Macromolecular CIF dictionaryThe 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)]
- Search for a data name.
- Version 2.0.03 of 9 November 2000.
- Version 1.0.00 of 14 October 1997.
Work in progress
Comprehensive information on the mmCIF dictionary project, including background and reference materials and software tools is maintained at
Updated 21 July 2005