MRC (file format)

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Not to be confused with mixed raster content.
Filename extension .mrc
Type of format 3D electron density file or 2D image file

MRC is a file format for electron density that has become industry standard in Cryo-electron microscopy and electron tomography (ET), where the result of the technique is a three-dimensional grid of voxels each with a value corresponding to density of electrons (see wave function). It was developed by the MRC (Medical Research Council, UK) Laboratory of Molecular Biology.[1]

The MRC format is supported by almost every molecular graphics suite that supports volumetric data. The major packages include:

See also[edit]


  1. ^ R. A. Crowther; R. Henderson; J. M. Smith (1995). "MRC Image Processing Programs" (PDF). Journal of Structural Biology. 116 (9-16): 9–16. doi:10.1006/jsbi.1996.0003. Retrieved 2012-03-09. 

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