CCP4 (file format)
Electron density file format
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The CCP4 file format is file generated by the Collaborative Computational Project Number 4 in 1979. The file format for electron density has become industry standard in X-ray crystallography and Cryo-electron microscopy 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) The CCP4 format is supported by almost every molecular graphics suite that supports volumetric data. The major packages include:
| Filename extension | .ccp4 |
|---|---|
| Type of format | electron density file |
See also
- MTZ (file format)
- MRC (file format)
- EZD (file format)
- Chemical file format
- Voxel - one way of presenting 3D densities
External links
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