Hi, I use mapman to convert CNS or X-PLOR format to BRIX or DSN6 for reading in chimera (I also have trouble opening CNS/X-PLOR formats in chimera v1.2105). You can get mapman from the rave package: ftp://xray.bmc.uu.se/pub/gerard/rave/rave_linux.tar.gz I think he has versions for irix, osx, and alpha also. If you're on windows you might want to try CCP4's windows version (ftp://ftp.ccp4.ac.uk/ccp4/current/binaries/setup.exe). Supposedly this includes a program called xdlmapman which is a graphical version of mapman (see http://o-info.bioxray.dk/pipermail/o-info/2002-February/005634.html). Hope that helps, Sabuj Pattanayek C. Parry wrote:

Could anyone help with loading and displaying CNS or XPLOR electron density maps in Chimera. I have tried many times and also the dialog boxes in the user guide do not exactly correspond to the version (12/2004) of Chimera I have.

Thanks.

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