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: 3WI1
P453H/I471T mutant of PB2 middle domain from influenza virus A/Puerto Rico/8/34(H1N1) with m7GTP
Chain
A
Transcriptional repressor SmtB - Synechococcus elongatus PCC 7942 = FACHB-805