;150(1):100-4
Authors: Meissner A, Sørensen OW
The conventional HNCA pulse sequence suffers from the ambiguity that it cannot distinguish inter- and intraresidue correlations because the one-bond and two-bond J(NC(alpha)) coupling constants are of similar magnitude. This paper presents a novel pulse sequence, sequential HNCA, that leads to a spectrum exhibiting...
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11-19-2010 08:32 PM
[NMR paper] New (15)N NMR exchange experiments for the unambiguous assignment of (1)H(N)/(15)N re
New (15)N NMR exchange experiments for the unambiguous assignment of (1)H(N)/(15)N resonances of proteins in complexes in slow chemical exchange with free form.
Related Articles New (15)N NMR exchange experiments for the unambiguous assignment of (1)H(N)/(15)N resonances of proteins in complexes in slow chemical exchange with free form.
J Magn Reson. 2000 Feb;142(2):276-9
Authors: Vialle-Printems C, van Heijenoort C, Guittet E
The potentialities of a 2D proton-detected heteronuclear exchange experiment to assign the nitrogen and amide proton...
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11-18-2010 09:15 PM
Corrigendum to “BEST-HNN and 2D (HN)NH experiments for rapid backbone assignment in p
Corrigendum to “BEST-HNN and 2D (HN)NH experiments for rapid backbone assignment in proteins”
Publication year: 2010
Source: Journal of Magnetic Resonance, In Press, Corrected Proof, Available online 15 September 2010</br>
Dinesh, Kumar , Subhradip, Paul , Ramakrishna V., Hosur</br>
Source: Journal of Magnetic Resonance
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09-16-2010 04:29 PM
[Question from NMRWiki Q&A forum] Aromatic sidechain assignment pulse sequences for Varian?
Aromatic sidechain assignment pulse sequences for Varian?
Hi, someone asked a similar question before, but I'd like to know:
Are there readily available varian pulse sequences that help assign aromatic side-chains? Maybe there is something like that in Biopack or elsewhere?
Thanks a bunch! M.
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09-14-2010 03:44 AM
[Question from NMRWiki Q&A forum] How do you port pulse sequences to different field strength?
How do you port pulse sequences to different field strength?
Hi, when you set up a pulse sequence at a different magnet field strength - starting with an existing set of parameters - what do you look at?
Does length of shaped pulses always need to be changed?
What pulse lenghts need to be adjusted?
When it is necessary to re-build RF waveforms - for what kinds of pulses?
nmrlearner
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08-22-2010 02:30 AM
BMRB library of Bruker pulse sequences
The following Bruker pulse sequences can be found on BMRB website.
Shift correlation:
Homonuclear
Three-dimensional TOCSY-HSQC 3D experiment
NOESY-HSQC 3D experiment
Heteronuclear
nmrlearner
NMR pulse sequences
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03-26-2005 06:18 AM
NMR pulse sequences of Danish Instrument Center
The following NMR pulse sequences for biological macromolecules are available on the website of the Danish Instrument Center as of 3/15/05: Coupling Constants in Proteins
- 2D S3CT for measurement of one bond coupling constants (J & RDC) - Varian, Bruker
TROSY experiments
- clean TROSY, 15N-1H correlation, gradient version, water flip back, optional t2 decoupling - Varian, Bruker
- constant-time S3CT TROSY, 13 C-1H correlation, gradient version - Varian, Bruker
- (H)CCH TROSY, 3D TROSY-type HCCH correlation with diagonal peak suppression - Varian
- TROSY-Type NOESY, 2D NOESY with...