2vkr: Difference between revisions

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[[Image:2vkr.jpg|left|200px]]
{{Seed}}
[[Image:2vkr.png|left|200px]]


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{{STRUCTURE_2vkr|  PDB=2vkr  |  SCENE=  }}  
{{STRUCTURE_2vkr|  PDB=2vkr  |  SCENE=  }}  


'''3FE-4S, 4FE-4S PLUS ZN ACIDIANUS AMBIVALENS FERREDOXIN'''
===3FE-4S, 4FE-4S PLUS ZN ACIDIANUS AMBIVALENS FERREDOXIN===




==Overview==
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Detailed structural models of di-cluster seven-iron ferredoxins constitute a valuable resource for folding and stability studies relating the metal cofactors' role in protein stability. The here reported, hemihedric twinned crystal structure at 2.0A resolution from Acidianus ambivalens ferredoxin, shows an integral 103 residues, physiologically relevant native form composed by a N-terminal extension comprising a His/Asp Zn(2+) site and the ferredoxin (betaalphabeta)(2) core, which harbours intact clusters I and II, a [3Fe-4S](1+/0) and a [4Fe-4S](2+/1+) centres. This is in contrast with the previously available ferredoxin structure from Sulfolofus tokodai, which was obtained from an artificial oxidative conversion with two [3Fe-4S](1+/0) centres and poor definition around cluster II.
The line below this paragraph, {{ABSTRACT_PUBMED_18258200}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_18258200}}


==About this Structure==
==About this Structure==
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==Reference==
==Reference==
Crystallographic analysis of the intact metal centres [3Fe-4S](1+/0) and [4Fe-4S](2+/1+) in a Zn(2+)-containing ferredoxin., Frazao C, Aragao D, Coelho R, Leal SS, Gomes CM, Teixeira M, Carrondo MA, FEBS Lett. 2008 Mar 5;582(5):763-7. Epub 2008 Feb 5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/18258200 18258200]
Crystallographic analysis of the intact metal centres [3Fe-4S](1+/0) and [4Fe-4S](2+/1+) in a Zn(2+)-containing ferredoxin., Frazao C, Aragao D, Coelho R, Leal SS, Gomes CM, Teixeira M, Carrondo MA, FEBS Lett. 2008 Mar 5;582(5):763-7. Epub 2008 Feb 5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/18258200 18258200]
A spectroscopic study of the temperature induced modifications on ferredoxin folding and iron-sulfur moieties., Todorovic S, Leal SS, Salgueiro CA, Zebger I, Hildebrandt P, Murgida DH, Gomes CM, Biochemistry. 2007 Sep 18;46(37):10733-8. Epub 2007 Aug 16. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17696500 17696500]
Natural domain design: enhanced thermal stability of a zinc-lacking ferredoxin isoform shows that a hydrophobic core efficiently replaces the structural metal site., Rocha R, Leal SS, Teixeira VH, Regalla M, Huber H, Baptista AM, Soares CM, Gomes CM, Biochemistry. 2006 Aug 29;45(34):10376-84. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16922514 16922514]
A seven-iron ferredoxin from the thermoacidophilic archaeon Desulfurolobus ambivalens., Teixeira M, Batista R, Campos AP, Gomes C, Mendes J, Pacheco I, Anemuller S, Hagen WR, Eur J Biochem. 1995 Jan 15;227(1-2):322-7. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7851403 7851403]
[[Category: Acidianus ambivalens]]
[[Category: Acidianus ambivalens]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: Zinc]]
[[Category: Zinc]]
[[Category: Zn center]]
[[Category: Zn center]]
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Revision as of 02:19, 29 July 2008

File:2vkr.png

Template:STRUCTURE 2vkr

3FE-4S, 4FE-4S PLUS ZN ACIDIANUS AMBIVALENS FERREDOXIN

Template:ABSTRACT PUBMED 18258200

About this Structure

2VKR is a Single protein structure of sequence from Acidianus ambivalens. Full crystallographic information is available from OCA.

Reference

Crystallographic analysis of the intact metal centres [3Fe-4S](1+/0) and [4Fe-4S](2+/1+) in a Zn(2+)-containing ferredoxin., Frazao C, Aragao D, Coelho R, Leal SS, Gomes CM, Teixeira M, Carrondo MA, FEBS Lett. 2008 Mar 5;582(5):763-7. Epub 2008 Feb 5. PMID:18258200

A spectroscopic study of the temperature induced modifications on ferredoxin folding and iron-sulfur moieties., Todorovic S, Leal SS, Salgueiro CA, Zebger I, Hildebrandt P, Murgida DH, Gomes CM, Biochemistry. 2007 Sep 18;46(37):10733-8. Epub 2007 Aug 16. PMID:17696500

Natural domain design: enhanced thermal stability of a zinc-lacking ferredoxin isoform shows that a hydrophobic core efficiently replaces the structural metal site., Rocha R, Leal SS, Teixeira VH, Regalla M, Huber H, Baptista AM, Soares CM, Gomes CM, Biochemistry. 2006 Aug 29;45(34):10376-84. PMID:16922514

A seven-iron ferredoxin from the thermoacidophilic archaeon Desulfurolobus ambivalens., Teixeira M, Batista R, Campos AP, Gomes C, Mendes J, Pacheco I, Anemuller S, Hagen WR, Eur J Biochem. 1995 Jan 15;227(1-2):322-7. PMID:7851403

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