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. Author manuscript; available in PMC: 2013 Sep 25.
Published in final edited form as: Bioorg Med Chem Lett. 2011 Oct 8;21(24):7502–7504. doi: 10.1016/j.bmcl.2011.09.108

Figure 2.

Figure 2

Normalized fluorescence spectra of modified GFP containing unnatural amino acids in phosphate buffer solution (0.1 M NaCl, 8 mM Na2HPO4, 2 mM KH2PO4, pH 7.4) after excitation at 365 nm.