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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 fellows announced for 2018-2019 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... Ignore case The ignore_case setting (default: on, except in PyMOL 1.8.0.0 - 1.8.0.4) controls whether PyMOL does case sensitive matching of atomic identifiers and selection operators in the selection language. Most notably, it affects whether chain identifiers are matched case sensitive, which becomes relevant when using upper and lower case chain identifiers in a structure with more than 26 chains. The default value was changed to off in PyMOL 1.8.0.0. However, due to undesired side effects, the on default was restored in 1.8.0.5. The next PyMOL version (expect 1.8.2) will introduce a new ignore_case_chain setting to address the issue of mixed case chain identifiers. See also: https://sourceforge.net/p/pymol/mailman/message/34815599/ Example Load 1a00 which has chains A, B, C, D PyMOL>fetch 1a00, async=0 1) case insensitive selection language (default for PyMOL <= 1.7.6 and >= 1.8.0.5) PyMOL>set ignore_case ..→

A Random PyMOL-generated Cover. See Covers.