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. Author manuscript; available in PMC: 2013 Oct 24.
Published in final edited form as: J Am Chem Soc. 2012 Oct 11;134(42):17704–17713. doi: 10.1021/ja307599z

Figure 5.

Figure 5

Sequence of double cysteine mutants (3a, 3b, and 3c) and their crosslinked counterparts (3a, 3b, and 3c) (left). A helical wheel representation to indicate the crosslinked regions (right).72 Inline graphic denotes the m-xylyl c15 crosslinking between the cysteines.