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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.

Did you know...
CollapseSel = Overview = CollapseSel is a small utility function to compress strings for selections. So, if you have a selection with residues 1+2+3+4+20+21+22+100-120 this will return, 1-4+20-22+100-120. CollapseIDs is a small utility function to compress strings for an array of IDs. This does NOT have the logic for detecting duplicates, CollapseSel does. Example run /dir/to/collapseSel.py fetch 1cll select EE, resn GLU print collapseSel("EE") # # and PyMOL should output: # # 6-7+11+14+31+45+47+54+67+82-84+87+104+114+119-120+123+127+139-140 # The Code <source lang="python"> import pymol from pymol import stored def collapseIDs(ids): """ Helper function to make a smart list of IDs: eg turns 1+2+3+4+5 into 1-5. """ rVal = [] if len(ids)==0: return "" scanning=False anchor = 0 start = 0 # 1-5 7-10 12 21-23 for cur in range(0,len(ids)-1): if ids[cur]+1 == ids[cur+1]: if scanning: scanning=True continue else: scanning=True start = cur else: if ..→

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Example