Macromolecular CIF Dictionary

The macromolecular CIF dictionary (mmCIF) is a set of data names designed to describe the macromolecular crystallographic experiment and its results. It includes the complete set of data names available in the Core CIF dictionary, but in a somewhat different formalism.

Current official release

Version 2.0.09 of 27 June 2005
- HTML version
- Formatted pdf version [Chapter 4.5 of International Tables for Crystallography Volume G: Definition and exchange of crystallographic data, First edition (2005)]

Archival versions

Version 2.0.03 of 9 November 2000.
Version 1.0.00 of 14 October 1997.
- Differences between versions 2.0 and 1.0

Work in progress

Comprehensive information on the mmCIF dictionary project, including background and reference materials and software tools is maintained at

the mmCIF Resources page of the Protein Data Bank

Updated 21 July 2005

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