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. 2017 Apr 27;12(4):e0176398. doi: 10.1371/journal.pone.0176398

Fig 1. Overall structure of ferredoxin and oxygenase components of 3NTDO.

Fig 1

(A) 3NTDO-FDS2, the Rieske center and coordinating side chain residues are shown in stick representation. (B) 2Fo-Fc electron density contoured at 1.0 σ level in the Rieske cluster of ferredoxin shown as a ball and stick model and in blue wire mesh. (C) 3NTDO-ODS2, the three αsubunits are colored green, blue and red and β subunits are in yellow, grey and cyan. The Rieske center and the catalytic iron are shown in CPK model representation. (D) 2Fo-Fc electron density contoured at 1.5σ level in the vicinity of catalytic iron center with the ligand His206, His211 and Asp360 shown as a ball and stick model. (E) View along the molecular threefold axis of 3NTDO-ODS2. The iron, sulphur, nitrogen and water are shown in magenta, yellow, blue and red colors, respectively.