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. Author manuscript; available in PMC: 2008 Dec 4.
Published in final edited form as: Biochemistry. 2006 Oct 3;45(39):11895–11904. doi: 10.1021/bi060990m

Figure 5.

Figure 5

Time dependence of the enamine peak area near 1593 cm−1 (normalized to the amide I band) for the E166A (upper trace) and M69V-E166A (lower trace) SHV β-lactamase variant crystals and tazobactam (5mM in the mother liquor)