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Media type:
E-Article
Title:
Study of an Oxygenated Heme Complex in Frozen Solution by Mössbauer Emission Spectroscopy
Contributor:
Marchant, Linda;
Sharrock, Michael;
Hoffman, Brian M.;
Münck, Eckard
Published:
Proceedings of the National Academy of Sciences, 1972
Published in:
Proceedings of the National Academy of Sciences, 69 (1972) 9, Seite 2396-2399
Language:
English
DOI:
10.1073/pnas.69.9.2396
ISSN:
0027-8424;
1091-6490
Origination:
Footnote:
Description:
We have used Mössbauer emission spectroscopy to study an oxygenated heme complex, produced in a frozen solution by nuclear decay from the isomorphous 57 Co-labeled compound. The Mössbauer parameters agree with those obtained by Mössbauer absorption spectroscopy of oxyhemoglobin. Thus, a nonprotein environment for iron can duplicate the unique oxyhemoglobin Mössbauer spectrum. The electronic structure of the heme iron in oxyhemoglobin is not significantly influenced by the protein environment. Mössbauer emission spectroscopy can be useful in the investigation of heme proteins.