Y13C Azotobacter vinelandii ferredoxin I. A designed [Fe-S] ligand motif contains a cysteine persulfide.
Kemper, M.A., Stout, C.D., Lloyd, S.J., Prasad, G.S., Fawcett, S.E., Armstrong, F.A., Shen, B., Burgess, B.K.(1997) J Biol Chem 272: 15620-15627
- PubMed: 9188450 
- DOI: 10.1074/jbc.272.25.15620
- Primary Citation of Related Structures:  
1FTC - PubMed Abstract: 
Ferredoxins that contain [4Fe-4S]2+/+ clusters often obtain three of their four cysteine ligands from a highly conserved CysXXCysXXCys sequence motif. Little is known about the in vivo assembly of these clusters and the role that this sequence motif plays in that process ...