Zobrazeno 1 - 10
of 425
pro vyhledávání: '"Fast MAS"'
Autor:
Yutaro Ogaeri, Yusuke Nishiyama
Publikováno v:
Magnetic Resonance Letters, Vol 4, Iss 1, Pp 100094- (2024)
Nitrogen-14 (14N) overtone (OT) spectroscopy under fast magic angle spinning (MAS) conditions (>60 kHz) has emerged as a powerful technique for observing correlations and distances between 14N and 1H, owing to the absence of the first-order quadrupol
Externí odkaz:
https://doaj.org/article/58e0646068aa4e42a87032a15aec56c3
Autor:
Sahil Ahlawat, Subbarao Mohana Venkata Mopidevi, Pravin P. Taware, Sreejith Raran-Kurussi, Kaustubh R. Mote, Vipin Agarwal
Publikováno v:
Journal of Structural Biology: X, Vol 7, Iss , Pp 100082- (2023)
The assignment of aromatic side-chain spins has always been more challenging than assigning backbone and aliphatic spins. Selective labeling combined with mutagenesis has been the approach for assigning aromatic spins. This manuscript reports a metho
Externí odkaz:
https://doaj.org/article/8ed7e0a1710f49769f74987893cc8f07
Publikováno v:
Journal of Magnetic Resonance Open, Vol 10, Iss , Pp 100028- (2022)
Measurement of distances from dipolar couplings is essential for structural characterization, refinement and validation using the solid-state nuclear magnetic resonance (ssNMR) spectroscopy. Particularly, knowledge about NH dipolar interactions in bi
Externí odkaz:
https://doaj.org/article/e21f242501ab4c9cb9a7754b26a19617
Autor:
Yusuke Nishiyama, Nghia Tuan Duong
Publikováno v:
Journal of Magnetic Resonance Open, Vol 10, Iss , Pp 100062- (2022)
This primer article introduces a practical guide for setting up 1H detection solid-state NMR experiments under fast MAS conditions for small molecules. Sample independent adjustment/calibration including magic angle adjustment, shimming, radio-freque
Externí odkaz:
https://doaj.org/article/634160e450b341ca9e2b512bb1c52e31
Autor:
Piotr Paluch, Rafal Augustyniak, Mai-Liis Org, Kalju Vanatalu, Ats Kaldma, Ago Samoson, Jan Stanek
Publikováno v:
Frontiers in Molecular Biosciences, Vol 9 (2022)
In nuclear magnetic resonance spectroscopy of proteins, methyl protons play a particular role as extremely sensitive reporters on dynamics, allosteric effects, and protein–protein interactions, accessible even in high-molecular-weight systems appro
Externí odkaz:
https://doaj.org/article/9708b4f82cfb442eb13a721471194390
Autor:
Roman Zadorozhnyi, Sucharita Sarkar, Caitlin M. Quinn, Kaneil K. Zadrozny, Barbie K. Ganser-Pornillos, Owen Pornillos, Angela M. Gronenborn, Tatyana Polenova
Publikováno v:
Frontiers in Molecular Biosciences, Vol 8 (2021)
Histidine residues play important structural and functional roles in proteins, such as serving as metal-binding ligands, mediating enzyme catalysis, and modulating proton channel activity. Many of these activities are modulated by the ionization stat
Externí odkaz:
https://doaj.org/article/21efb9459c7b4027b870d2a182ded22b
Publikováno v:
Frontiers in Molecular Biosciences, Vol 8 (2021)
Order parameters are a useful tool for quantifying amplitudes of molecular motions. Here we measure dipolar order parameters by recoupling heteronuclear dipole-dipole couplings under fast spinning. We apply symmetry based recoupling methods to sample
Externí odkaz:
https://doaj.org/article/1dc8bc2aa4aa4ef3801016e117baf158
Publikováno v:
Frontiers in Molecular Biosciences, Vol 8 (2021)
Accurate distance measurements between proton and nitrogen can provide detailed information on the structures and dynamics of various molecules. The combination of broadband phase-modulated (PM) pulse and rotational-echo saturation-pulse double-reson
Externí odkaz:
https://doaj.org/article/3eab49e3f419444ea72192e797101842
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Autor:
Thomas Wiegand, Alexander A. Malär, Riccardo Cadalbert, Matthias Ernst, Anja Böckmann, Beat H. Meier
Publikováno v:
Frontiers in Molecular Biosciences, Vol 7 (2020)
Asparagine and glutamine side-chains can form hydrogen-bonded ladders which contribute significantly to the stability of amyloid fibrils. We show, using the example of HET-s(218–289) fibrils, that the primary amide side-chain proton resonances can
Externí odkaz:
https://doaj.org/article/54e658ec945a48848cea50ad3ccaa059