PHENIX programs in Scipion. Warning: Install PHENIX v. 1-13-2998 or 1-16-3549
Project description
Phenix scipion plugin
This plugin allows to use programs from the PHENIX software suite within the Scipion framework. Current programs implemented:
emringer
real space refine
molprobity
superpose pdbs
validation cryoem
Install this plugin
You will need to use 2.0.0 version of Scipion to run these protocols. To install the plugin, you have two options:
Stable version
scipion installp -p scipion-em-phenix
OR
through the plugin manager GUI by launching Scipion and following Configuration >> Plugins
Developer’s version
Download repository:
git clone https://github.com/scipion-em/scipion-em-phenix.git
Install:
scipion installp -p path_to_scipion-em-phenix --devel
Binary files
PHENIX binaries will NOT be installed automatically with the plugin. The independent installation of PHENIX software suite by the user is required before running the programs. Default installation path assumed is /usr/local/phenix-1.13-2998; this path or any other of your preference has to be set in PHENIX_HOME in scipion.conf file. We recommend to install PHENIX version 1.13-2998.
the plug-in also requires imagemagick package: sudo apt-get install imagemagick
Tests
Tested with PHENIX version: 1.13-2998.
To check the installation, simply run the following Scipion tests:
scipion test phenix.tests.test_protocol_emringer
scipion test phenix.tests.test_protocol_real_space_refine
scipion test phenix.tests.test_protocol_molprobity
scipion test phenix.tests.test_protocol_superpose_pdbs
scipion test phenix.tests.test_protocol_validation_cryoem
Supported versions of PHENIX
- Tested with Phenix-1.13-2998
and Phenix-1.16-3549
Protocols
emringer: Validates the agreement between the initial map and the derived low-resolution atomic structure. This program samples the density around Chi1 angles of protein sidechains. Electronic density and appropriate rotameric angles must coincide for each residue if the atomic structure backbone has been perfectly fitted to the map.
molprobity: Validates the geometry of an atomic structure inferred from an electron density map.
real_space_refine: Designed for extensive real-space refinement of an atomic structure against the map provided. The map can be derived from X-ray or neutron crystallography, or cryoEM. The program obtains a model that fits the map as well as possible having appropriate geometry. The model should not show validation outliers, such as Ramachandran plot or rotamer outliers.
superpose_pdbs: Superposes two atomic structures so that they optimally match.
validation_cryoem: generalization of molprobity implemented by Phenix package.
Examples
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