Substitution reactions which proceed via radical anion intermediates. 24. Electron-transfer chain-substitution reactions of ambident anions

1980 ◽  
Vol 45 (26) ◽  
pp. 5294-5298 ◽  
Author(s):  
Nathan Kornblum ◽  
Peter Ackermann ◽  
R. T. Swiger
Keyword(s):  
Electron Transfer ◽  
Radical Anion ◽  
Substitution Reactions ◽  
Electron Transfer Chain ◽  
Ambident Anions ◽  
Transfer Chain

The redox behaviour of the cluster anion [Fe4N(CO)12]−. Electron transfer chain catalytic substitution reactions. Crystal structure of [Fe4N(CO)11PPh3)]−

1994 ◽  
Vol 226 (1-2) ◽  
pp. 1-8 ◽  
Author(s):  
Piero Zanello ◽  
Franco Laschi ◽  
Arnaldo Cinquantini ◽  
Roberto Della Pergola ◽  
Luigi Garlaschelli ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Electron Transfer ◽  
Cluster Anion ◽  
Substitution Reactions ◽  
Electron Transfer Chain ◽  
Redox Behaviour ◽  
Transfer Chain

scholarly journals Characterization of P450 FcpC, the Enzyme Responsible for Bioconversion of Diosgenone to Isonuatigenone in Streptomyces virginiae IBL-14

2009 ◽  
Vol 75 (12) ◽  
pp. 4202-4205 ◽  
Author(s):  
Wei Wang ◽  
Feng-Qing Wang ◽  
Dong-Zhi Wei
Keyword(s):  
Escherichia Coli ◽  
Electron Transfer ◽  
Cytochrome P450 ◽  
Cytochrome P450 Monooxygenase ◽  
P450 Monooxygenase ◽  
Whole Cell ◽  
Electron Transfer Chain ◽  
Streptomyces Virginiae ◽  
Transfer Chain

ABSTRACT A new cytochrome P450 monooxygenase, FcpC, from Streptomyces virginiae IBL-14 has been identified. This enzyme is found to be responsible for the bioconversion of a pyrano-spiro steroid (diosgenone) to a rare nuatigenin-type spiro steroid (isonuatigenone), which is a novel C-25-hydroxylated diosgenone derivative. A whole-cell P450 system was developed for the production of isonuatigenone via the expression of the complete three-component electron transfer chain in an Escherichia coli strain.

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