1gtr: Difference between revisions

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[[Image:1gtr.jpg|left|200px]]
[[Image:1gtr.png|left|200px]]


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==Overview==
{{ABSTRACT_1857417}}
The refined crystal structure of Escherichia coli glutaminyl transfer RNA synthetase complexed with transfer RNA(Gln) and ATP reveals that the structure of the anticodon loop of the enzyme-bound tRNA(Gln) differs extensively from that of the known crystal structures of uncomplexed tRNA molecules. The anticodon stem is extended by two non-Watson-Crick base pairs, leaving the three anti-codon bases unpaired and splayed out to bind snugly into three separate complementary pockets in the protein. These interactions suggest that the entire anticodon loop provides essential sites for glutaminyl tRNA synthetase discrimination among tRNA molecules.


==About this Structure==
==About this Structure==
1GTR is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. The following page contains interesting information on the relation of 1GTR with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb16_1.html Aminoacyl-tRNA Synthetases]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GTR OCA].  
1GTR is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. The following page contains interesting information on the relation of 1GTR with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb16_1.html Aminoacyl-tRNA Synthetases]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GTR OCA].  
==Reference==
Structural basis of anticodon loop recognition by glutaminyl-tRNA synthetase., Rould MA, Perona JJ, Steitz TA, Nature. 1991 Jul 18;352(6332):213-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/1857417 1857417]
[[Category: Aminoacyl-tRNA Synthetases]]
[[Category: Aminoacyl-tRNA Synthetases]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Rould, M A.]]
[[Category: Rould, M A.]]
[[Category: Steitz, T A.]]
[[Category: Steitz, T A.]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jun 26 17:26:36 2008''

Revision as of 14:26, 26 June 2008

File:1gtr.png

Template:STRUCTURE 1gtr

STRUCTURAL BASIS OF ANTICODON LOOP RECOGNITION BY GLUTAMINYL-TRNA SYNTHETASE


Template:ABSTRACT 1857417

About this Structure

1GTR is a Single protein structure of sequence from Escherichia coli. The following page contains interesting information on the relation of 1GTR with [Aminoacyl-tRNA Synthetases]. Full crystallographic information is available from OCA.

Page seeded by OCA on Thu Jun 26 17:26:36 2008

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