Oxidation state of binuclear iron site in azidosemimethemerythrin

Jens Martinsen*, Michael J. Irwin, Pui Shing Ho, Brian M. Hoffman, Irving M. Klotz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Electron paramagnetic resonance spectra of azidosemimethemerythrin (from Phascolopsis gouldii) have been integrated to find the total number of spins per monomer unit. The value observed, 1.0 ± 0.1 spins per Fe2 pair, confirms the assignment of a hybrid oxidation state, FeIIFeIII, to each site.

Original languageEnglish (US)
Pages (from-to)954-956
Number of pages3
JournalBiochemical and Biophysical Research Communications
Issue number3
StatePublished - May 16 1983

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology


Dive into the research topics of 'Oxidation state of binuclear iron site in azidosemimethemerythrin'. Together they form a unique fingerprint.

Cite this