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. 2015 Dec 4;1(11):e1501086. doi: 10.1126/sciadv.1501086

Fig. 1. AfFNR characterization.

Fig. 1

(A) Ultraviolet-visible spectra of AfFNR. The spectra of anaerobic (solid line), 15-min air-exposed (dashed line), and 330-min air-exposed (dotted line) AfFNR correspond to the [4Fe-4S], [2Fe-2S], and apo forms of the protein, respectively. (B) Size-exclusion chromatography elution profiles of anaerobically prepared (dimeric; solid line) and aerobically treated (monomeric; dashed line) AfFNR. These figures are to be compared to those obtained for EcFNR under similar conditions (15, 17, 23).