[Chimera-users] creating a peptide bond between two fragments

Eric Pettersen pett at cgl.ucsf.edu
Tue Aug 23 11:33:13 PDT 2011

On Jun 7, 2011, at 2:30 PM, Glenn Millhauser wrote:
> Hi Folks,
>    I am trying to add a four amino acid segment to the N-terminus of  
> a protein in the pdb.  I can generate the four residue stretch and  
> move its C-term close to the N-term of the structured protein.  I  
> can then select the C' and N atoms, which are about 1.0 Angstrom  
> apart.  At that point, I am stuck.  Not sure how to add a bond and  
> then create a proper structure.  I've played around with Join  
> Models, but no luck.  Without a peptide bond recognized by Chimera,  
> ribbons are discontinuous.  Any ideas?
> Many thanks,
> glenn
There is now a section of the Join Models page specifically for  
joining two peptides, so this problem should be easy to solve in the  


                         Eric Pettersen
                         UCSF Computer Graphics Lab

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