HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Huynh, B. H. Articles by Munck, E. Search for Related Content PubMed PubMed Citation Articles by Huynh, B. H. Articles by Munck, E. Social Bookmarking                      What's this?

J. Biol. Chem., Vol. 255, Issue 8, 3242-3244, 04, 1980

Evidence for a three-iron center in a ferredoxin from Desulfovibrio gigas. Mossbauer and EPR studies

BH Huynh, JJ Moura, I Moura, TA Kent, J LeGall, AV Xavier and E Munck

The tetrameric form of a Desulfovibrio gigas ferredoxin, named Fd II, mediates electron transfer between cytochrome c3 and sulfite reductase. We have studied two stable oxidation states of this protein with Mossbauer spectroscopy and electron paramagnetic resonance. We found 3 iron atoms/monomer and a spin concentration of 0.9 spins/monomer for the oxidized protein. Taken together, the EPR and Mossbauer data demonstrate conclusively the presence of a spin-coupled structure containing 3 iron atoms and labile sulfur. The Mossbauer data show also that this metal center is structurally similar, if not identical, with the low potential center of a ferredoxin from Azotobacter vinelandii, a novel cluster described recently (Emptage, M.H., Kent, T.A., Huynh, B.H., Rawlings, J., Orme-Johnson, W.H., and Munck, E. (1980) J. Biol. Chem. 255, 1793-1796).
CiteULike    Complore    Connotea    Del.icio.us    Digg    Reddit    Technorati    What's this?

This article has been cited by other articles:

				P. Hanzelmann, H. L. Hernandez, C. Menzel, R. Garcia-Serres, B. H. Huynh, M. K. Johnson, R. R. Mendel, and H. Schindelin Characterization of MOCS1A, an Oxygen-sensitive Iron-Sulfur Protein Involved in Human Molybdenum Cofactor Biosynthesis J. Biol. Chem., August 13, 2004; 279(33): 34721 - 34732. [Abstract] [Full Text] [PDF]

				M. Meuwly and M. Karplus Theoretical Investigations on Azotobacter vinelandii Ferredoxin I: Effects of Electron Transfer on Protein Dynamics Biophys. J., April 1, 2004; 86(4): 1987 - 2007. [Abstract] [Full Text] [PDF]