[phenixbb] maps for PDB without SF's

Pavel Afonine pafonine at lbl.gov
Fri Aug 15 13:09:51 PDT 2014

Hello PC,

what you get is not the electron density map but its Fourier image of 
finite resolution. This is where the noise comes from. So... I'm puzzled 
what surprises you (or what is your question)?


On 8/15/14, 12:59 PM, PC wrote:
> Hi,
> I wanted to generate a map using calculate f(model) with fake P1 symmetry.
> The output is very noisy (blurred) when I open it in COOT.
> (NO there are no structure factors for this PDB entry).
> Thanks.
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