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. Author manuscript; available in PMC: 2010 Sep 15.
Published in final edited form as: Biochemistry. 2009 Sep 15;48(36):8568–8577. doi: 10.1021/bi900563g

Figure 1.

Figure 1

(a) Structure of the heme pocket of the Tt H-NOX WT FeII-O2 complex, indicating the distal Ile-5 and proximal Pro-115 thought to be responsible for the distorted heme structure (PDB 1U55). (b) Heme molecular structure and labeling scheme.