CCP4 file formats

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All CCP4 formats are architecture portable. The atomic model formats are ASCII text. The reflection and map/mask formats are binary with architecture information which allows them to be freely exchanged between architectures.

[edit] Reflection data formats

[edit] Atomic coordinate model formats

  • PDB format
  • mmCIF format.
  • HA heavy atom substructure format.

[edit] Map/mask format

The CCP4 map format can represent both maps and masks covering either the unit cell, assymetric unit, or an arbitrary region.

  • CCP4 map format.