On 22/11/2011 10:41 PM, Javier Romero Garcia wrote:
Hi, I'm sorry to insist in my question but if somebody could answer or
just to send me some information or place to look for, I will be very
thanked.
I imagine that these kinds of definitions are discussed in general texts
on (computational or experimental) modelling of proteins, so that may be
a good place to start with understanding what g_helixorient might be
calculating.
GROMACS manual does not give any information but the way to use it.
Nothing about the contain of files.
g_helixorient -h has some very basic information that could help.
Otherwise, I'm sure the GROMACS team regret that the documentation is a
bit lacking. Please do remember that GROMACS is a volunteer effort.
Because our resources are finite, it won't always be able to be what we
would all like it to be. The existence of the g_helixorient tool is
already rather more than you paid for, too ;-). Do consider using other
simulation packages' analysis tool sets - often trajectories can be
inter-converted with little fuss. In extremis, please consider reading
the code of src/tools/gmx_helixorient.c - but you'll need to be unafraid
of the mathematics of 3D rotation!
Mark
Thanks again.
----- Mensaje reenviado -----
*De:* Javier Romero Garcia <kurcol...@yahoo.com>
*Para:* "gmx-users@gromacs.org" <gmx-users@gromacs.org>
*Enviado:* lunes 21 de noviembre de 2011 10:44
*Asunto:* g_helixorient question
Hello! My name's Javier Romero and I am a PhD student, writting from
Barcelona. I am simulating an anphipatic helix of 23 residues, in the
interface of a DPPC membrane and water. I am trying to measure the
rotation of the helix using the tool "g_helixorient".
Could be somebody so kind to explain me the meaning of each kind of
the files? I mean:
- Twist.
- Tilt.
- Tetha.
- Rotation.
- Rise.
- Radius.
- Helixaxis.
- Center.
- Bending.
Thanks in advance.
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