shahab shariati wrote:
Hi gromacs users
I want to simulate pr-dna by gromacs.I read a article (Biophysical Journal 87(6) 3799–3813) inwhich helical parameters for DNA (rise, slide, twist, roll, tilt, shift) calculated by md simulation, but I did not understand two things: How and what command these parameters were calculated?

There's nothing in Gromacs that will do all that by default.

I read gromacs manual. in that there is only g helix and g helixorient for Protein specific analysis. can any body help me how to do this ?

You'll probably have to code it yourself. These are all simple geometric parameters, so it shouldn't be that difficult.

-Justin


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========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
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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