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Official Release PyMOL v1.8.4 has been released on October 4, 2016.
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Type Python Module
Author(s) Jason Vertrees
License BSD-2-Clause
This code has been put under version control in the project Pymol-script-repo

The findSurfaceResidues script will select (and color if requested) surface residues and atoms on an object or selection. See the options below.

Each time, the script will create two new selections called, exposed_res_XYZ and exposed_atm_XYZ where XYZ is some random number. This is done so that no other selections/objects are overwritten.


findSurfaceResidues [ selection=all [, cutoff=2.5 [, doShow=0 ]]]


  • selection = str: The object or selection for which to find exposed residues {default: all}
  • cutoff = float: The cutoff in square Angstroms that defines exposed or not. Those atoms with > cutoff Ang^2 exposed will be considered exposed {default: 2.5 Ang^2}
  • doShow = 0/1: Change the visualization to highlight the exposed residues vs interior {default: 0}


<gallery> Image:FindExRes.png|thumb|right ..→

A Random PyMOL-generated Cover. See Covers.