From: Dallas Warren (
Date: Wed Jul 01 2020 - 17:55:56 CDT

Those sections of VMD are hard coded in. If you want to add non-standard
residues then you are going to have to dive in and change the code yourself.

Catch ya,

Dr. Dallas Warren
Drug Delivery, Disposition and Dynamics
Monash Institute of Pharmaceutical Sciences, Monash University
381 Royal Parade, Parkville VIC 3052
When the only tool you own is a hammer, every problem begins to resemble a

On Thu, 2 Jul 2020 at 02:32, Chetna Tyagi <> wrote:

> Dear all,
> My peptide contains many non-standard residues like Aib and D-isovaline.
> How can I represent them in Ribbon or cartoon conformation. Otherwise the
> peptide looks broken.
> The error is :
> Warning: ribbons code encountered an unusual structure, geometry may not
> look as expected
> Any ideas?
> Thanks
> --
> Best wishes
> Chetna