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: 1EKA
NMR AND MOLECULAR MODELING REVEAL THAT DIFFERENT HYDROGEN BONDING PATTERNS ARE POSSIBLE FOR GU PAIRS: ONE HYDROGEN BOND FOR EACH GU PAIR IN R(GGCGUGCC)2 AND TWO FOR EACH GU PAIR IN R(GAGUGCUC)2
Chain
A
Amyloid-beta precursor protein - Homo sapiens