NS R1rho 3-site

Intro

The 3-site exchange relaxation dispersion model for the numeric solution (NS) to the Bloch-McConnell equations for R1rho-type data. This model is labelled as NS R1rho 3-site in relax.

Parameters

The NS R1rho 3-site model has the parameters {$R_{1\rho}'$, $...$, $p_A$, $p_B$, $\Delta\omega_{AB}$, $\Delta\omega_{BC}$, $k_{ex}^{AB}$, $k_{ex}^{BC}$, $k_{ex}^{AC}$}.

Reference

The references for the NS R1rho 3-site model are:

• Korzhnev, D. M., Orekhov, V. Y., and Kay, L. E. (2005b). Off-resonance R(1rho) NMR studies of exchange dynamics in proteins with low spin-lock fields: an application to a Fyn SH3 domain. J. Am. Chem. Soc., 127(2), 713-721. (10.1021/ja0446855).
• Palmer, 3rd, A. G. and Massi, F. (2006). Characterization of the dynamics of biomacromolecules using rotating-frame spin relaxation NMR spectroscopy. Chem. Rev., 106(5), 1700-1719. (10.1021/cr0404287).

Links

The implementation of the NS R1rho 3-site model in relax can be seen in the:

• relax manual,
• API documentation,
• relaxation dispersion page of the relax website.