Hi Hao,

As a long-time file format geek.  I feel the need to jump into this one.

1. mol2
I'm not a fan of using mol2.  AFAIK, there is no definitive documentation
for the atom typing rules or the aromaticity model.

2.  sdf
The RDKit has had a facility for storing atom properties in an SDF since
2019.03.1.  This is documented in the "Atom Properties and SDF files"
section in the RDKit Book.  If I remember correctly, OEChem adopted the
same scheme.

3. pqr
I don't have much experience with this one, but it appears to be derived
from the pdb format.  As with #4, I don't think the pdb format is
appropriate for small molecules.

4. pdbqt
No, just no.  I really wish the Autodock developers would get rid of pdbqt
once and for all.  Why would anyone use a small molecule file format that
throws away bond order information?

Ok, rant complete, I feel better now.  These are my views, your mileage may
vary.

Pat

On Wed, Oct 27, 2021 at 4:18 PM Hao <shenha...@gmail.com> wrote:

> Hi!
>
> I was wondering if anyone has worked with file formats that keep track of
> partial charges that easily interface with rdkit / other programs. I did a
> little bit of searching and found several ways including 1. mol2 2. sdf
> storing partial charges as a list in the data field 3. pqr 4. pdbqt.
>
> Obviously there are pros and cons to all but I was wondering if there has
> been a system that has worked particularly well for you. The main things I
> am looking for in descending order of importance are 1. ease of storage 2.
> interfacing with rdkit (this could be through file conversions with other
> software) 3. visualization
>
> Thanks,
> Hao
> _______________________________________________
> Rdkit-discuss mailing list
> Rdkit-discuss@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/rdkit-discuss
>
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