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. Author manuscript; available in PMC: 2020 Feb 10.
Published in final edited form as: J Am Chem Soc. 2020 Jan 16;142(4):1911–1924. doi: 10.1021/jacs.9b11093

Figure 2.

Figure 2.

Comparison of Mössbauer spectra of reconstituted Bt MiaB collected at 4.2 K with either no applied magnetic field (black vertical bars) or in a 53 mT magnetic field oriented parallel to the γ beam (red lines) before (A) and after (B) incubation with SAM for 20 min. Black arrow indicates the increased absorption at ~0.6 mm/s. Blue arrow indicates the high-energy line of high-spin FeII. Green arrows indicate the broad unspecific absorption of the component with paramagnetic integer-spin ground state in the 53 mT spectrum.