[phenixbb] B-factors vs resolution
Pavel Afonine
pafonine at lbl.gov
Wed Apr 6 00:02:16 PDT 2011
Hi Yuri,
> I am refining a 1.3 A structure the maps look great and I notice the
> main chain B factors are all around 7~12.
> I have refined the same enzyme at resolution 2.2 A and the B factors
> here were around 25~30.
It looks all good to me.. For some statistics see page #27 here:
http://www.phenix-online.org/presentations/latest/pavel_validation.pdf
> Usually one will describe ordered parts of a protein vs disordered
> parts based on B factors.
... or occupancies (if refined or modeled alternative conformations).
> Is the higher resolution protein more ordered ...
Well, I guess most of the time yes.
> Or are the B factors values artifacts of refinement?
Not sure I understood this one... sorry.
Good luck!
Pavel.
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