Comparison of the fitting results of FoXS and Crysol

Calculation of SAXS and SANS profiles (CRYSOL, CRYSON), superposition of models (SUPCOMB, DAMAVER, DAMCLUST), database DARA
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change
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Comparison of the fitting results of FoXS and Crysol

#1 Post by change » 2018.09.28 09:31

hi all,
I want to do the model validation with Crysol. The model was built by the modeller according to the damfit pdb, and the model has many random coils.When I compared the model to the SAXS data: the crysol Chi^2 is 23.147 and the fitting is bad, but the Chi value is 0.42 with FoXS. I have attached the results below.
Does someone know what happened ?

Yikan
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wt_ref_20_0_0_sB_30_060118.png
wt_ref_20_0_0_sB_30_060118.png (6.67 KiB) Viewed 58 times
屏幕快照 2018-09-28 下午3.29.57.png
屏幕快照 2018-09-28 下午3.29.57.png (117.84 KiB) Viewed 58 times

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