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News & Updates
Python 3 New Python 3 compatibility guide for scripts and plugins
Official Release PyMOL v2.3 has been released on February 11, 2019.
POSF New PyMOL fellows announced for 2018-2019
Tutorial Plugins Tutorial updated for PyQt5
New Plugin ProBiS H2O is a new plugin for identification of conserved waters in protein structures.
Selection keywords New polymer.protein and polymer.nucleic selection keywords. Thanks everyone who participated in the poll!
Plugin Update MOLE 2.5 is an updated version of channel analysis software in PyMOL
New Script dssr_block is a wrapper for DSSR (3dna) and creates block-shaped nucleic acid cartoons
Older News See Older News.
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Included in psico
This command or function is available from psico, which is a PyMOL extension.

Module psico.helping


"apropos" searches through the documentation of all currently defined commands and lists those commands for which the keyword is either contained in the documentation or matches the command name itself.

If an appropriate DESCRIPTION section is provided in the documentation of the command, the first 80 characters are listed as a summary.


1. copy the script bellow to a folder and name it

2. run it from within pymol with the run command:


3. see example bellow on how to use it


apropos [keyword or regexp]


apropos fit

###EXACT MATCH FOR: fit ==> try 'help fit' at the prompt.

###The following commands are NOT documented.


###The following commands are documented.  'help command' 

          fit : "fit" superimposes the model in the first selection on to the model
    intra_fit : 
A Random PyMOL-generated Cover. See Covers.