Scientists Pioneer New Method for Watching Proteins Fold

A protein's function depends on both the chains of molecules it is made of and the way those chains are folded. And while figuring out the former is relatively easy, the latter represents a huge challenge with serious implications because many diseases are the result of misfolded proteins. Now, a team of chemists at the University of Pennsylvania has devised a way to watch proteins fold in "real-time," which could lead to a better understanding of protein folding and misfolding in general. The research was conducted by Feng Gai , professor in the Department of Chemistry in the School of Arts and Sciences , along with graduate students Arnaldo Serrano, also of Chemistry, and Robert Culik of the Department of Biochemistry and Molecular Biophysics at Penn's Perelman School of Medicine. They collaborated with Michelle R. Bunagan of the College of New Jersey's Department of Chemistry. Their research was published in the international edition of the journal Angewandte Chemie , where it was featured on the cover and bestowed VIP (very important paper) status. "One of the reasons that figuring out what happens when proteins fold is difficult is that we don't have the equivalent of a high-speed camera that can capture the process, " Gai said.
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