2qgi: Difference between revisions

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[[Image:2qgi.jpg|left|200px]]
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[[Image:2qgi.png|left|200px]]


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{{STRUCTURE_2qgi|  PDB=2qgi  |  SCENE=  }}  
{{STRUCTURE_2qgi|  PDB=2qgi  |  SCENE=  }}  


'''The UDP complex structure of the sixth gene product of the F1-ATPase operon of Rhodobacter blasticus'''
===The UDP complex structure of the sixth gene product of the F1-ATPase operon of Rhodobacter blasticus===




==Overview==
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The F(1)-ATP synthase atp operon in the proteobacterium Rhodobacter blasticus contains six open reading frames, encoding six hypothetical proteins. Five of these subunits, in the stoichiometry (alphabeta)(3)gammadeltavarepsilon make up the catalytic F(1)-ATP synthase complex similarly in bacteria, chloroplasts and mitochondria. The sixth gene of the R. blasticus atp operon, urf6, shows very little sequence homology to any protein of known structure or function. The gene has previously been cloned, the product (called majastridin) has been heterologously expressed in Escherichia coli, and purified to high homogeneity [M. Brosche, I. Kalbina, M. Arnfelt, G. Benito, B.G. Karlsson, A. Strid, Occurrence, overexpression and partial purification of the protein (majastridin) corresponding to the URF6 gene of the Rhodobacter blasticus atp operon, Eur. J. Biochem. 255 (1998) 87-92]. We have solved the X-ray crystal structure and refined a model of majastridin to atomic resolution. Here we present the crystal structures of apo-majastridin and the complex of majastridin with Mn(2+) and UDP and show that it has extensive structural similarity to glycosyltransferases (EC 2.4). This is the first structure determined from a new group of distantly related bacterial proteins of at least six members. They share the identical amino acids that bind Mn(2+) and a triplet of amino acids in the putative sugar-binding site.
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{{ABSTRACT_PUBMED_18067873}}


==About this Structure==
==About this Structure==
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[[Category: Rossmann fold]]
[[Category: Rossmann fold]]
[[Category: Udp-complex]]
[[Category: Udp-complex]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May  4 14:55:00 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 10:59:01 2008''

Revision as of 07:59, 28 July 2008

File:2qgi.png

Template:STRUCTURE 2qgi

The UDP complex structure of the sixth gene product of the F1-ATPase operon of Rhodobacter blasticus

Template:ABSTRACT PUBMED 18067873

About this Structure

2QGI is a Single protein structure of sequence from Rhodobacter blasticus. Full crystallographic information is available from OCA.

Reference

Crystal structure of a protein, structurally related to glycosyltransferases, encoded in the Rhodobacter blasticus atp operon., Enroth C, Strid A, Biochim Biophys Acta. 2008 Feb;1784(2):379-84. Epub 2007 Nov 19. PMID:18067873

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