Hi Tasneem,

python
for state in range(1, cmd.count_states() + 1):
    angle = cmd.get_dihedral("58/N", "58/C", "58/CA", "58/CB", state)
    print state, angle
python end

Cheers,
  Thomas

Tasneem Ali wrote, On 01/10/13 17:08:
> Hello all,
> 
> I have generated a movie of 300 snapshots (MD simulation trajectory).
> How can i calculate dihedral angles for same four atoms across the
> trajectory (or a movie)??
> I mean "get_dihedral 58/n,58/c,58/ca,58/cb "values 300 times for each
> snapshot.
> 
> Regards
> Tasneem

-- 
Thomas Holder
PyMOL Developer
Schrödinger Contractor

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