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. Author manuscript; available in PMC: 2017 Oct 19.
Published in final edited form as: Bioconjug Chem. 2016 Sep 26;27(10):2271–2275. doi: 10.1021/acs.bioconjchem.6b00432

Figure 1.

Figure 1

(A) Structure of rhodamine-linked cyclohexene sulfonamide compound (cHx-Rho). (B) HSA crystal structure showing the primary labeling site, Lys64 (1BJ5). HSA domains I, II, and III are indicated. (C) Fluorescent (top) and Coomassie-stained (bottom) gel of HSA-MBP domain fusion proteins labeled with 10 equivalents of cHx-Rho for 2 h.