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Phenix: Difference between revisions
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PHENIX (Python-based Hierarchical ENvironment for Integrated Xtallography) is a software suite for the automated determination and refinement of macromolecular structures using X-ray crystallography and other methods. It integrates well with CCP4-formatted files for I/O, is highly automated, and | PHENIX (Python-based Hierarchical ENvironment for Integrated Xtallography) is a software suite for the automated determination and refinement of macromolecular structures using X-ray crystallography and other methods. It integrates well with CCP4-formatted files for I/O, is highly automated, and straightforward to use. | ||
The suite ([http://www.phenix-online.org/ Phenix home page]; [http://www.phenix-online.org/documentation documentation]) has a GUI program (phenix) which can be used to run the programs, but they also work from the command line. | The suite ([http://www.phenix-online.org/ Phenix home page]; [http://www.phenix-online.org/documentation documentation]) has a GUI program (phenix) which can be used to run the programs, but they also work from the command line. | ||
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A short help, such as usage and options, is printed out by all PHENIX command line tools: just type phenix.TOOLNAME and hit Enter (or Return). Note that you can get a complete list of jiffies with | A short help, such as usage and options, is printed out by all PHENIX command line tools: just type phenix.TOOLNAME and hit Enter (or Return). Note that you can get a complete list of jiffies with | ||
phenix.list | phenix.list | ||
The documentation below focuses on the non-GUI commandline tools and may not be complete, nor up-to-date or even correct. | The documentation below focuses on the non-GUI commandline tools and may not be complete, nor up-to-date or even correct. | ||
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=== [http://www.phenix-online.org/documentation/reference/phaser_ep.html phenix.phaser] - SAD phasing with Phaser === | === [http://www.phenix-online.org/documentation/reference/phaser_ep.html phenix.phaser] - SAD phasing with Phaser === | ||
[http://www.phaser.cimr.cam.ac.uk/index.php/Phaser_Crystallographic_Software Phaser] can do SAD phasing - it is therefore called phaser_ep (ep stands for "experimental phasing"). The Phenix documentation is at [http://www.phenix-online.org/documentation/reference/phaser_ep. | [http://www.phaser.cimr.cam.ac.uk/index.php/Phaser_Crystallographic_Software Phaser] can do SAD phasing - it is therefore called phaser_ep (ep stands for "experimental phasing"). The Phenix documentation is at [http://www.phenix-online.org/documentation/reference/phaser_ep.html]. The keywords are concisely (but somewhat lightly) documented at [http://www.phaser.cimr.cam.ac.uk/index.php/Keywords]. A script documenting the following features | ||
# using a PDB file (with origin-centered coordinates) as a heavy atom cluster template | # using a PDB file (with origin-centered coordinates) as a heavy atom cluster template | ||
# using two different substructure atomtypes (the cluster, and Fe) | # using two different substructure atomtypes (the cluster, and Fe) | ||
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=== [http://www.phenix-online.org/documentation/reference/ligandfit.html phenix.ligandfit] - "wizard" carrying out fitting of flexible ligands to electron density maps === | === [http://www.phenix-online.org/documentation/reference/ligandfit.html phenix.ligandfit] - "wizard" carrying out fitting of flexible ligands to electron density maps === | ||
=== [http://www.phenix-online.org/documentation/reference/ | === [http://www.phenix-online.org/documentation/reference/find_helices_strands.html phenix.find_helices_strands] - rapid helix/strand fitting to a map === | ||
=== phenix.fit_loops - fill short gaps using a loop library, and longer gaps (up to 15 residues) iteratively === | === phenix.fit_loops - fill short gaps using a loop library, and longer gaps (up to 15 residues) iteratively === | ||
=== [http://www.phenix-online.org/documentation/reference/assign_sequence.html phenix.assign_sequence] - sequence assignment and linkage of neighboring segments === | === [http://www.phenix-online.org/documentation/reference/assign_sequence.html phenix.assign_sequence] - sequence assignment and linkage of neighboring segments === | ||