Re: [AMBER] Backbone

From: Karl Kirschner <>
Date: Wed, 18 Nov 2015 11:09:26 +0100

Hi Mohammad,

  Your question, or at least where it is coming from, is not clear to me.
You should probably provide a little more information. Are you see this
phrase ('the backbone is a
mass') in leap's output topology file (e.g.

  If you want to check the geometry (e.g. torsions) of your molecule
(presumably a protein or DNA), then you can do this using the cpptraj
analysis tool.


On Wed, Nov 18, 2015 at 10:52 AM, mohammad roostaie <> wrote:

> Hi everybody,
> I have problem with my topology file. Actually I don't know how I can check
> the backbone. And does anybody know what it means when 'the backbone is a
> mass' ?
> Thank you, Mohammad.
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Received on Wed Nov 18 2015 - 02:30:04 PST
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