I would try some sort of multi replace residue:
by hand the function is at Extensions -> Modelling -> Replace Residue
Paul.
On 26/01/15 09:59, Almudena Ponce Salvatierra wrote:
> Hi Robbie,
>
> thanks a lot. I was suspecting that editing the PDB was probably the
> easiest way to go. I will try that!
>
> Best,
>
> Almudena
>
> 2015-01-26 10:44 GMT+01:00 Robbie P. Joosten <[log in to unmask]
> <mailto:[log in to unmask]>>:
>
> Hi Almudena,
>
> You can use Cootilus/Nautilus to rebuild the nucleic acid in your
> current density. This is not a direct conversion, but it should be
> quick enough.
> The conversion form RNA to DNA can be done (outside COOT) in a
> text editor by changing the residue names an deleting the O2'
> atoms. If you rename uridine (U) to deoxyuridine (DU), you can use
> 'simple mutate' in COOT to convert it into thymidine (DT).
> The conversion DNA to RNA is more complicated because you need to
> add the O2' atoms. Unfortunately, (in my hands) the fill partial
> residues function in COOT does not add the missing O2' atoms. You
> can delete and re-add the residues, but that is really slow.
>
> HTH,
> Robbie
>
>
> On 01/26/2015 10:01 AM, Almudena Ponce Salvatierra wrote:
>
> Dear all,
>
> is there a "fast" way of changing the chain type from RNA to
> DNA or from
> DNA to RNA within coot? I have already quite a bit built into
> density,
> but it is the wrong kind of nucleic acid.
>
> Best,
>
> Almudena
>
> --
> Almudena Ponce-Salvatierra
> Macromolecular crystallography and Nucleic acid chemistry
> Max Planck Institute for Biophysical Chemistry
> Am Fassberg 11 37077 Göttingen
> Germany
>
>
>
>
> --
> Almudena Ponce-Salvatierra
> Macromolecular crystallography and Nucleic acid chemistry
> Max Planck Institute for Biophysical Chemistry
> Am Fassberg 11 37077 Göttingen
> Germany
>
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