MCE is experimental program for 3D and 2D electron density map visualization. The software is mainly focused on visualization of ELD calculated from X-ray diffraction data of small molecules, but it will work for small proteins as well. It was tested under Windows 95, 98, NT 4, Win 2000 and Win XP.

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MCE 2005 is able to read the result of Oxford CRYSTALS package slant fourier map and voids map calculation. After correct installation , you will be able to directly launch MCE 2005 by the help of "Run MCE" from the CRYSTALS Fourier map and Voids map menu.
How to integrate MCE into CRYSTALS.

The WinGX program is necessary for using the MCE with SHELXS. WinGX will prepare the correct ASCII input for MCE from the Maps->FOURIER MAP menu. You must download WinGX 1.62 beta version or higher. Proper export into a MCE compatible file (file with the .fou extension) could be achieved by checking the "Write MarchingCubes File" option on the Fourier map export panel. The result could be than opened by all MCE version

The latest version of MCE (MCE 2005) supports input from GSAS .GRD and GSAS .EXP (.fob, .del, .fcl, .pts, .2fd) files. See GSAS manual for details.

The latest version of MCE (MCE 2005) supports input from XD *.GRD files.

The latest version of MCE (MCE 2005) supports input from JANA 2006 *.GRD files. See JANA manual for details.

The latest version of MCE (MCE 2005 2.2.2) supports input from Oscail.

MCE 2005 also supports general input voxel file format - *.3d (MCE version 3.2.0 and higher).