1a6d

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[[Image:1a6d.gif|left|200px]]
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{{STRUCTURE_1a6d| PDB=1a6d | SCENE= }}
{{STRUCTURE_1a6d| PDB=1a6d | SCENE= }}
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'''THERMOSOME FROM T. ACIDOPHILUM'''
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===THERMOSOME FROM T. ACIDOPHILUM===
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==Overview==
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We have determined to 2.6 A resolution the crystal structure of the thermosome, the archaeal group II chaperonin from T. acidophilum. The hexadecameric homolog of the eukaryotic chaperonin CCT/TRiC shows an (alphabeta)4(alphabeta)4 subunit assembly. Domain folds are homologous to GroEL but form a novel type of inter-ring contact. The domain arrangement resembles the GroEL-GroES cis-ring. Parts of the apical domains form a lid creating a closed conformation. The lid substitutes for a GroES-like cochaperonin that is absent in the CCT/TRiC system. The central cavity has a polar surface implicated in protein folding. Binding of the transition state analog Mg-ADP-AIF3 suggests that the closed conformation corresponds to the ATP form.
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(as it appears on PubMed at http://www.pubmed.gov), where 9546398 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9546398}}
==About this Structure==
==About this Structure==
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[[Category: Thermoplasma acidophilum]]
[[Category: Thermoplasma acidophilum]]
[[Category: Tric]]
[[Category: Tric]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 09:52:53 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 16:14:18 2008''

Revision as of 13:14, 30 June 2008

Template:STRUCTURE 1a6d

THERMOSOME FROM T. ACIDOPHILUM

Template:ABSTRACT PUBMED 9546398

About this Structure

1A6D is a Protein complex structure of sequences from Thermoplasma acidophilum. Full crystallographic information is available from OCA.

Reference

Crystal structure of the thermosome, the archaeal chaperonin and homolog of CCT., Ditzel L, Lowe J, Stock D, Stetter KO, Huber H, Huber R, Steinbacher S, Cell. 1998 Apr 3;93(1):125-38. PMID:9546398

Page seeded by OCA on Mon Jun 30 16:14:18 2008

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