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The Phenix software for automated determination of macromolecular structures
Paul D Adams1, Pavel V Afonine, Gábor Bunkóczi
1Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA. PDAdams@lbl.gov
Methods (San Diego, Calif.)
|August 9, 2011
Summary
Phenix software automates macromolecular crystallography, reducing manual effort in determining biological structures. This accelerates the development of new therapeutics for human diseases by streamlining data analysis and structure solution.
Area of Science:
- Structural biology
- Biophysics
- Biochemistry
Background:
- X-ray crystallography is essential for understanding biological systems and developing therapeutics.
- Manual interpretation of complex data in macromolecular crystallography is time-consuming and labor-intensive.
Purpose of the Study:
- To introduce the Phenix software package for automated macromolecular crystallographic structure solution.
- To minimize subjective input and automate traditionally manual procedures in structural biology.
Main Methods:
- Development of new algorithms with expert-systems knowledge for automation.
- Creation of a computational framework for tight integration of algorithms.
- Automation of experimental phasing, model building, molecular replacement, structure refinement, and validation.
Main Results:
- Phenix provides a comprehensive system for macromolecular structure solution with an emphasis on automation.
- Automated methods are particularly suitable for high-throughput structural proteomics.
- Examples demonstrate running Phenix via command line and graphical user interface.
Conclusions:
- Phenix software significantly reduces the time and effort required for macromolecular structure determination and optimization.
- Automation through Phenix enhances efficiency and accessibility in structural biology research.
- The software facilitates the development of novel therapeutics by accelerating structural analysis.

