We're not responsible for Autodock - you might want to contact them.

As far as small molecules getting large total charges, that's a bug - can you 
give us an example and file it at:
https://github.com/openbabel/openbabel/issues

Thanks and best regards,
-Geoff

> On Jun 14, 2018, at 8:44 AM, MichaelSmith <michaelsmith8...@gmail.com> wrote:
> 
> Hi,
> 
> According to the 2006 J Comput Chem paper describing Autodock 4, OpenBabel
> was used to add hydrogens and assign Gasteiger charges to the protein and
> ligands that were used as the training set to calibrate the force field. I
> just want to ask whether the -p option in OB was used to do this (where it
> allows the user to specify a pH so that it can attempt to calculate
> protonation states). There has been a bug discovered in this usage of
> OpenBabel where very large charges can get assigned to molecules. I have
> seen one example of a small molecule being assigned a total charge of -9,
> when it reality it contains a single ionizable group.Can someone please
> comment on whether this might have had an impact on the accuracy of
> Autodock's force field?
> 
> 
> Please help.
> 
> I didn't find the right solution from the Internet.
> 
> References:-
> http://mgl.scripps.edu/forum/viewtopic.php?f=9&t=1398
> 
> Thanks!
> 
> 
> 
> 
> 
> --
> Sent from: http://forums.openbabel.org/General-discussion-f3090658.html
> 
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