Dear Oliviero, On one aspect of your query, this analysis dissected the different sources of disorder contributions to B factors:- Diamond, R Acta Cryst (1990). *A46*, 425-435 All best wishes, John
On Thu, Apr 5, 2018 at 2:49 PM, Oliviero Carugo < oliviero.car...@univie.ac.at> wrote: > Dears, > > everybody knows that B-factors may change amongst different crystal > structures and that they need to be standardized when different protein > crystal structures are compared. > > If I am not wrong, I remember that someone proposed to standardize > B-factors of protein atoms as “BS = B - Bave”, where Bave is the average > B-factor of the protein. Such standardization is based on the hypothesis > that independent sources of disorder add in determining the final B-factor. > BS should represent atomic B-factors depurated by all factors different > from atom oscillation, since Bave differences are neutralized. > > Does anyone can help me in finding a publication (80s or 90s) where these > BS values are used? > > Thanks! > > Oliviero > -- Professor John R Helliwell DSc
