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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Bioorg Med Chem. 2014 Sep 16;22(21):5924–5934. doi: 10.1016/j.bmc.2014.09.015

Figure 5.

Figure 5

Fluorescence emission spectra of DHFRs containing amino acid G at position 17 (black trace), G at position 17 and E at position 79 (red trace). The spectra were recorded at pH 8.0 following excitation at 260 nm.