Re: [AMBER] Chamber problem

From: Shukla, Saurabh <>
Date: Mon, 2 Mar 2015 19:50:29 +0000

Hi Jason.
I have tried ParmEd with my files. But it shoeing me the following error.
Any idea what is possibly wrong?

Action chamber failed
        ChamberError: Problem assigning parameters to PSF: Missing bond type for
<Bond <Atom FE1 [8937]; In F4O 578>--<Atom NE2 [1434]; In HSD 93>;


On 2/24/15, 7:56 PM, "Jason Swails" <> wrote:

>On Tue, Feb 24, 2015 at 8:24 PM, Shukla, Saurabh <>
>> Dear all,
>> I am using Chamber to convert .psf files obtained from VMD to Amber
>> .prmrop and .inpcrd files. I am using –xpsf flag for my .psf file as
>> suggested on previous threads.
>​I would suggest trying to use the chamber command in ParmEd instead. It
>will be released with AmberTools in a couple months, but is available now
>at You can find instructions for how to
>use ParmEd in the AmberTools manual and the chamber command in particular
>Jason M. Swails
>Rutgers University
>Postdoctoral Researcher
>AMBER mailing list

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Received on Mon Mar 02 2015 - 12:00:04 PST
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