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. Author manuscript; available in PMC: 2013 Jul 4.
Published in final edited form as: J Am Chem Soc. 2012 Jun 22;134(26):10822–10832. doi: 10.1021/ja211368u

Figure 5.

Figure 5

Mössbauer spectra (vertical bars) of DvFtn-E130A variant loaded with 16Fe/24-mer. The spectra (vertical bars) were recorded at 4.2 K in a parallel field of 50 mT (A) or 8 T (B). The solid line in A is a simulation of a quadrupole doublet with parameters ΔEQ = 2.93 mm/s and δ = 1.32 mm/s. For comparison with known carboxylate-bridged diferrous proteins, the Mössbauer spectra of reduced Methylococus MMOH (blue line) and BfMf loaded with 21Fe/24-mer (red line) recorded under the same experimental conditions are overlaid with the spectrum of DvFtn in B.