Hello Colin,

there may be a number of reasons and it is difficult to comment without looking at maps.

If using latest Phenix version (any one released in December 2014)

http://phenix-online.org/download/nightly_builds.cgi

does not help then please send me input data and model files and I will have a look (also please indicate water in question).

Pavel

On 12/25/14 9:33 AM, Colin Levy wrote:

Dear All,

when using FEM maps I notice that some solvent structure has clean (ish) 2Fo-Fc but not FEM density. Is this indicative of the water without FEM density being simply noise or is it more complicated than that?

Many thanks,

Colin

Manchester

Protein

Structure

Facility

Dr. Colin W. Levy

MIB G034

Tel. 0161 275 5090

Mob.07786 197 554
[email protected]
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