On 24/01/2017 17:32, Paul Emsley wrote:
> On 24/01/2017 17:19, Uma Gabale wrote:
>
>> While refining a structure at 2.5 A resolution, we observed a semi-circular/crescent shaped
>> electron density blob as shown in the attached picture. We have been unable to identify it
>> so far, and would appreciate any help in identification.
>
> If you have Coot:
>
> Extensions->Modelling->Add Other Solvent Molecules->Add New Residue Type->"PG4"->Add
> then click "PG4 Tetraethylene Glycol"
Delete the water first, obviously.
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