Assignment of cytosine N3 resonances in nucleic acids via intrabase three-bond coupling to amino protons.

abstract：:Insights into the structure and dynamics of large biological systems has been greatly improved by two concurrent NMR approaches: the application of transverse relaxation-optimized spectroscopy (TROSY) techniques in multi-dimensional NMR, especially the methyl-TROSY, and the resurgence of 19F NMR using trifluoromethyl ...

journal_title：Journal of biomolecular NMR

authors： Klein BA,Sykes BD

更新日期：2019-11-01 00:00:00

abstract：:An 'isotopomer-selected NOE' (ISNOE) method for the unequivocal identification of mutually hydrogen-bond-linked hydroxyl groups is described. It relies on the fact that the OH group's signal patterns obtained for a partially deuterated sample originate from both isotopomers of the 'partner' hydroxyl, whereas a NOE for...

journal_title：Journal of biomolecular NMR

authors： Dabrowski J,Grosskurth H,Baust C,Nifant'ev NE

更新日期：1998-07-01 00:00:00

abstract：:A simple triple resonance NMR experiment that leads to the correlation of the backbone amide resonances of each amino acid residue 'i' with that of residues 'i-1' and 'i+1' in ((13)C, (15)N) labelled intrinsically disordered proteins (IDPs) is presented. The experimental scheme, {HN-NCA heteronuclear TOCSY-NH}, exploi...

journal_title：Journal of biomolecular NMR

authors： Wiedemann C,Goradia N,Häfner S,Herbst C,Görlach M,Ohlenschläger O,Ramachandran R

更新日期：2015-10-01 00:00:00

abstract：:Relaxation measurements of side-chain 13CH2-groups of uniformly 13C labeled human ubiquitin were performed at 600 MHz and 800 MHz magnetic field strength at 30 degrees C. Dipole-dipole cross-correlated relaxation effects in T1 experiments were suppressed by the combination of radio-frequency pulses and pulsed field gr...

journal_title：Journal of biomolecular NMR

authors： Jin C,Prompers JJ,Brüschweiler R

更新日期：2003-07-01 00:00:00

abstract：:HET(ex)-SOFAST NMR (Schanda et al. in J Biomol NMR 33:199-211, 2006) has been proposed some years ago as a fast and sensitive method for semi-quantitative measurement of site-specific amide-water hydrogen exchange effects along the backbone of proteins. Here we extend this concept to BEST readout sequences that provid...

journal_title：Journal of biomolecular NMR

authors： Rennella E,Solyom Z,Brutscher B

更新日期：2014-11-01 00:00:00

abstract：:The transmembrane protein YuaF from B. subtilis is a member of the NfeD-like clan with a potential role in maintaining membrane integrity during conditions of cellular stress. nfeD-genes are primarily found in highly conserved operon structures together with the gene of another membrane protein belonging to the SPFH s...

journal_title：Journal of biomolecular NMR

authors： Walker CA,Hinderhofer M,Witte DJ,Boos W,Möller HM

更新日期：2008-09-01 00:00:00

abstract：:One of the major bottlenecks in the determination of proteinstructures by NMR is in the evaluation of the data produced by theexperiments. An important step in this process is assignment, where thepeaks in the spectra are assigned to specific spins within specificresidues. In this paper, we discuss a spin system assig...

journal_title：Journal of biomolecular NMR

authors： Croft D,Kemmink J,Neidig KP,Oschkinat H

更新日期：1997-10-01 00:00:00

abstract：:Higher sensitivity of NMR spectrometers and novel isotopic labeling schemes have ushered the development of rapid data acquisition methodologies, improving the time resolution with which NMR data can be acquired. For nucleic acids, longitudinal relaxation optimization in conjunction with Ernst angle excitation (SOFAST...

journal_title：Journal of biomolecular NMR

authors： Sathyamoorthy B,Lee J,Kimsey I,Ganser LR,Al-Hashimi H

更新日期：2014-11-01 00:00:00

abstract：:Novel alpha/beta-half-filter elements are proposed for the separation of the high-field and low-field component of 1JHC and 1JHN splittings into different subspectra. The alpha/beta-half-filter elements are of the same duration as the S3CT pulse sequence element and, like this, are less sensitive to cross talk between...

journal_title：Journal of biomolecular NMR

authors： Andersson P,Weigelt J,Otting G

更新日期：1998-10-01 00:00:00

abstract：:Protein-ligand titrations can readily be monitored with a trimethylsilyl (TMS) tag. Owing to the intensity, narrow line shape and unique chemical shift of a TMS group, dissociation constants can be determined from straightforward 1D 1H-NMR spectra not only in the fast but also in the slow exchange limit. The tag is ea...

journal_title：Journal of biomolecular NMR

authors： Becker W,Adams LA,Graham B,Wagner GE,Zangger K,Otting G,Nitsche C

更新日期：2018-04-01 00:00:00

abstract：:The solution molecular structure of the four-iron ferredoxin (Fd) from the hyperthermophilic archaeon Thermococcus litoralis (Tl) has been investigated by 1H NMR spectroscopy. TOCSY and NOESY experiments in H2O, tailored to detect both weakly and strongly relaxed resonances, together with steady-state NOEs in both H2O...

journal_title：Journal of biomolecular NMR

authors： Donaire A,Zhou ZH,Adams MM,La Mar GN

更新日期：1996-01-01 00:00:00

abstract：:Characterization of the structure and dynamics of nucleic acids by NMR benefits significantly from position specifically labeled nucleotides. Here an E. coli strain deficient in the transketolase gene (tktA) and grown on glucose that is labeled at different carbon sites is shown to facilitate cost-effective and large ...

journal_title：Journal of biomolecular NMR

authors： Thakur CS,Luo Y,Chen B,Eldho NV,Dayie TK

更新日期：2012-02-01 00:00:00

abstract：:Two new techniques offering considerable improvements in the quality of 1H photo-CIDNP spectra of proteins are demonstrated. Both focus on the problem of progressive photo-degradation of the flavin dye used to generate polarization in exposed tryptophan, tyrosine and histidine side-chains. One approach uses rapid addi...

journal_title：Journal of biomolecular NMR

authors： Maeda K,Lyon CE,Lopez JJ,Cemazar M,Dobson CM,Hore PJ

更新日期：2000-03-01 00:00:00

abstract：:The ability to simultaneously measure many long-range distances is critical to efficient and accurate determination of protein structures by solid-state NMR (SSNMR). So far, the most common distance constraints for proteins are 13C-15N distances, which are usually measured using the rotational-echo double-resonance (R...

journal_title：Journal of biomolecular NMR

authors： Shcherbakov AA,Hong M

更新日期：2018-05-01 00:00:00

abstract：:Hydroxyl protons on serine and threonine residues are not well characterized in protein structures determined by both NMR spectroscopy and X-ray crystallography. In the case of NMR spectroscopy, this is in large part because hydroxyl proton signals are usually hidden under crowded regions of (1)H-NMR spectra and remai...

journal_title：Journal of biomolecular NMR

authors： Brockerman JA,Okon M,McIntosh LP

更新日期：2014-01-01 00:00:00

abstract：:We report site-resolved observation of hydrogen exchange in the micro-crystalline protein Crh. Our approach is based on the use of proton T2' -selective 1H-13C-13C correlation spectra for site-specific assignments of carbons nearby labile protein protons. We compare the proton T2' selective scheme to frequency selecti...

journal_title：Journal of biomolecular NMR

authors： Böckmann A,Juy M,Bettler E,Emsley L,Galinier A,Penin F,Lesage A

更新日期：2005-07-01 00:00:00

abstract：:Carr-Purcell-Meiboom-Gill relaxation dispersion (CPMG RD) NMR spectroscopy has emerged as a powerful tool for quantifying the kinetics and thermodynamics of millisecond time-scale exchange processes involving the interconversion between a visible ground state and one or more minor, sparsely populated invisible 'excite...

journal_title：Journal of biomolecular NMR

authors： Baldwin AJ,Kay LE

更新日期：2012-05-01 00:00:00

abstract：:The voltage-dependent anion channel (VDAC) is the most abundant protein of the outer mitochondrial membrane and constitutes the major pathway for the transport of ADP, ATP, and other metabolites. In this multidisciplinary study we combined solid-state NMR, electrophysiology, and molecular dynamics simulations, to stud...

journal_title：Journal of biomolecular NMR

authors： Gattin Z,Schneider R,Laukat Y,Giller K,Maier E,Zweckstetter M,Griesinger C,Benz R,Becker S,Lange A

更新日期：2015-04-01 00:00:00

abstract：:We have developed an improved isotope-filtered pulse scheme in combination with a double-tuned filter, a hyperbolic secant inversion pulse, and a z-filter with a pulsed field gradient. These filtering pulse schemes have been incorporated into several one-, two-, and three-dimensional experiments, which were applied to...

journal_title：Journal of biomolecular NMR

authors： Ogura K,Terasawa H,Inagaki F

更新日期：1996-12-01 00:00:00

abstract：:Complex mixtures are at the heart of biology, and biomacromolecules almost always exhibit their function in a mixture, e.g., the mode of action for a spider venom is typically dependent on a cocktail of compounds, not just the protein. Information about diseases is encoded in body fluids such as urine and plasma in th...

journal_title：Journal of biomolecular NMR

authors： Björnerås J,Botana A,Morris GA,Nilsson M

更新日期：2014-04-01 00:00:00

abstract：:Two-dimensional (2D) 1H NMR experiments using deuterium labeling have been carried out to investigate the solution of ribonuclease HI (RNase HI) from Escherichia coli (E. coli), which consists of 155 amino acids. To simplify the 1H NMR spectra, two fully deuterated enzymes bearing several protonated amino acids were p...

journal_title：Journal of biomolecular NMR

authors： Oda Y,Nakamura H,Yamazaki T,Nagayama K,Yoshida M,Kanaya S,Ikehara M

更新日期：1992-03-01 00:00:00

abstract：:The kinetics of lanthanide (III) exchange for calcium(II) in the C-terminal EF-hand of the protein calbindin D9k have been studied by one-dimensional (1D) stopped-flow NMR. By choosing a paramagnetic lanthanide (Ce3+), kinetics in the sub-second range can be easily measured. This is made possible by the fact that (i) ...

journal_title：Journal of biomolecular NMR

authors： Barbieri R,Hore PJ,Luchina C,Pierattelli R

更新日期：2002-08-01 00:00:00

abstract：:Mollib is a software framework for the analysis of molecular structures, properties and data with an emphasis on data collected by NMR. It uses an open source model and a plugin framework to promote community-driven development of new and enhanced features. Mollib includes tools for the automatic retrieval and caching...

journal_title：Journal of biomolecular NMR

authors： Lorieau JL

更新日期：2017-10-01 00:00:00

abstract：:The discovery of the TROSY effect (Pervushin et al. in Proc Natl Acad Sci USA 94:12366-12371, 1997) for reducing transverse relaxation and line sharpening through selecting pathways in which dipole-dipole and CSA Hamiltonians partially cancel each other had a tremendous impact on solution NMR studies of macromolecules...

journal_title：Journal of biomolecular NMR

authors： Takeuchi K,Arthanari H,Wagner G

更新日期：2016-12-01 00:00:00

abstract：:The first reconstitution of an Fe2S2 ferredoxin with a diamagnetic prosthetic group was recently described [Kazanis et al. (1995) J. Am. Chem. Soc., 117, 6625-6626]. The replacement of the iron-sulfur cluster of the bacterial ferredoxin putidaredoxin (Pdx) by gallium (Ga3+) renders the protein diamagnetic and permits ...

journal_title：Journal of biomolecular NMR

authors： Kazanis S,Pochapsky TC

更新日期：1997-06-01 00:00:00

abstract：:Understanding of the molecular mechanisms of protein function requires detailed insight into the conformational landscape accessible to the protein. Conformational changes can be crucial for biological processes, such as ligand binding, protein folding, and catalysis. NMR spectroscopy is exquisitely sensitive to such ...

journal_title：Journal of biomolecular NMR

authors： Chatterjee SD,Ubbink M,van Ingen H

更新日期：2018-06-01 00:00:00

abstract：:Solid state NMR sample preparation and resonance assignments of the U-[13C,15N] 2x10.4 kDa dimeric form of the regulatory protein Crh in microcrystalline, PEG precipitated form are presented. Intra- and interresidue correlations using dipolar polarization transfer methods led to nearly complete sequential assignments ...

journal_title：Journal of biomolecular NMR

authors： Böckmann A,Lange A,Galinier A,Luca S,Giraud N,Juy M,Heise H,Montserret R,Penin F,Baldus M

更新日期：2003-12-01 00:00:00

abstract：:We propose a method for the determination of (15)N csa/dipolar cross-correlation rates based on the measurement of the two apparent transverse (or longitudinal) relaxation rates associated with each component of the nitrogen doublet (N(alpha) and N(beta)). This is achieved by inserting a spin state selective scheme in...

journal_title：Journal of biomolecular NMR

authors： Bouguet-Bonnet S,Mutzenhardt P,Canet D

更新日期：2004-10-01 00:00:00

abstract：:Under the condition that the longitudinal relaxation time of spin I is shorter than the longitudinal relaxation time of spin S the steady-state magnetization in [S,I]-TROSY-type experiments can be enhanced by intermediate storage of a part of the steady-state magnetization of spin I on spin S with a pulse sequence ele...

journal_title：Journal of biomolecular NMR

authors： Riek R

更新日期：2001-10-01 00:00:00

abstract：:We have developed an approach for simultaneous structure calculation and automatic Nuclear Overhauser Effect (NOE) assignment to solve nuclear magnetic resonance (NMR) structures from unassigned NOESY data. The approach, autoNOE-Rosetta, integrates Resolution Adapted Structural RECombination (RASREC) Rosetta NMR calcu...

journal_title：Journal of biomolecular NMR

authors： Lange OF

更新日期：2014-07-01 00:00:00