DEFit is a Double Electron-Electron Resonance (DEER) data analysis program which assumes models of overlapping Gaussian shaped distance distributions between spins. DEFit utilizes Monte Carlo/SIMPLEX curve fitting to actual data, not to Fourier transform. The program is written in Matlab and is provided as source code.
-Matlab v7.0.1 or higher with optimization toolbox.
-Download latest version below
-Extract to any folder
-Navigate to the folder where you extracted DEFit
Sen KI, Logan TM, and Fajer PG (2007) Biochemistry 46, 11639-11649.