Usage:
ribrepr type atom-spec

Ribrepr controls the representation of secondary structure ribbons. Possible values of type are

Ribbon type can also be changed with the Actions menu or the molecule model attributes panel. The width and (except for the flat or ribbon type) height of the ribbon cross-section can be changed using Ribbon Style Editor.

The ribbon display can be turned on and off with the command ribbon or the Actions menu.

Even if only particular atoms are specified, the ribbon segment(s) corresponding to the entire residue(s) containing the atoms will be affected.

See also: ribbon, rainbow, ribcolor, modelcolor, the Actions menu, the Ribbon Style Editor tool