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. Author manuscript; available in PMC: 2013 Jan 18.
Published in final edited form as: J Am Chem Soc. 2012 Jan 3;134(2):1172–1180. doi: 10.1021/ja209016j

Figure 1.

Figure 1

A photoactive peptide [Re]–F3Y–βC19 displays a fluorotyrosyl radical at the equivalent position to Y356 in β2. The method of radical transport into α2 from Y356→Y731→Y730→ C439 is deciphered by monitoring the radical in the presence of the stop mutants Y731F-α2, Y730F-α2, C439S-α2 as well as the wt-α2.