You can find one here on the Cambridge X-ray crystallography course website: http://www-structmed.cimr.cam.ac.uk/Course/Fitting/fittingtalk.html
On Fri, Dec 4, 2009 at 8:25 PM, Brad Bennett <bradbennet...@gmail.com>wrote: > Hi all- > I recall seeing a long time ago a figure which showed the progressive > improvement of electron density as one increases resolution, say from 6 to > 3.5 to 2A. I believe I've seen two versions- one a larger scale pic showing > the ability to model side chains of alpha helices at higher resolutions and > the other a simpler graphic of a tyrosine aromatic ring showing the electron > density hole in the middle of the ring once near atomic resolution maps are > obtained. Does anyone have, in their teaching notes or a textbook or > presentation, a graphic which displays this? I need it for a talk this > weekend and Google searches have come up blank. If all else fails, I can > generate it myself...(lazy sigh) > > Thanks in advance- > Brad > -- Jim Fairman, Ph D. Post-Doctoral Fellow National Institutes of Health - NIDDK Cell: 1-865-748-8672 Lab: 1-301-594-9230 E-mail: fairman....@gmail.com james.fair...@nih.gov