[gmx-users] angle

[Mark Abraham]

Morteza Khabiri wrote:
> Dear gmxusers
> 
> I want to calculate the angle between 2 alpha helix. One of the
> possibility to do, is g_bundle command. If I want to use g_bundle I have a
> problem to define the groups in the index file. On a basis of which
> criteria could I choose the 3 group in index file as input for g_bundle???

Does the contents of g_bundle -h help?

Mark