On 2/21/13 6:09 PM, Mehdi Bagherpour wrote:
I am using Gromacs software for DNA simulation. Specially in my project I
need to fix two ends base pairs of DNA,The DNA that I want to simulate has
12 sequence shown bellow

5-- *C*GCAAAAAACG*C* --3
3-- *G*CGTTTTTTGC*G*  --5

I dont know how I can use from position restraint in gromacs.

would you please help me to solve this problem?


Use genrestr with an index group specifying whatever it is that you want to restrain.

-Justin

--
========================================

Justin A. Lemkul, Ph.D.
Research Scientist
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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