[Chimera-users] on calculating theoretical SAXS scattering profile and fitting to data

Alex Shkumatov shkumatau at embl-hamburg.de
Tue Oct 19 02:18:14 PDT 2010

Hi Tom
I think I found the problem: units in my data are reverse nm, whereas
by default angstroms are taken. It would be nice to have "choose units" in

>   Not sure why your test of the Chimera SAXS profile calculation did  
> not work well for lyzosome.  I've attached two images using Chimera  
> daily build 31662 (Oct 17) where it worked fine for lyzosome with  
> the experimental profile I have.  Maybe the minimum q = 0.2 is  
> related to your experimental profile not having small q values?  YZ  
> in our lab works on the Chimera SAXS tool and could give a better  
> answer.
>     Tom
Alexander Shkumatov, predoc -- Biological Small Angle Scattering Group
EMBL Hamburg Outstation c/o DESY -- Building 25A
Notkestraße 85 -- 22603 Hamburg -- Germany

tel:    +49 40 89902 178    fax:    +49 40 89902 149
Email: shkumatau at embl-hamburg.de

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