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. Author manuscript; available in PMC: 2015 Apr 9.
Published in final edited form as: Chem Rev. 2014 Mar 3;114(7):3659–3853. doi: 10.1021/cr400327t

Figure 54.

Figure 54

The EPR spectra of the half-met spectral probe of mollusc Hc (Busycon canaliculatum) directly probes geometric changes at the active site when the oxygenation state of the adjacent subunits is altered.