I am again making an effort to render electron density maps (EDM) in Jmol, for 
protein crystallographic structures. If anyone else has done this, or has 
suggestions, please let me know!

Jmol's script document list XPLOR as an input file format, but not CCP4 map 
format. So I assume the best way to proceed is to get the .hkl XPLOR EDM file 
and load it into Jmol. I haven't gotten that far yet, but I'm working on it.

So far, it seems that the only EDM server I've found is at Uppsala 
(http://eds.bmc.uu.se) and it generates O, CCP4, CNS, and  EZD, none of which 
we think are .hkl XPLOR format. A crystallographer here says the XPLOR is an 
older, now less used format. Most people now use CCP4 .map format.

The CCP4 version 6.1.0 program suite appears to have a bug in the conversion to 
XPLOR .hkl format, which omits the phases. I am currently downloading 6.1.3 to 
see if that bug is fixed.

Thanks,
--
Eric Martz, Ph.D.
Professor Emeritus, Microbiology, University of Massachusetts, Amherst
http://martz.molviz.org





      

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