(function(doc, html, url) { var widget = doc.createElement("div"); widget.innerHTML = html; var script = doc.currentScript; // e = a.currentScript; if (!script) { var scripts = doc.scripts; for (var i = 0; i < scripts.length; ++i) { script = scripts[i]; if (script.src && script.src.indexOf(url) != -1) break; } } script.parentElement.replaceChild(widget, script); }(document, '

What is it about?

Determining the structure of proteins can help us understand how they work, but it can be difficult, particularly with large proteins. This paper describes how we used a combination of techniques to determine the atomic structure of a large protein complex.

The following have contributed to this page:

Jason Busby

' ,"url"));