ADL: Attempting to create flexible portion of receptor for Autodock 4.2 and Autodock Vina
edmundmarinelli at gmail.com
Thu Sep 10 19:58:09 PDT 2020
I'm using Autodock Tools 1.57. I prepared the receptor as appropriate and
was able to write the PDBQT file using the File ....Save.....Write PDBQT.
It seemed to work fine , giving the message that the Autodock atom types
were added. Then I wanted to create the flexible pdbqt file. Note that
you have to create the flexible pdbqt file before the rigid. If you try to
create the rigid pdbqt file first the program returns the message that the
flexible pdbqt files must be prepared first.
OK: After writing the pbdqt for the receptor I did the following: Flexible
residues --> Input --> Choose macromolecule. I chose the macromolecule.
Then in the dashboard I selected one residue as a test. In the viewing
pane the residue was highlighted. With the residue highlighted I did the
following: Flexible Resides --> Choose torsions in currently selected
residues. The program immediately closed with no error message given. I
don't know if my procedure is incorrect. Has anyone else tried flexible
docking using Autodock Tools version 1.57?
Is there another way to do this ? I would like to perform docking with
flexible sidechains in the pocket residues of the receptor. Has anyone
been able to do this in Autodock 4.2 or in Autodock 4, or with Autodock
Vina or with an earlier version of Autodock tools?
Is there any worked example or tutorial out there? Any help would be
If the syntax of a sample flexible.pdbqt file exists perhaps I would be
able to use it to construct my own file , hence avoiding the problems of
generating it from within Autodock tools , as there seems to be a
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