Transferred cross-relaxation and cross-correlation in NMR. Effects of intermediate exchange on the determination of the conformation of bound ligands
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A comprehensive description is presented of the effects on two-spin coherences (i.e., superpositions of zero- and double-quantum coherences) of cross-correlation between the fluctuations of two different relaxation mechanisms in NMR (NMR). Dipole-dipole (D ...
The observation of nuclear Overhauser effects (NOEs) between bound water and biol. macromols. such as proteins and nucleic acids can be improved by inverting the water resonance selectively while compensating for radiation damping effects. The efficiency o ...
A method is described to det. long-range cross-correlations between the modulations of an anisotropic chem. shift (e.g., of a C' carbonyl carbon in a protein) and the fluctuations of a weak long-range dipolar interaction (e.g., in cross-correlation between ...
This paper investigates whether monetary and exchange rate policies are important for the success of major fiscal adjustments. We assess their role controlling for other determinants of success identified in the literature, including the size and compositi ...
We present an anal. of correlation and spectral d. functions involved in autorelaxation and cross-correlated relaxation in the magnetic resonance of macromols. Internal dynamics of the macromol. are described in terms of 2 distinct fluctuation processes wi ...
The angle Theta(C(alpha)H(alpha)),NH(N) subtended by the internuclear vectors 13C(alpha)-H(alpha) and 15N-H(N) in doubly-labeled proteins can be determined by observing the effect of cross-correlation between the dipolar interactions on zero- and double-qu ...
A method is presented to det. both F and y backbone angles in proteins simultaneously. This is achieved by measuring the effect on two-spin coherences of cross-correlation between 15N-1HN and 13Ca-1Ha vectors. The cross-correlation rates are obtained by co ...
We present an efficient exptl. method to evaluate whether the effective cross-relaxation rate between a pair of spins vanishes when applying an off-resonance spin-lock field. It is shown that the cross-relaxation rate can be made to vanish even when the tw ...
A new sequence is described to measure the cross-correlation rates between the chem. shift anisotropy of the carbonyl carbon-13 nucleus and the dipole-dipole interaction between this carbonyl and the alpha-proton in proteins. The sequence is based on the s ...
Since many biological processes occur on the μs to ms time scale, internal dynamics on that time scale may well be related to biological functionality. The characterization of internal dynamics is thus an important issue to improve our understanding of the ...
