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A way to avoid biasing Rfree values is to choose the test set in thin
resolution shells whenever NCS is present. Currently, this precaution
is often ignored. It should become a de facto standard for publication
of structures containing NCS.
Hi all,
btw - it would be fantastic and certainly would encourage us to use it
more often if the assignment of free reflections in resolution shells
was incorporated in a ccp4 program. Yes, one can for instance go through
shelxpro, however if one wants to go back to ccp4 this route is a bit
painful.
Cheers
Jan
--
Jan Abendroth
University of Washington
Institute of Biochemistry
1959 NE Pacific Street, K-426
Box 357742
Seattle, WA-98195
phone: +1-206-616-4510
fax: +1-206-685-7002