1i95

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{{STRUCTURE_1i95| PDB=1i95 | SCENE= }}
{{STRUCTURE_1i95| PDB=1i95 | SCENE= }}
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'''CRYSTAL STRUCTURE OF THE 30S RIBOSOMAL SUBUNIT FROM THERMUS THERMOPHILUS IN COMPLEX WITH EDEINE'''
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===CRYSTAL STRUCTURE OF THE 30S RIBOSOMAL SUBUNIT FROM THERMUS THERMOPHILUS IN COMPLEX WITH EDEINE===
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==Overview==
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The small ribosomal subunit is responsible for the decoding of genetic information and plays a key role in the initiation of protein synthesis. We analyzed by X-ray crystallography the structures of three different complexes of the small ribosomal subunit of Thermus thermophilus with the A-site inhibitor tetracycline, the universal initiation inhibitor edeine and the C-terminal domain of the translation initiation factor IF3. The crystal structure analysis of the complex with tetracycline revealed the functionally important site responsible for the blockage of the A-site. Five additional tetracycline sites resolve most of the controversial biochemical data on the location of tetracycline. The interaction of edeine with the small subunit indicates its role in inhibiting initiation and shows its involvement with P-site tRNA. The location of the C-terminal domain of IF3, at the solvent side of the platform, sheds light on the formation of the initiation complex, and implies that the anti-association activity of IF3 is due to its influence on the conformational dynamics of the small ribosomal subunit.
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{{ABSTRACT_PUBMED_11296217}}
==About this Structure==
==About this Structure==
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[[Category: Antibiotic]]
[[Category: Antibiotic]]
[[Category: Edeine]]
[[Category: Edeine]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 19:43:35 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 10:36:35 2008''

Revision as of 07:36, 1 July 2008

Image:1i95.png

Template:STRUCTURE 1i95

CRYSTAL STRUCTURE OF THE 30S RIBOSOMAL SUBUNIT FROM THERMUS THERMOPHILUS IN COMPLEX WITH EDEINE

Template:ABSTRACT PUBMED 11296217

About this Structure

1I95 is a Protein complex structure of sequences from Thermus thermophilus. Full crystallographic information is available from OCA.

Reference

Crystal structures of complexes of the small ribosomal subunit with tetracycline, edeine and IF3., Pioletti M, Schlunzen F, Harms J, Zarivach R, Gluhmann M, Avila H, Bashan A, Bartels H, Auerbach T, Jacobi C, Hartsch T, Yonath A, Franceschi F, EMBO J. 2001 Apr 17;20(8):1829-39. PMID:11296217

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