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  • Title: Amino acid sequence of the [4Fe-4S] ferredoxin isolated from Desulfovibrio desulfuricans Norway.
    Author: Bruschi MH, Guerlesquin FA, Bovier-Lapierre GE, Bonicel JJ, Couchoud PM.
    Journal: J Biol Chem; 1985 Jul 15; 260(14):8292-6. PubMed ID: 4008492.
    Abstract:
    The complete amino acid sequence of the [4Fe-4S] ferredoxin from Desulfovibrio desulfuricans Norway was determined by repetitive Edman degradation of the whole protein and peptides derived from tryptic digestion. The protein has 59 residues. Four of the six cysteine residues are involved in the binding of the [4Fe-4S] cluster in the same arrangement as in clostridial ferredoxins. This sequence is compared to various Desulfovibrio ferredoxin sequences and to the sequence and three-dimensional structure of Peptococcus aerogenes ferredoxin. Evidence of gene duplication is indicated. The requirement of some sequence features in the ferredoxin for an interaction process with its electron transfer partner, cytochrome c3, is postulated in the discussion.
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