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. Author manuscript; available in PMC: 2019 Oct 9.
Published in final edited form as: Biochemistry. 2018 Sep 28;57(40):5785–5796. doi: 10.1021/acs.biochem.8b00752

Figure 1.

Figure 1.

Residues of interest in the heme binding site of GlbN (A) in the bis-histidine state (PDB ID: 1RTX)13 and (B) in the cyanomet state (PDB ID: 1S69).14 The E and F helices are shown, along with a portion of the B helix.