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. Author manuscript; available in PMC: 2008 Aug 18.
Published in final edited form as: Biochemistry. 2006 Oct 24;45(42):12687–12694. doi: 10.1021/bi061435n

Figure 2. Conformation of hydrogen-bond-forming residues in the flavin binding pocket that undergo alterations.

Figure 2

A) Tyr21, Gln63 Met106 and Trp104 in AppA in the putative dark state conformation. B) The corresponding residues Tyr8, Gln50, Met93 and Trp91 in Slr1694 in the “Trp91 in” conformation that represents the putative, pseudo-dark state. C) These Slr1694 residues in the “Trp91 out” conformation that represents a putative light-excited state (see text). D) The corresponding residues in Tll0078, also in a putative light-excited state.