[chimerax-users] Implement Crosslinks/pseudobond/distances subselections and/or export

[Tom Goddard]

Hi Pascal,

  I added the ability to save pseudobond files (.pb suffix) in ChimeraX, will be in tonight's builds,

	select /A,B min 15 max 24
	save somelinks.pb selectedOnly true

This saves crosslinks between chains A and B with lengths between 15 and 24.  The link colors and radii are also saved.

	Tom


> On Mar 6, 2019, at 2:33 AM, Pascal Albanese wrote:
> 
> Dear ChimearX Users and developers, 
> 
> I'm using ChimeraX for visualization and analysis of pseudobonds datasets from Crosslinking-MS and i found new features very useful (min max selection etc). 
> I think it would be useful (but i don't know how much effort will be required) to be able to select subsets of distances (e.g. form 15 to 24 Angstroms, or involving chain A and B) and being able to create and export these subsets. for instance i have a Complex of A, B and C and i want to select all pseudo-bonds involving A and B and export them as pb file (to be able to load them as a separate model lateron). Or to sel min 15 max 24, and then export them as pb file (with "save" function). 
> 
> I think it would be really useful for both crosslinks visualization and analysis (i work with datasets of thousands of crosslinks on big complexes which make difficult to subselect them, i have to do it with pymol, then generate subsets and reformat them as .pb files). 
> 
> i had a look to previous threads, but i didn't found similar topics. If i'm wrong my apologize.
> 
> Thank you!
> 
> Pascal
> 
> -- 
> Pascal Albanese, PhD
> Post-doc, Politecnico di Torino
> Dipartimento DISAT,
> BioSolar Lab at Environment Park
> 
> Via Livorno 60
> 
> 10144 Torino
> 
> e-mail: pascal.albanese at polito.it <mailto:pascal.albanese at polito.it> 
> 
> Phone number: +39 011 2257655 <tel:+39%20011%20225%207655>
> 
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