1g5p

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[[Image:1g5p.jpg|left|200px]]<br /><applet load="1g5p" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:1g5p.jpg|left|200px]]
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caption="1g5p, resolution 2.2&Aring;" />
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'''NITROGENASE IRON PROTEIN FROM AZOTOBACTER VINELANDII'''<br />
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{{Structure
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|PDB= 1g5p |SIZE=350|CAPTION= <scene name='initialview01'>1g5p</scene>, resolution 2.2&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=SF4:IRON/SULFUR CLUSTER'>SF4</scene>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Nitrogenase Nitrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.18.6.1 1.18.6.1]
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|GENE=
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}}
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'''NITROGENASE IRON PROTEIN FROM AZOTOBACTER VINELANDII'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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1G5P is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Azotobacter_vinelandii Azotobacter vinelandii] with <scene name='pdbligand=SF4:'>SF4</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Active as [http://en.wikipedia.org/wiki/Nitrogenase Nitrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.18.6.1 1.18.6.1] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1G5P OCA].
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1G5P is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Azotobacter_vinelandii Azotobacter vinelandii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1G5P OCA].
==Reference==
==Reference==
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Crystal structure of the all-ferrous [4Fe-4S]0 form of the nitrogenase iron protein from Azotobacter vinelandii., Strop P, Takahara PM, Chiu H, Angove HC, Burgess BK, Rees DC, Biochemistry. 2001 Jan 23;40(3):651-6. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=11170381 11170381]
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Crystal structure of the all-ferrous [4Fe-4S]0 form of the nitrogenase iron protein from Azotobacter vinelandii., Strop P, Takahara PM, Chiu H, Angove HC, Burgess BK, Rees DC, Biochemistry. 2001 Jan 23;40(3):651-6. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11170381 11170381]
[[Category: Azotobacter vinelandii]]
[[Category: Azotobacter vinelandii]]
[[Category: Nitrogenase]]
[[Category: Nitrogenase]]
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[[Category: iron protein]]
[[Category: iron protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 12:46:23 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 11:18:31 2008''

Revision as of 09:18, 20 March 2008


PDB ID 1g5p

Drag the structure with the mouse to rotate
, resolution 2.2Å
Ligands:
Activity: Nitrogenase, with EC number 1.18.6.1
Coordinates: save as pdb, mmCIF, xml



NITROGENASE IRON PROTEIN FROM AZOTOBACTER VINELANDII


Overview

The structure of the nitrogenase iron protein from Azotobacter vinelandii in the all-ferrous [4Fe-4S](0) form has been determined to 2.25 A resolution by using the multiwavelength anomalous diffraction (MAD) phasing technique. The structure demonstrates that major conformational changes are not necessary either in the iron protein or in the cluster to accommodate cluster reduction to the [4Fe-4S](0) oxidation state. A survey of [4Fe-4S] clusters coordinated by four cysteine ligands in proteins of known structure reveals that the [4Fe-4S] cluster of the iron protein has the largest accessible surface area, suggesting that solvent exposure may be relevant to the ability of the iron protein to exist in three oxidation states.

About this Structure

1G5P is a Single protein structure of sequence from Azotobacter vinelandii. Full crystallographic information is available from OCA.

Reference

Crystal structure of the all-ferrous [4Fe-4S]0 form of the nitrogenase iron protein from Azotobacter vinelandii., Strop P, Takahara PM, Chiu H, Angove HC, Burgess BK, Rees DC, Biochemistry. 2001 Jan 23;40(3):651-6. PMID:11170381

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