Anyone have a peak-picking routine for maps made by XPLOR?

Ethan A Merritt merritt at
Mon Mar 8 18:13:58 EST 1993

	Does anyone have suggestions, or better yet an actual piece of
code, for picking electron density peaks from a map file produced by
Axel Brunger's program XPLOR?  Right now I'm going through the somewhat
round-about procedure of producing a file of Fo + Fc in XPLOR, pulling
that into the CCP4 package for map calculation and peak searching, and
then taking the resulting peaks back to XPLOR for geometric analysis.
This works well enough, but it's all rather cumbersome compared to 
simply invoking a peak-pick routine directly on the XPLOR map.


					Ethan A Merritt
Dept of Biological Structure                H510 Health Sciences
University of Washington SM-20              (206)543-1421
Seattle, WA 98195                           merritt at

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