AMBER Archive (2009)

Subject: [AMBER] ouput trajectory of only CA atom

From: Bala subramanian (
Date: Wed Jul 08 2009 - 08:24:56 CDT


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

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