By Vinzenz Unger and Anchi Cheng
Headers of the MRC programs, but in the 2DX modified version. Please use these as *rough* guidelines, but check in the actual programs for the current state of your local copy.
These documents are taken from the original documentation of the MRC package, as in December 2005.
This information is copied from http://ami.scripps.edu/prtl_data/mrc_specification.htm
Symmetry definitions used in MRC and 2dx
This was an email from Richard Henderson, sent on June 12, 2000 to Henning Stahlberg.
Guidelines to the original MRC programs