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News & Updates Official Release PyMOL v2.5 has been released on May 10, 2021. Python 3 New Python 3 compatibility guide for scripts and plugins POSF New PyMOL fellowship announced for 2022-2023 Tutorial Plugins Tutorial updated for PyQt5 New Plugin PICv is a new plugin for clustering protein-protein interactions and visualization with available data from PDBe 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.

Did you know... Get chains This command will return a python list of chains for the given selection. Proteins structures often have more than one chain of residues present in a structure file. This command will fetch the names of each chain present. Because of the lack of standards, sometimes chain A will also be blank "". This isn't a problem for PyMOL, but be warned sometimes you may get back, [""]. Syntax # using get_chains for the object or selection called objSel get_chains objSel Examples # examples fetch 1cll print "1CLL has the following chains:", cmd.get_chains("1cll") # list all chains in all proteins loaded in PyMOL: for x in cmd.get_names(): for ch in cmd.get_chains(x): print x, " has chain ", ch See Also Get_Names

A Random PyMOL-generated Cover. See Covers.