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News & Updates Official Release PyMOL v2.4 has been released on May 20, 2020. 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.

Did you know... Pse binary dump The pse_binary_dump setting affects the PyMOL session file format (.pse). If set to on, session export will be significantly faster and produce smaller files. New in PyMOL 1.8 Examples fetch 1ubq set pse_binary_dump, off save regular.pse set pse_binary_dump, on save binary.pse # compare file size print(os.path.getsize("regular.pse")) # prints 215482 print(os.path.getsize("binary.pse")) # prints 118557 Known Limitations Before 2.4: Atom Properties not supported See Also pse_export_version

A Random PyMOL-generated Cover. See Covers.