Current version

NEW: Now running with python 3.


TRAPP is intended to aid the discovery of ligands that bind in transient subpockets in proteins. TRAPP is not designed to identify all of a protein’s binding pockets, but rather to trace changes in the spatial and physicochemical properties of a specified pocket in a protein that may arise due to the protein’s flexibility.

More information can be found on the TRAPP webserver page ( For information on how to cite TRAPP see


This software is released under the terms of the EUROPEAN UNION PUBLIC LICENCE v. 1.2.

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