Thanks Robert for the reply,

A:I Have a 5 ns trajectory, saving data every 100 ps(50 frames).

A:NO, I just load the .pdb file of the trajectory and in console I 
type "calculate structure" , it calculates for every frame of the trajectory
 , but I don't know How I can save it which be useful for plotting.

because I want a plot like the DSSP plot which people use in literatures.



________________________________
 From: Robert Hanson <[email protected]>
To: parisa rahmani <[email protected]>; "[email protected]" 
<[email protected]> 
Sent: Wednesday, January 2, 2013 4:44 PM
Subject: Re: [Jmol-users] trajectory + secondary structure analyze
 

Q: How many trajectory frames do you have? 

Q: Are you using "load TRAJECTORY ...." ?

If your intent is to see how the secondary structure changes from frame to 
frame, then on each frame change you will need to calculate a structure using:

set animFrameCallback "jmolscript:calculate structure;cartoons only;color 
structure"

or something like that. Otherwise the assignments for helix, sheet, and turn 
will not be updated automatically.






On Tue, Jan 1, 2013 at 1:53 AM, parisa rahmani <[email protected]> wrote:

Hi jmol users
>
>
>I am new to jmol, and unfamiliar with it's facilities.
>
>
>I have a trajectory of a protein(.pdb file) and i want to plot a graph to show 
>changes in secondary structure as a function of time,
>i know that with "calculate structure" i can do DSSP analyze, but how i can 
>save it such that i can plot the graph.
>
>any suggestion (or introducing some tutorials) would be greatly appreciated.
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-- 
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Chemistry Department
St. Olaf College
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http://www.stolaf.edu/people/hansonr


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