change dihedral angles using the mouse in Pymol

Question

Does anyone know the method to change the phi/psi/omega angles using the mouse in pymol?

I know the command: Set_dihdral but want to play with the dihedral angles using the mouse.

Thank you, Steve

Answer 1

You can. I would recommend you to, first, change the visualization to "ball and stick" (Action > Preset > ball and stick) and then hiding the side chain (Hide > Side Chain).

Then you click in the area with the informations about the mode buttons (as below). It will change the Mouse Mode to 3-Button Editing.

Finally, you press CTRL + Right Click on the angle you want to change and it's done.

HTH

Answer 2

Pymol Tips:

Ctrlright click on a bond to know the dihedral/torsion angle.

Ctrlleft click and drag to change the dihedral/torsion angle.

Command to set the dihedral/torsion angle:

set_dihedral atom1_name, atom2_name, atom3_name, atom4_name, angle

Example:

set_dihedral 23/CA, 23/C, 24/N, 24/CH3, 60