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2bv3

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{{STRUCTURE_2bv3| PDB=2bv3 | SCENE= }}
{{STRUCTURE_2bv3| PDB=2bv3 | SCENE= }}
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'''CRYSTAL STRUCTURE OF A MUTANT ELONGATION FACTOR G TRAPPED WITH A GTP ANALOGUE'''
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===CRYSTAL STRUCTURE OF A MUTANT ELONGATION FACTOR G TRAPPED WITH A GTP ANALOGUE===
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==Overview==
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Elongation factor G (EF-G) is a G protein factor that catalyzes the translocation step in protein synthesis on the ribosome. Its GTP conformation in the absence of the ribosome is currently unknown. We present the structure of a mutant EF-G (T84A) in complex with the non-hydrolysable GTP analogue GDPNP. The crystal structure provides a first insight into conformational changes induced in EF-G by GTP. Comparison of this structure with that of EF-G in complex with GDP suggests that the GTP and GDP conformations in solution are very similar and that the major contribution to the active GTPase conformation, which is quite different, therefore comes from its interaction with the ribosome.
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(as it appears on PubMed at http://www.pubmed.gov), where 16083884 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16083884}}
==About this Structure==
==About this Structure==
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[[Category: Switch ii]]
[[Category: Switch ii]]
[[Category: Translation mutation thr84ala]]
[[Category: Translation mutation thr84ala]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:50:26 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 15:55:01 2008''

Revision as of 12:55, 28 July 2008

Image:2bv3.png

Template:STRUCTURE 2bv3

CRYSTAL STRUCTURE OF A MUTANT ELONGATION FACTOR G TRAPPED WITH A GTP ANALOGUE

Template:ABSTRACT PUBMED 16083884

About this Structure

2BV3 is a Single protein structure of sequence from Thermus thermophilus. Full crystallographic information is available from OCA.

Reference

Crystal structure of a mutant elongation factor G trapped with a GTP analogue., Hansson S, Singh R, Gudkov AT, Liljas A, Logan DT, FEBS Lett. 2005 Aug 15;579(20):4492-7. PMID:16083884

Page seeded by OCA on Mon Jul 28 15:55:01 2008

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