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.
