Re: AMBER: problem in saving parameter file for non-standard residue

From: Priti Hansia <priti.mbu.iisc.ernet.in>
Date: Fri, 13 Jan 2006 17:20:36 +0530 (IST)

Dear Ilyas,

Thank you again for your reply. I will go through the literature and try
to see if there is any similar structure. I hope I get something !

Thanks again for your help.

-Priti



> Dear Priti,
>
> This is a very hard subject; how to find/define the missing parameters.
> You may find a similar structure in literature, or in AMBER, which is
> similar to your non-standart residue, and then assume that the equilibrium
> bond lengths, angles, the force constants, etc., are same as the similar
> structure. Other than that, the hardest way is to calculate the missing
> parameters, which needs x-ray structure, MD simulations, etc. I would
> suggest u to first scan the literature and see if there is any similar
> structure. If yes, use those parameters in your structure. Good luck...

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Received on Sat Jan 14 2006 - 06:10:06 PST
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