Dwivedi A, Toscano WA, Debrunner PG. Mössbauer studies of cytochrome c-551. Intrinsic heterogeneity related to g-strain.
BIOCHIMICA ET BIOPHYSICA ACTA 1979;
576:502-8. [PMID:
218635 DOI:
10.1016/0005-2795(79)90425-2]
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Abstract
The Mössbauer spectra of oxidized and reduced cytochrome c-551 from Pseudomonas aeruginosa are analyzed. Excess broadening is observed in the 4.2 K spectra of oxidized c-551 which is consistent with a Gaussian distribution of the crystal field parameters delta and R as inferred from the g-strain model of EPR line shapes.
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