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Delta T 14/Delta D 15 Azotobacter vinelandii ferredoxin I: creation of a new CysXXCysXXCys motif that ligates a [4Fe-4S] cluster.

Abstract:

In clostridial-type ferredoxins, each of the two [4Fe-4S]2+/+ clusters receives three of its four ligands from a CysXXCysXXCys motif. Azotobacter vinelandii ferredoxin I (AvFdI) is a seven-iron ferredoxin that contains one [4Fe-4S]2+/+ cluster and one [3Fe-4S]+/0 cluster. During the evolution of the 7Fe azotobacter-type ferredoxins from the 8Fe clostridial-type ferredoxins, one of the two motifs present changed to a CysXXCysXXXXCys motif, resulting in the inability to form a 4Fe cluster and t...

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Publication status:
Published

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Publisher copy:
10.1021/bi9810499

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Journal:
Biochemistry
Volume:
37
Issue:
37
Pages:
12829-12837
Publication date:
1998-09-05
DOI:
EISSN:
1520-4995
ISSN:
0006-2960
URN:
uuid:9c034804-e269-4056-bf29-f472bdce27fa
Source identifiers:
36726
Local pid:
pubs:36726

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