1fd2

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{{STRUCTURE_1fd2| PDB=1fd2 | SCENE= }}
{{STRUCTURE_1fd2| PDB=1fd2 | SCENE= }}
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'''SITE-DIRECTED MUTAGENESIS OF AZOTOBACTER VINELANDII FERREDOXIN I. (FE-S) CLUSTER-DRIVEN PROTEIN REARRANGEMENT'''
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===SITE-DIRECTED MUTAGENESIS OF AZOTOBACTER VINELANDII FERREDOXIN I. (FE-S) CLUSTER-DRIVEN PROTEIN REARRANGEMENT===
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==Overview==
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Azotobacter vinelandii ferredoxin I is a small protein that contains one [4Fe-4S] cluster and one [3Fe-4S] cluster. Recently the x-ray crystal structure has been redetermined and the fdxA gene, which encodes the protein, has been cloned and sequenced. Here we report the site-directed mutation of Cys-20, which is a ligand of the [4Fe-4S] cluster in the native protein, to alanine and the characterization of the protein product by x-ray crystallographic and spectroscopic methods. The data show that the mutant protein again contains one [4Fe-4S] cluster and one [3Fe-4S] cluster. The new [4Fe-4S] cluster obtains its fourth ligand from Cys-24, a free cysteine in the native structure. The formation of this [4Fe-4S] cluster drives rearrangement of the protein structure.
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(as it appears on PubMed at http://www.pubmed.gov), where 2153958 is the PubMed ID number.
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{{ABSTRACT_PUBMED_2153958}}
==About this Structure==
==About this Structure==
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[[Category: Single protein]]
[[Category: Single protein]]
[[Category: Stout, C D.]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 16:11:24 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 03:04:19 2008''

Revision as of 00:04, 1 July 2008

Image:1fd2.png

Template:STRUCTURE 1fd2

SITE-DIRECTED MUTAGENESIS OF AZOTOBACTER VINELANDII FERREDOXIN I. (FE-S) CLUSTER-DRIVEN PROTEIN REARRANGEMENT

Template:ABSTRACT PUBMED 2153958

About this Structure

1FD2 is a Single protein structure of sequence from Azotobacter vinelandii. Full crystallographic information is available from OCA.

Reference

Site-directed mutagenesis of Azotobacter vinelandii ferredoxin I: [Fe-S] cluster-driven protein rearrangement., Martin AE, Burgess BK, Stout CD, Cash VL, Dean DR, Jensen GM, Stephens PJ, Proc Natl Acad Sci U S A. 1990 Jan;87(2):598-602. PMID:2153958

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