[Chimera-users] proposed "backbone" change

Eric Pettersen pett at cgl.ucsf.edu
Mon May 15 12:06:23 PDT 2006

A reasonable number of people have a preference for the current  
behavior, so we'll offer both as options.


On May 11, 2006, at 2:59 PM, Eric Pettersen wrote:

> Hi all,
> 	RIght now, if you do "Actions->Atom/Bonds->backbone only" Chimera  
> shows the minimum number of atoms to produce a connected peptide/ 
> nucleic acid backbone, which therefore does not include peptide  
> carbonyl oxygens nor nucleic sugar rings/charged phosphate  
> oxygens.  We are thinking of changing the behavior so that  
> "backbone only" includes everything that isn't in the side chain/ 
> base.  The question is: does anyone need/want the current  
> behavior?  If not, I'd not only change "backbone only" but would  
> also change Select->Structure->backbone from a menu (has "full" and  
> "minimal" in it) to just a menu item that selects the full  
> backbone.  If there are some people who do use the current  
> behavior, then instead I'd change "backbone only" to be a menu too.
> --Eric
>                         Eric Pettersen
>                         UCSF Computer Graphics Lab
>                         pett at cgl.ucsf.edu
>                         http://www.cgl.ucsf.edu
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> Chimera-users at cgl.ucsf.edu
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