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. Author manuscript; available in PMC: 2009 Aug 25.
Published in final edited form as: Biochemistry. 1998 May 19;37(20):7351–7362. doi: 10.1021/bi972864b

Figure 2.

Figure 2

Position of threonine 367 and the C2 oxygen of the FAD isoalloxazine group from the porcine ETF-QO crystal structure (PDB data bank: 2GMH). The corresponding amino acid in R. sphaeroides ETF-QO is asparagine 338, which is in position to interact with the C2 oxygen and N1 of the isoalloxazine ring.