Hi Jim,

I think it would be best if we could discuss these face to face when you are in 
tomorrow.

Charles


Ofoegbu Tochukwu Charles
Jalview Visual Analytics Developer/Scientist
The Barton Group
Division of Computational Biology
School of Life Sciences
University of Dundee, Dundee, Scotland, UK.
Skype: cofoegbu
www.jalview.org<http://www.jalview.org/>
www.compbio.dundee.ac.uk<http://www.compbio.dundee.ac.uk/>​











On 4 Apr 2017, at 17:09, Jim Procter 
<[email protected]<mailto:[email protected]>> wrote:

Thanks for the reply, Charles.

On 04/04/2017 14:47, Charles Ofoegbu (Staff) wrote:
As I understand it, the query sequence is always first in the
alignment (allhits, query.JAL and the template maps) Is that correct ?

Yes that is indeed correct.
Lawrence - is that also the case for all the alignments generated by the
phyre pipeline ?

If so, we could add logic to Jalview that defaults to adding
annotation to the first sequence in the alignment if 'QUERY' is given
as the name, but no sequence is given with that name.

Alternately, we have precedent for mapping annotation to sequences by
position in the alignment. Much more fragile but equally valid in this
case.

We could certainly do so. However, doing so would defy the purpose of
having the query sequence included in STRUCTMODEL annotation in the
first place.
Well in that case it could be made optional anyhow. Leaving it empty
means Jalview will assume the first sequence is the query (which is what
happens when processing other specialised prediction formats). The same
assumption could then be made when importing parwise mapping alignments
(where we already know what the template sequence ID is because it is
also given as a parameter).

Furthermore, given that we intend the implementation to be
generic enough to support importation of modelled structures from other
sources, I reckon that it would be more robust to explicitly define the
relationships correctly rather than coding on assumptions.

I take your point, but the asumption is only regarding the
interpretation of 'QUERY' which is a widely used generic label.

j.

ps. Thank goodness no one named a gene query!
http://www.ensembl.org/Multi/Search/Results?q=query;site=ensembl

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Dr JB Procter, Jalview Coordinator, The Barton Group
Division of Computational Biology, School of Life Sciences
University of Dundee, Dundee DD1 5EH, UK.
+44 1382 388734 | www.jalview.org | www.compbio.dundee.ac.uk

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