Python-based Hierarchical ENvironment for Integrated Xtallography

Academic users can obtain a password for downloading Phenix via email. For industrial users, a separate password is required (more information).

Latest official release: 1.21-5207 (2024-01-10)

Phenix development release with contributions from University of Cambridge, Duke University, LANL, LBNL; includes the Phenix GUI.

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Nightly builds and Prereleases

PHENIX installers are built nightly for all platforms. These use the most current source code available; recommended for users wanting the latest features and bug fixes. If you experience any problems using these builds, please contact us at [email protected].

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External programs

The PHENIX graphical interface includes extensions for Coot and PyMOL. Information on obtaining these is here.


Obsolete PHENIX releases

You may download older versions of PHENIX here. These are provided for backwards compatibility and historical purposes only, and are completely unsupported. We strongly recommend using the latest official release (or a nightly build) if possible.


Questions/comments to [email protected]