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Official Release PyMOL v1.8.4 has been released on October 4, 2016.
New Script dssr_block is a wrapper for DSSR (3dna) and creates block-shaped nucleic acid cartoons
New Plugin LiSiCA is a new plugin for 2D and 3D ligand based virtual screening using a fast maximum clique algorithm.
Official Release PyMOL v1.8.0 has been released on Nov 18, 2015.
PyMOL Open-Source Fellowship Schrödinger is now accepting applications for the PyMOL Open-Source Fellowship program! Details on
Official Release PyMOL, AxPyMOL, and JyMOL v1.7.6 have all been released on May 4, 2015.
New Plugin PyANM is a new plugin for easier Anisotropic Network Model (ANM) building and visualising in PyMOL.
New Plugin Bondpack is a collection of PyMOL plugins for easy visualization of atomic bonds.
New Plugin MOLE 2.0 is a new plugin for rapid analysis of biomacromolecular channels in PyMOL.
3D using Geforce PyMOL can now be visualized in 3D using Nvidia GeForce video cards (series 400+) with 120Hz monitors and Nvidia 3D Vision, this was previously only possible with Quadro video cards.
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Type Python Module
Author(s) Shivender Shandilya, Jason Vertrees, Thomas Holder
License BSD-2-Clause
This code has been put under version control in the project Pymol-script-repo


This script allows you to color two structures by Root Mean Square Deviation (RMSD). The distances between aligned C-alpha atom pairs are stored as B-factors of these residues, which are colored by a color spectrum, with blue specifying the minimum pairwise RMSD and red indicating the maximum. Unaligned residues are colored gray.


colorbyrmsd mobile, target [, doAlign [, doPretty [, guide [, method ]]]]


  • mobile = string: atom selection for mobile atoms
  • target = string: atom selection for target atoms
  • doAlign = 0 or 1: Superpose selections before calculating distances {default: 1}
  • doPretty = 0 or 1: Show nice representation and colors {default: 1}
  • guide = 0 or 1: Only use C-alpha atoms {default: 1}
  • method = align or ..→
A Random PyMOL-generated Cover. See Covers.