Sparse (13)C labelling for solid-state NMR studies of P. pastoris expressed eukaryotic seven-transmembrane proteins.

abstract：:An approach to the determination of the 2-(13)C' chemical shift (CS) tensor orientation in pyrimidine bases via heteronuclear MAS NMR spectroscopy is presented. Considering a dipolar coupled spin 1/2 network of the type S1-I-S2 consisting of directly bonded heteronuclear spins, we have carried out numerical simulation...

journal_title：Journal of biomolecular NMR

authors： Leppert J,Heise B,Ramachandran R

更新日期：2000-10-01 00:00:00

abstract：:Extensive resonance overlap exacerbates assignment of intrinsically disordered proteins (IDPs). This issue can be circumvented by utilizing (15)N, (13)C' and (1)H(N) spins, where the chemical shift dispersion is mainly dictated by the characteristics of consecutive amino acid residues. Especially (15)N and (13)C' spin...

journal_title：Journal of biomolecular NMR

authors： Mäntylahti S,Hellman M,Permi P

更新日期：2011-02-01 00:00:00

abstract：:The solution structure of the SH3 domain of human p56 Lck tyrosine kinase (Lck-SH3) has been determined by multidimensional heteronuclear NMR spectroscopy. The structure was calculated from a total of 935 experimental restraints comprising 785 distance restraints derived from 1017 assigned NOE cross peaks and 150 dihe...

journal_title：Journal of biomolecular NMR

authors： Hiroaki H,Klaus W,Senn H

更新日期：1996-09-01 00:00:00

abstract：:Many regulatory RNAs undergo dynamic exchanges that are crucial for their biological functions and NMR spectroscopy is a versatile tool for monitoring dynamic motions of biomolecules. Meaningful information on biomolecular dynamics requires an accurate measurement of relaxation parameters such as longitudinal (R1) rat...

journal_title：Journal of biomolecular NMR

authors： Nam H,Becette O,LeBlanc RM,Oh D,Case DA,Dayie TK

更新日期：2020-07-01 00:00:00

abstract：:A method is proposed to determine the conformational equilibrium of flexible polypeptides in solution, using the data provided by NMR spectroscopy and theoretical conformational calculations. The algorithm consists of the following three steps: (i) search of the conformational space in order to find conformations with...

journal_title：Journal of biomolecular NMR

authors： Groth M,Malicka J,Czaplewski C,Ołdziej S,Lankiewicz L,Wiczk W,Liwo A

更新日期：1999-12-01 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：:Spectral densities of the 15N amide in Escherichia coli ribonuclease HI, obtained from NMR relaxation experiments, were compared with those calculated using a molecular dynamics (MD) simulation. All calculations and comparisons assumed that the auto-correlation function describing the internal motions of the molecule ...

journal_title：Journal of biomolecular NMR

authors： Ishima R,Yamasaki K,Saito M,Nagayama K

更新日期：1995-09-01 00:00:00

abstract：:Cytochrome c552 from the thermophilic bacterium Hydrogenobacter thermophilus is a typical c-type cytochrome which binds heme covalently via two thioether bonds between the two heme vinyl groups and two cysteine thiol groups in a CXXCH sequence motif. This protein was converted to a b-type cytochrome by substitution of...

journal_title：Journal of biomolecular NMR

authors： Tozawa K,Ferguson SJ,Redfield C,Smith LJ

更新日期：2015-06-01 00:00:00

abstract：:NMR spectroscopy provides a powerful approach for the characterisation of chemical exchange and molecular interactions by analysis of series of experiments acquired over the course of a titration measurement. The appearance of NMR resonances undergoing chemical exchange depends on the frequency difference relative to ...

journal_title：Journal of biomolecular NMR

authors： Waudby CA,Ouvry M,Davis B,Christodoulou J

更新日期：2020-01-01 00:00:00

abstract：:Methyl (13)CHD(2) isotopomers of all methyl-containing amino-acids can be observed in residually protonated samples of large proteins obtained from [U-(13)C,(1)H]-glucose/D(2)O-based bacterial media, with sensitivity sufficient for a number of NMR applications. Selective detection of some subsets of methyl groups (Ala...

journal_title：Journal of biomolecular NMR

authors： Guo C,Tugarinov V

更新日期：2010-02-01 00:00:00

abstract：:A large number of amino acids other than the canonical amino acids can now be easily incorporated in vivo into proteins at genetically encoded positions. The technology requires an orthogonal tRNA/aminoacyl-tRNA synthetase pair specific for the unnatural amino acid that is added to the media while a TAG amber or frame...

journal_title：Journal of biomolecular NMR

authors： Jones DH,Cellitti SE,Hao X,Zhang Q,Jahnz M,Summerer D,Schultz PG,Uno T,Geierstanger BH

更新日期：2010-01-01 00:00:00

abstract：:The 3D HCCH-TOCSY and HCC(CO)NH-TOCSY experiments provide through bond connectivity and are used for side-chain chemical shift assignment by solution-state NMR. Careful design and implementation of the pulse sequence are key to the successful application of the technique particularly when trying to extract the maximum...

journal_title：Journal of biomolecular NMR

authors： Xia Y,Yuwen T,Rossi P

更新日期：2020-05-01 00:00:00

abstract：:In aqueous solution, exchanging peptide NH protons experience two environments, that of the peptide itself with a relatively slow diffusion coefficient and that of the water solvent with a faster diffusion coefficient. Although in slow exchange on the NMR chemical shift timescale, the magnetic field gradient dependenc...

journal_title：Journal of biomolecular NMR

authors： Liu M,Toms HC,Hawkes GE,Nicholson JK,Lindon JC

更新日期：1999-01-01 00:00:00

abstract：:Solid state NMR spectra from uniformly (13)C, (15)N enriched bacteriorhodospin (bR) purified from H. salinarium were acquired at 18.8 T using magic angle spinning methods. Isolated resonances of 2D (13)C-(13)C spectra exhibited 0.50-0.55 ppm line-widths. Several amino acid types could be assigned, and at least 12 out ...

journal_title：Journal of biomolecular NMR

authors： Varga K,Aslimovska L,Watts A

更新日期：2008-05-01 00:00:00

abstract：:A pulse sequence is described for recording single-quantum (13)C-methyl relaxation dispersion profiles of (13)C-selectively labeled methyl groups in proteins that offers significant improvements in sensitivity relative to existing approaches where initial magnetization derives from (13)C polarization. Sensitivity gain...

journal_title：Journal of biomolecular NMR

authors： Lundström P,Vallurupalli P,Religa TL,Dahlquist FW,Kay LE

更新日期：2007-05-01 00:00:00

abstract：:A MAS solid state NMR approach for achieving efficient scalar coupling mediated through-bond (13)C chemical shift correlations of the aliphatic carbons in uniformly labelled peptides/proteins is described. The method involves the application of a continuous train of adiabatic inversion pulses, as in the adiabatic TOCS...

journal_title：Journal of biomolecular NMR

authors： Leppert J,Ohlenschläger O,Görlach M,Ramachandran R

更新日期：2004-06-01 00:00:00

abstract：:The present study deals with the relevance of using mobility-averaged dipolar couplings for the structure refinement of flexible proteins. The 68-residue protein p8MTCP1 has been chosen as model for this study. Its solution state consists mainly of three alpha-helices. The two N-terminal helices are strapped in a well...

journal_title：Journal of biomolecular NMR

authors： Déméné H,Ducat T,Barthe P,Delsuc MA,Roumestand C

更新日期：2002-01-01 00:00:00

abstract：:Analysis of 2D [(13)C,(1)H]-HSQC spectra of biosynthetic fractionally (13)C labeled proteins is a reliable, straightforward means to obtain stereospecific assignments of Val and Leu methyl sites in proteins. Herein we show that the same fractionally labeled protein sample facilitates observation and identification of ...

journal_title：Journal of biomolecular NMR

authors： Jacob J,Louis JM,Nesheiwat I,Torchia DA

更新日期：2002-11-01 00:00:00

abstract：:A new isotope labeling technique for peptide segments in a protein sample was recently established using the protein splicing element intein [Yamazaki et al. (1998) J. Am. Chem. Soc., 120, 5591-5592]. This method makes it possible to observe signals of a selected amino (N-) or carboxyl (C-) terminal region along a pep...

journal_title：Journal of biomolecular NMR

authors： Otomo T,Teruya K,Uegaki K,Yamazaki T,Kyogoku Y

更新日期：1999-06-01 00:00:00

abstract：:Simultaneous recording of different NMR parameters is an efficient way to reduce the overall experimental time and speed up structural studies of biological macromolecules. This can especially be beneficial in the case of fast NMR-based drug screening applications or for collecting NOE restraints, where prohibitively ...

journal_title：Journal of biomolecular NMR

authors： Würtz P,Aitio O,Hellman M,Permi P

更新日期：2007-10-01 00:00:00

abstract：:High-pressure NMR spectroscopy has emerged as a complementary approach for investigating various structural and thermodynamic properties of macromolecules. Noticeably absent from the array of experimental restraints that have been employed to characterize protein structures at high hydrostatic pressure is the residual...

journal_title：Journal of biomolecular NMR

authors： Fu Y,Wand AJ

更新日期：2013-08-01 00:00:00

abstract：:A computer program has been developed to accurately and automatically predict the 1H and 13C chemical shifts of unassigned proteins on the basis of sequence homology. The program (called SHIFTY) uses standard sequence alignment techniques to compare the sequence of an unassigned protein against the BioMagResBank--a pu...

journal_title：Journal of biomolecular NMR

authors： Wishart DS,Watson MS,Boyko RF,Sykes BD

更新日期：1997-12-01 00:00:00

abstract：:The chemical shifts of (13)C2 of adenosine residues of DNA were observed to experience a through-space or trans-hydrogen bond isotope effect as a result of deuterium substitution at the imino hydrogen site of base-paired thymidine residues. NMR measurements of several self-complementary DNA duplexes at natural abundan...

journal_title：Journal of biomolecular NMR

authors： Vakonakis I,LiWang AC

更新日期：2004-05-01 00:00:00

abstract：:During the past three years it has become possible to compute ab initio the 13C, 15N and 19F NMR chemical shifts of many sites in native proteins. Chemical shifts are beginning to become a useful supplement to more established methods of solution structure determination, and may find utility in solid-state analysis as...

journal_title：Journal of biomolecular NMR

authors： Oldfield E

更新日期：1995-04-01 00:00:00

abstract：:Many nucleic acids and proteins require divalent metal ions such as Mg(2+) and Ca(2+) for folding and function. The lipophilic alignment media frequently used as membrane mimetics also bind these divalent metals. Here we demonstrate the use of (31)P NMR spectrum of a metal ion chelator (deoxycytidine diphosphate) to m...

journal_title：Journal of biomolecular NMR

authors： Kozlyuk N,Sengupta S,Lupták A,Martin RW

更新日期：2016-04-01 00:00:00

abstract：:NMR spectroscopy was used to evaluate growth media and the cellular metabolome in two systems of interest to biomedical research. The first of these was a Chinese hamster ovary cell line engineered to express a recombinant protein. Here, NMR spectroscopy and a quantum mechanical total line shape analysis were utilized...

journal_title：Journal of biomolecular NMR

authors： Aranibar N,Borys M,Mackin NA,Ly V,Abu-Absi N,Abu-Absi S,Niemitz M,Schilling B,Li ZJ,Brock B,Russell RJ 2nd,Tymiak A,Reily MD

更新日期：2011-04-01 00:00:00

abstract：:Lanthanide complexes based on the DOTA (1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid) cage are commonly used as phase contrast agents in magnetic resonance imaging, but can also be utilized in structural NMR applications due to their ability to induce either paramagnetic relaxation enhancement or a pseudoc...

journal_title：Journal of biomolecular NMR

authors： Strickland M,Schwieters CD,Göbl C,Opina AC,Strub MP,Swenson RE,Vasalatiy O,Tjandra N

更新日期：2016-10-01 00:00:00

abstract：:PG-1 adopts a dimeric structure in dodecylphosphocholine (DPC) micelles, and a channel is formed by the association of several dimers but the molecular mechanisms of the membrane damage by non-α-helical peptides are still unknown. The formation of the PG-1 dimer is important for pore formation in the lipid bilayer, si...

journal_title：Journal of biomolecular NMR

authors： Usachev KS,Efimov SV,Kolosova OA,Filippov AV,Klochkov VV

更新日期：2015-04-01 00:00:00

abstract：:A three-dimensional 1H, 13C, 31P triple resonance experiment, HCP-CCH-TOCSY, is presented which provides unambiguous through-bond correlation of all 1H ribose protons on the 5' and 3' sides of the intervening phosphorus along the backbone bonding network in 13C-labeled RNA oligonucleotides. The correlation of the comp...

journal_title：Journal of biomolecular NMR

authors： Marino JP,Schwalbe H,Anklin C,Bermel W,Crothers DM,Griesinger C

更新日期：1995-01-01 00:00:00

abstract：:Silkworms serve as promising bioreactors for the production of recombinant proteins, including glycoproteins and membrane proteins, for structural and functional protein analyses. However, lack of methodology for stable isotope labeling has been a major deterrent to using this expression system for nuclear magnetic re...

journal_title：Journal of biomolecular NMR

authors： Yagi H,Nakamura M,Yokoyama J,Zhang Y,Yamaguchi T,Kondo S,Kobayashi J,Kato T,Park EY,Nakazawa S,Hashii N,Kawasaki N,Kato K

更新日期：2015-06-01 00:00:00