[Chimera-users] proposed "backbone" change

Eric Pettersen pett at cgl.ucsf.edu
Thu May 11 14:59:51 PDT 2006

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 Pettersen
                         UCSF Computer Graphics Lab
                         pett at cgl.ucsf.edu

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