[Ifeffit] (no subject)

Michael Jacob michaelj401 at gmail.com
Wed Mar 11 08:40:31 CDT 2009


Hi all,

I measured Fe(II) edge EXAFS data for my protein that has two iron sites
(Fe-Fe distance ~5A). My question is how to fit the model with the data? Can
I discard the contribution of multiple scattering effects to the fitting?
One most important information that I want to obtain is on the Fe-Fe
distance. Is it enough to conclude from the raw data FT that the Fe-Fe
 distance
in my protein sample has been changed in comparison to the Fe-Fe distance in
the model (created with Feff using the crystal structure coordinates)? I try
fitting using arthemis but got bad and weird results. is there any manual or
step-by step guide that I can learn how to fit model of two metal sites to
my data?

Anther question that I have how can I get to the past discussions in the
forum- is there any database for questions and answers that I can learn on
the analysis of EXAFS data?

Any help will be appreciated,

MJacob
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