1ass: Difference between revisions

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


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{{STRUCTURE_1ass|  PDB=1ass  |  SCENE=  }}  
{{STRUCTURE_1ass|  PDB=1ass  |  SCENE=  }}  


'''APICAL DOMAIN OF THE CHAPERONIN FROM THERMOPLASMA ACIDOPHILUM'''
===APICAL DOMAIN OF THE CHAPERONIN FROM THERMOPLASMA ACIDOPHILUM===




==Overview==
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The crystal structure of the substrate binding domain of the thermosome, the archaeal group II chaperonin, has been determined at 2.3 A resolution. The core resembles the apical domain of GroEL but lacks the hydrophobic residues implied in binding of substrates to group I chaperonins. Rather, a large hydrophobic surface patch is found in a novel helix-turn-helix motif, which is characteristic of all group II chaperonins including the eukaryotic TRiC/CCT complex. Models of the holochaperonin, which are consistent with cryo electron microscopy data, suggest a dual role of this helical protrusion in substrate binding and controlling access to the central cavity independent of a GroES-like cochaperonin.
The line below this paragraph, {{ABSTRACT_PUBMED_9346243}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_9346243}}


==About this Structure==
==About this Structure==
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[[Category: Thermoplasma acidophilum]]
[[Category: Thermoplasma acidophilum]]
[[Category: Thermosome]]
[[Category: Thermosome]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 10:39:21 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 17:31:50 2008''
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