January 2008 issue
Proceedings of the CCP4 study weekend
Cover illustration: Using an EM map as a model for molecular replacement. Left: an EM map of yeast fatty acid synthase (FAS) at 24 Å resolution. Right: an X-ray crystal structure of FAS determined at 4 Å resolution. Bottom: a schematic representation of the lipid bilayer whose major component is the fatty acid synthesized by FAS (p. 76).