1wrd: Difference between revisions

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


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{{STRUCTURE_1wrd|  PDB=1wrd  |  SCENE=  }}  
{{STRUCTURE_1wrd|  PDB=1wrd  |  SCENE=  }}  


'''Crystal structure of Tom1 GAT domain in complex with ubiquitin'''
===Crystal structure of Tom1 GAT domain in complex with ubiquitin===




==Overview==
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Tom1 (Target of Myb1) is suggested to be involved in the transport of ubiquitinated proteins, through the interaction of its GAT (GGA and Tom1) domain with ubiquitin. Here, we demonstrate that the three-helix bundle of Tom1-GAT has two ubiquitin-binding sites recognizing the hydrophobic Ile44 surface of ubiquitin. The complex crystal structure demonstrates that the first site is a hydrophobic patch on helices alpha1 and alpha2. NMR and biochemical data revealed that the N-terminal half of helix alpha3 of Tom1-GAT constitutes the second, stronger binding site. The double-sided ubiquitin binding enhances the efficiency of recognition of ubiquitinated proteins by Tom1.
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{{ABSTRACT_PUBMED_16199040}}


==About this Structure==
==About this Structure==
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[[Category: Three-helix bundle]]
[[Category: Three-helix bundle]]
[[Category: Ubiquitin-binding protein]]
[[Category: Ubiquitin-binding protein]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 14:02:45 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 14:16:15 2008''
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