[gmx-users] How to constrain some angles?

[Mark Abraham]

On 24/07/2012 6:42 PM, Wu Chaofu wrote:
> Dear gmxers,
> For some purpose, I want to constrain some angles. Note that it is
> "some" but not "all", and "constrain" but not "restrain". How to do
> with it?

As discussed earlier today on the list, you need to use a triangle of 
bond constraints to constrain an angle, and there are some cases where 
using virtual sites is best.

Mark