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. Author manuscript; available in PMC: 2011 Feb 16.
Published in final edited form as: Biochemistry. 2010 Feb 16;49(6):1160–1175. doi: 10.1021/bi9015204

Figure 9.

Figure 9

(A) A four fold-pore and neighboring B pores in the Fe-soaked Pa BfrB structure viewed from the interior cavity. The iron and potassium ions are represented by orange and green spheres, respectively. (B) An identical view in CPK rendering, which facilitates visualization of the B pores and of the four Fe(in) ions surrounding the four-fold pore. (C) Zoomed-in view illustrating side chains that may form possible routes for moving iron ions from the ferroxidase pore, four-fold pore or B pores to their Fe(in) position.