Changes

= Intro =The Ishima and Torchia 1999 2-site exchange on all times scales with the constraint that $p_A \gg p_B$ {{:pA}} ≫ {{:pB}} for [[SQ CPMG-type data]]. This model is labelled as '''IT99''' in [[Relaxation dispersion citation for relax|relax]].

The IT99 model has the parameters {$R_2^0${{:R2zero}}, $...$, $p_A${{:pA}}, $\Delta\omega${{:Deltaomega}}, $\tau_\textrm{ex{:tex}}$}.

* Ishima, R. and Torchia, D. (1999). Estimating the time scale of chemical exchange of proteins from measurements of transverse relaxation rates in solution. ''J. Biomol. NMR'', '''14'''(4), 369-372. ([http{{#lst://dx.doi.org/10.1023/A:1008324025406 10.1023/A:1008324025406]).Citations|IshimaTorchia99}}