Hi Bob.

I'm also interested, though I think you should be aiming big ;)

The development build of Jalview (which will eventually be 2.8.2 by the 
summer) has an RNAView based secondary structure shading scheme that was 
developed by a summer student, Anne Menard, back in 2012. Currently, 
2.8.2 uses Fabrice Jossinet's RNAView service to process the RNA chains, 
but it would be great if similar functionality were built in to Jmol, 
since Jalview 2.8.2 already uses DSSP assignments.

Try loading PDB 2GIS into Jalview via its sequence fetcher, you can then 
open a Jmol view and a VARNA view, and also shade the sequence by RNA 
sugar edge interactions (Leontis/Westhoff/Hoogstein 2.5D annotation).

Jim.

On 09/04/2014 09:22, Angel Herráez wrote:
> Bob and Xiang-Jun,
>
> That sounds VERY interesting!
> Congratulations
>
> I will need some time before I can test this at some length.
>
> Yes, avoid the ribosome. I have a small set of PDB IDs that could be
> used for testing/demo, if you need them -- tRNA, snall and large
> rRNA, hairpins, an N base bound to a small RNA (riboswitch)...
>
> By the way, although this is separate, we recently had some problem
> (while testing some Proteopedia issues) with individual nucleotides
> (GMP, ATP...) being read as "nucleic" rather than "ligand". I
> understand the rationale, but it is not ideal. That might also affect
> when you start doing fancy nucleic secondary structure rendering.
>
>
>
>
>
>
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