AMBER Archive (2009)

Subject: Re: [AMBER] ouput trajectory of only CA atom

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have you tried just
strip !@CA

what exactly does ptraj say it is doing with your mask? it should tell you #
atoms that match, etc.

On Wed, Jul 8, 2009 at 9:24 AM, Bala subramanian
<bala.biophysics_at_gmail.com>wrote:

> Friends,
>
> How can i ask ptraj to output the coordinate of only the CA atoms from a
> trajectory file. I tried with following input but it vain. Is there
> anything
> wrong with the mask.
>
> trajin ub_anal.crd
> trajout ub_ca.crd
> strip @* &! @CA
>
>
> Thanks,
> Bala
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