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: 1SSH
Crystal structure of the SH3 domain from a S. cerevisiae hypothetical 40.4 kDa protein in complex with a peptide
Chain
A
4'-phosphopantetheinyl transferase PptT - Mycobacterium tuberculosis H37Rv