check & flip / smoothing step for NA backbone ribbon generation

[podmeister81]

Opening a NA (2AU4) from pdb can result in an the backbone ribbon becoming distorted (or accurately displaying as distorted). However the result is not a particularly attractive result for visualisation.

A way to either choose the accurate representation or a node to add that enables smoothing the NA backbone ribbon out would be useful.

Image attached of 2AU4 imported into blender and the associated geometry nodes (as imported).

[BradyAJohnston]

Thanks for reporting! Should be able to add an option for improving this (and likely enable by default)