I used Coot:findwaters facility in REFMAC (CCP4 6.1.1) to add waters to the refined structure. Often for the well ordered water sites the routine added two water molecules in single water site, with their distance (~1 Angs) way shorter than allowed hydrogen bonding distance. I have to remove the extra water molecules manually.

Is this a intended feature? It seems to only create extra work to the user. What is the purpose of having different chain IDs for waters output from this routine?


Huiying Li, Ph. D
Department of Molecular Biology and Biochemistry
Natural Sciences I, Rm 2443
University of California at Irvine
Irvine, CA 92697, USA
Tel: 949-824-4322(or -1953);  Fax: 949-824-3280
email: [email protected]

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