Re: [PyMOL] save format for molecule files

2023-05-20 Thread Xavier Fradera
Thomas, Joel,

yes, writing to mol2 works. Thanks for the suggestion!

Xavier

Missatge de Thomas Holder  del dia dj., 18 de maig
2023 a les 5:38:

> Hi Xavier,
>
> The best option to transfer bond orders from PyMOL to Maestro might be
> with .mol2 (or .sdf) format. These formats can store aromatic bond
> orders and Maestro will convert that to meaningful double/single bonds
> when loading the file.
>
> - .pdb format can't store aromatic bonds (and double bonds only with
> an unofficial trick)
> - .mae format can't store aromatic bonds
> - Maestro doesn't have aromatic bond orders
> - PyMOL has limited capabilities for detecting bond orders and can't
> convert aromatic bonds to single/double bonds (kekulization)
> - .sdf format doesn't have protein and residue level information, but
> .mol2 does
>
> Cheers,
>   Thomas
>
> On Wed, May 17, 2023 at 4:51 PM Xavier Fradera 
> wrote:
> >
> > Hi,
> >
> > I'm trying to save some molecule files (protein+ligand complex) from
> pymol to a format that is readable by maestro. I've tried saving in .mae or
> .pdb format, but bond orders in ligands are lost (all bonds are single).
> I've played with the "PDB options" in the save command and managed to get
> double bonds right, but the aromatic ones are ignored.
> >
> > Does anyone know how to write files that can be read properly by maestro?
> >
> > Alternatively, is there a way to convert aromatic bonds into alternating
> single/double bonds, as I think this would be easier to output based on my
> tests?
> >
> > thanks,
> > Xavier
> >
> > --
> > Xavier Fradera
> > ___
> > PyMOL-users mailing list
> > Archives: http://www.mail-archive.com/pymol-users@lists.sourceforge.net
> > Unsubscribe:
> https://sourceforge.net/projects/pymol/lists/pymol-users/unsubscribe
>


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Re: [PyMOL] save format for molecule files

2023-05-18 Thread Joel Tyndall
Have you tried .mol2 files. I would expect Maestro to recognise that and it 
should include bond order etc

J


Joel Tyndall, PhD
Associate Professor in Medicinal Chemistry
National School of Pharmacy
University of Otago
PO Box 56 Dunedin 9054
New Zealand
http://www.researcherid.com/rid/C-2803-2008

Pukeka Matua
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Aotearoa

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From: Xavier Fradera 
Sent: Wednesday, May 17, 2023 11:54 PM
To: pymol-users@lists.sourceforge.net
Subject: [PyMOL] save format for molecule files

Hi,

I'm trying to save some molecule files (protein+ligand complex) from pymol to a 
format that is readable by maestro. I've tried saving in .mae or .pdb format, 
but bond orders in ligands are lost (all bonds are single). I've played with 
the "PDB options" in the save command and managed to get double bonds right, 
but the aromatic ones are ignored.

Does anyone know how to write files that can be read properly by maestro?

Alternatively, is there a way to convert aromatic bonds into alternating 
single/double bonds, as I think this would be easier to output based on my 
tests?

thanks,
Xavier

--
Xavier Fradera
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Re: [PyMOL] save format for molecule files

2023-05-18 Thread Thomas Holder
Hi Xavier,

The best option to transfer bond orders from PyMOL to Maestro might be
with .mol2 (or .sdf) format. These formats can store aromatic bond
orders and Maestro will convert that to meaningful double/single bonds
when loading the file.

- .pdb format can't store aromatic bonds (and double bonds only with
an unofficial trick)
- .mae format can't store aromatic bonds
- Maestro doesn't have aromatic bond orders
- PyMOL has limited capabilities for detecting bond orders and can't
convert aromatic bonds to single/double bonds (kekulization)
- .sdf format doesn't have protein and residue level information, but .mol2 does

Cheers,
  Thomas

On Wed, May 17, 2023 at 4:51 PM Xavier Fradera  wrote:
>
> Hi,
>
> I'm trying to save some molecule files (protein+ligand complex) from pymol to 
> a format that is readable by maestro. I've tried saving in .mae or .pdb 
> format, but bond orders in ligands are lost (all bonds are single). I've 
> played with the "PDB options" in the save command and managed to get double 
> bonds right, but the aromatic ones are ignored.
>
> Does anyone know how to write files that can be read properly by maestro?
>
> Alternatively, is there a way to convert aromatic bonds into alternating 
> single/double bonds, as I think this would be easier to output based on my 
> tests?
>
> thanks,
> Xavier
>
> --
> Xavier Fradera
> ___
> PyMOL-users mailing list
> Archives: http://www.mail-archive.com/pymol-users@lists.sourceforge.net
> Unsubscribe: 
> https://sourceforge.net/projects/pymol/lists/pymol-users/unsubscribe


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[PyMOL] save format for molecule files

2023-05-17 Thread Xavier Fradera
Hi,

I'm trying to save some molecule files (protein+ligand complex) from pymol
to a format that is readable by maestro. I've tried saving in .mae or .pdb
format, but bond orders in ligands are lost (all bonds are single). I've
played with the "PDB options" in the save command and managed to get double
bonds right, but the aromatic ones are ignored.

Does anyone know how to write files that can be read properly by maestro?

Alternatively, is there a way to convert aromatic bonds into alternating
single/double bonds, as I think this would be easier to output based on my
tests?

thanks,
Xavier

-- 
Xavier Fradera
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