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: 5F6Y
Crystal structure of Ubc9 (K48/K49A/E54A) complexed with Fragment 2 (mercaptobenzoxazole)
Chain
A
Anionic trypsin-2 - Rattus rattus