WebGL does not seem to be available.

This can be caused by an outdated browser, graphics card driver issue, or bad weather. Sometimes, just restarting the browser helps. Also, make sure hardware acceleration is enabled in your browser.

For a list of supported browsers, refer to http://caniuse.com/#feat=webgl.

Sequence Annotations in 3D: 8T23
Cryo-EM structure of the RBD-ACE2 interface of the SARS-CoV-2 trimeric spike protein bound to ACE2 receptor after local refinement at upRBD conformation
Chain
A
Spike glycoprotein - Severe acute respiratory syndrome coronavirus 2