Set a new PDB ID and "load" model from RCSB.org (Exit WebXR first).
Exit/Enter WebXR to change view modes. HF - high frequency (72Hz), AA - anti aliasing.
Tested on Oculus Go (with touchpad). Click trigger button to change control modes.
Use a,s,d,w,↑,↓ keys for navigation on a desktop.
See console for more info. Try 1mbn, 1gbv...