2015-03-09 9:26 GMT-06:00 Daniel Allen <[email protected]>:
> Hi Votca users,
>
> I am having trouble setting up my mapping for a system with 2 different
> molecule types. I am using a pdb file containing the all of the atoms of my
> polymer and then also the CG water beads that I will be using (which I have
> already clustered so there is just a 1:1 mapping for those).
>
> My topol.xml file looks like this:
>
> <topology base= "PEO16-PBO22-FULL.pdb">
>   <molecules>
>     <clear/>
>     <define name="PEO16-PBO22" first="0" nbeads="401" nmols="128"/>
>     <define name="WAT" first="51328" nbeads="1" nmols="6667"/>
>   </molecules>
> </topology>
>
> I have run csg_dump --top topol.xml
>
> to check the mapping. The problem is that for my water beads, it seems like
> votca has reopened the pdb file as the index starts from 0 and the atom
> types are incorrect despite the fact that I say first="51328" for the water.
>
> Is this the wrong way to declare multiple molecule types using a pdb
> topology?
It looks ok to me, but without the pdb I cannot say much. Can you send
PEO16-PBO22-FULL.pdb to [email protected] and I will have a look!

Christoph

>
> I would be very grateful for any suggestions on this.
>
> Cheers, Dan.
>
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-- 
Christoph Junghans
Web: http://www.compphys.de

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