nicegromacs wrote:
Hi gmx-users,

I am building a polymer and I've added the monomer unit to the .rtp file. The final structure appears with an undesired bond between the monomer units at the extremes of the polymer.
How can I prevent the monomers at the end forming the bond?


Bonds that appear in visualization software are separate from bonds that exist in the topology. Programs like VMD guess where bonds should be based on atomic distances, which may or may not correspond to reality.

Be assured that the only true bonds are the ones you have defined in the 
topology.

-Justin

I have read other post like http://www.mail-archive.com/gmx-users@gromacs.org/msg21133.html but can not avoid this problem .

Thank you in advance

veduardo.

Lab. de  FisicoquĂ­mica Molecular

Facultas de Ciencias

Universidad de Chile


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--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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