[gmx-users] position restrain of DNA

[Mehdi Bagherpour]

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?

I am looking forward hearing of you,

Mehdi Bagher Poor.