Re: [ccp4bb] B-factors in Shelxl

2007-03-16 Thread Arti S. Pandey
Hey Elizabeth, To answer your second question first, I think if the atom name for water is "W", it is read as a density peak by shelxl. If you change "W" to "O", it will read it as water and refine it. I have some idea about your question about the B-factor. Arg and Met can often be seen in alterna

[ccp4bb] B-factors in Shelxl

2007-03-14 Thread Sabini, Elisabetta
Dear all, I am refining a perfectly twinned structure at 1.8 A using Shelxl.Currently the Rfactors/Rfree are 20/28%. I have a problem with the B-values that I get after refinement. Within the same residue I may get very low numbers or very high numbers as I show below: ATOM415 N ARG 1091