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DIRECT ELECTROCHEMICAL OXIDATION OF CLOSTRIDIUM-PASTEURIANUM FERREDOXIN - IDENTIFICATION OF FACILE ELECTRON-TRANSFER PROCESSES RELEVANT TO CLUSTER DEGRADATION

Abstract:

Rapid oxidation processes relevant to the degradation of [4Fe4S] clusters in Clostridium pasteurianum ferredoxin were studied via direct (unmediated) heterogeneous electron transfer at a pyrolytic graphite electrode. Differential-pulse voltammograms of native [4Fe4S] ferredoxin showed two well-defined oxidation peaks corresponding to apparent E-values of +793 and +1120 mV at 5°C. Direct involvement of the cluster was established through parallel experiments with the 2[4Fe4Se] derivative for w...

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Publication status:
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Journal:
FEBS LETTERS More from this journal
Volume:
150
Issue:
1
Pages:
214-218
Publication date:
1982-01-01
DOI:
ISSN:
0014-5793
Language:
English
Keywords:
Pubs id:
pubs:42170
UUID:
uuid:0c9704f8-8f2b-4194-a474-d89d2c6a8173
Local pid:
pubs:42170
Source identifiers:
42170
Deposit date:
2013-11-17

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