1sum: Difference between revisions

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[[Image:1sum.gif|left|200px]]
{{Seed}}
[[Image:1sum.png|left|200px]]


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{{STRUCTURE_1sum|  PDB=1sum  |  SCENE=  }}  
{{STRUCTURE_1sum|  PDB=1sum  |  SCENE=  }}  


'''Crystal structure of a hypothetical protein at 2.0 A resolution'''
===Crystal structure of a hypothetical protein at 2.0 A resolution===




==Overview==
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PhoU proteins are known to play a role in the regulation of phosphate uptake. In Thermotoga maritima, two PhoU homologues have been identified bioinformatically. Here we report the crystal structure of one of the PhoU homologues at 2.0 A resolution. The structure of the PhoU protein homologue contains a highly symmetric new structural fold composed of two repeats of a three-helix bundle. The structure unexpectedly revealed a trinuclear and a tetranuclear iron cluster that were found to be bound on the surface. Each of the two multinuclear iron clusters is coordinated by a conserved E(D)XXXD motif pair. Our structure reveals a new class of metalloprotein containing multinuclear iron clusters. The possible functional implication based on the structure are discussed.
The line below this paragraph, {{ABSTRACT_PUBMED_15716271}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_15716271}}


==About this Structure==
==About this Structure==
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[[Category: Structural genomic]]
[[Category: Structural genomic]]
[[Category: Structure funded by nih]]
[[Category: Structure funded by nih]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 09:09:07 2008''
 
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