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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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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: 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...


The Root Mean Squared Deviation (RMSD) of the baseplane noise in a spectrum.

Software to use

SPARKY. In the extension menu.

In F1 mode, draw boxes in the empty regions for all spectra. You have a different error estimate for each spectrum, which relax handles.

It is a good idea to use the Sparky rm function to get the RMSD of the spectrum as a maximal noise estimate in several areas free of peaks.
If there are peaks which may be in noisier regions (eg near the water line) it can be a good idea to give those peaks separate errors by measuring the RMSD near those peaks seperately.


For a region

Whole spectrum ..→

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