[Question from NMRWiki Q&A forum] bulk water relaxation dependence on temperature
bulk water relaxation dependence on temperature
Is liquid water's relaxation rate strongly dependent on temperature, and does anyone have a link to a good online article with the dependency equation?Thanks!
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12-23-2011 10:21 AM
[NMR paper] Temperature dependence of protein backbone motion from carbonyl 13C and amide 15N NMR
Temperature dependence of protein backbone motion from carbonyl 13C and amide 15N NMR relaxation.
Related Articles Temperature dependence of protein backbone motion from carbonyl 13C and amide 15N NMR relaxation.
J Magn Reson. 2005 May;174(1):43-53
Authors: Chang SL, Tjandra N
The NMR spin-lattice relaxation rate (R1) and the rotating-frame spin-lattice relaxation rate (R1rho) of amide 15N and carbonyl 13C (13C') of the uniformly 13C- and 15N-labeled ubiquitin were measured at different temperatures and field strengths to investigate the...
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11-25-2010 08:21 PM
[NMR paper] A protein backbone psi and phi angle dependence of 2J(N(i),C alpha(i-1)): the new NMR
A protein backbone psi and phi angle dependence of 2J(N(i),C alpha(i-1)): the new NMR experiment and quantum chemical calculations.
Related Articles A protein backbone psi and phi angle dependence of 2J(N(i),C alpha(i-1)): the new NMR experiment and quantum chemical calculations.
J Biomol NMR. 2005 Feb;31(2):87-95
Authors: Ko?mi?ski W, Zhukov I, Pecul M, Sadlej J
A new pulse sequence exploiting double- and zero-quantum evolution of two-spin 15N-13C' coherence is proposed for the accurate measurements of 2J(N(i),C alpha(i-1)) coupling...
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11-24-2010 11:14 PM
[NMR paper] Temperature dependence of NMR order parameters and protein dynamics.
Temperature dependence of NMR order parameters and protein dynamics.
Related Articles Temperature dependence of NMR order parameters and protein dynamics.
J Am Chem Soc. 2003 Sep 17;125(37):11158-9
Authors: Massi F, Palmer AG
The helical subdomain, HP36, of the F-actin-binding headpiece domain of chicken villin, is the smallest naturally occurring polypeptide that folds to a thermostable compact structure. Unconstrained molecular dynamics simulations and constrained molecular dynamics simulations using umbrella sampling are used to study the...
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11-24-2010 09:16 PM
[NMR paper] Time dependence of aggregation in crystallizing lysozyme solutions probed using NMR s
Time dependence of aggregation in crystallizing lysozyme solutions probed using NMR self-diffusion measurements.
Related Articles Time dependence of aggregation in crystallizing lysozyme solutions probed using NMR self-diffusion measurements.
Biophys J. 2001 Mar;80(3):1585-90
Authors: Price WS, Tsuchiya F, Arata Y
The time dependence of aggregation in supersaturated lysozyme solutions was studied using pulsed-gradient spin-echo NMR diffusion measurements as a function of lysozyme concentration at pH 6.0 and 298 K in the presence of 0.5 M NaCl....
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11-19-2010 08:32 PM
Conformational dependence of 13C shielding and coupling constants for methionine
Abstract Methionine residues fulfill a broad range of roles in protein function related to conformational plasticity, ligand binding, and sensing/mediating the effects of oxidative stress. A high degree of internal mobility, intrinsic detection sensitivity of the methyl group, and low copy number have made methionine labeling a popular approach for NMR investigation of selectively labeled protein macromolecules. However, selective labeling approaches are subject to more limited information content. In order to optimize the information available from such studies, we have performed DFT...
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08-25-2010 03:51 PM
[NMR paper] pH dependence of the absorbance and 31P NMR spectra of O-acetylserine sulfhydrylase i
pH dependence of the absorbance and 31P NMR spectra of O-acetylserine sulfhydrylase in the absence and presence of O-acetyl-L-serine.
Related Articles pH dependence of the absorbance and 31P NMR spectra of O-acetylserine sulfhydrylase in the absence and presence of O-acetyl-L-serine.
Biochemistry. 1992 Mar 3;31(8):2298-303
Authors: Cook PF, Hara S, Nalabolu S, Schnackerz KD
O-Acetylserine sulfhydrylase (OASS) is a pyridoxal 5'-phosphate (PLP)-dependent enzyme which catalyzes the final step in the biosynthesis of L-cysteine in Salmonella, viz.,...
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08-21-2010 11:41 PM
Chemical shifts in carbon atoms 13C?
This is a bit confusing for me, so i would like help with understanding this:Explain the order of the chemical shifts of the carbon atoms in the 13C spectra of cyclohexanone and adipic acid.if ur not sure about cyclohexanone and adipic acid, at least explain to me what the "order of chemical shifts in the carbon atoms in 13C" meansThanx!
Unraveling the 13C NMR Chemical Shiftsin Single-Walled Carbon Nanotubes: Dependence on Diameter and ElectronicStructure
Linear Mode
