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Welcome to the relax Wiki.
The community-run support site for relax, a program for the study of molecular dynamics using experimental NMR data.

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News & Updates
Version 5 of relax.	The latest relax release now supports the new versions of wxPython (Phoenix), giving relax a more modern GUI.
Migration to SourceForge	After the Gna! shutdown at the start of 2017, relax has finally in 2019 been fully migrated to the SourceForge infrastructure.
Gna! is permanently shut down!	A migration to another open source infrastructure is planned. This will include web hosting for http://www.nmr-relax.com, source code repositories, bug and other trackers, new reports, download pages, and possible a svn to git conversion.
Tutorial added	Tutorial for sorting data stored as numpy to on-resonance R1rho analysis
Version 4 of relax	With the latest relax release merging in years of developments in the frame order analysis, the major number has been incremented to relax 4.
Tutorial added	Tutorial for manual regarding the relaxation dispersion auto-analysis in the GUI
Tutorial added	Tutorial for R1/R2 Relaxation curve-fitting analysis on varian recorded as fid interleaved
Matplotlib example added	Matplotlib example
Tutorial added	Relaxation dispersion analysis R1_rho recorded on varian
Tutorial added	Relaxation dispersion analysis cpmg fixed time recorded on varian as fid interleaved
Tutorial added	Adding relaxation dispersion models to relax
wiki namespace changed	The wiki is now placed at: http://wiki.nmr-relax.com as of 19 of July 2013
GPL License	The License has been changed to GPL v3.
New Wiki	This is the new wiki

Did you know...
%PAGE% The 3-site exchange relaxation dispersion model for the numeric solution (NS) to the Bloch-McConnell equations for R1rho-type data, linearised with k_AC = k_CA = 0. This model is labelled as NS R1rho 3-site linear in relax. Parameters The NS R1rho 3-site linear model has the parameters {R_1ρ', ..., p_A, p_B, Δω_AB, Δω_BC, k_ex^AB, k_ex^BC}. Reference The references for the NS R1rho 3-site linear model are: Korzhnev, D. M., Orekhov, V. Y., and Kay, L. E. (2005). 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. (DOI: 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. (DOI: 10.1021/cr0404287) Links The implementation of the NS R1rho 3-site linear model in relax can be seen in the: relax manual, ..→

Random screenshots
relax starting interface The analysis selection wizard Steady-state NOE analysis R1 analysis R2 analysis Model-free analysis The relax controller Spin viewer window Results viewer window Pipe editor window relax prompt window About GUI screen About relax screen