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4wj3

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'''Unreleased structure'''
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==structure of protein-tRNA complex==
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<StructureSection load='4wj3' size='340' side='right' caption='[[4wj3]], [[Resolution|resolution]] 3.71&Aring;' scene=''>
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The entry 4wj3 is ON HOLD until Paper Publication
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4wj3]] is a 20 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4WJ3 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4WJ3 FirstGlance]. <br>
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Authors: Suzuki, T., Nakamura, A., Kato, K., Tanaka, I., Yao, M.
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</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=UNK:UNKNOWN'>UNK</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4wj4|4wj4]]</td></tr>
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Description: structure of protein-tRNA complex
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutaminyl-tRNA_synthase_(glutamine-hydrolyzing) Glutaminyl-tRNA synthase (glutamine-hydrolyzing)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.5.7 6.3.5.7] </span></td></tr>
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[[Category: Unreleased Structures]]
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4wj3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4wj3 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4wj3 RCSB], [http://www.ebi.ac.uk/pdbsum/4wj3 PDBsum]</span></td></tr>
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[[Category: Tanaka, I]]
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</table>
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[[Category: Yao, M]]
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== Function ==
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[[http://www.uniprot.org/uniprot/SYDND_PSEAE SYDND_PSEAE]] Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Is 1.5 times more efficient at aminoacylating E.coli tRNA(Asp) over tRNA(Asn). Reaction proceeds in two steps: aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn).<ref>PMID:16352843</ref> [[http://www.uniprot.org/uniprot/GATA_PSEAE GATA_PSEAE]] Allows the formation of correctly charged Gln-tRNA(Gln) through the transamidation of misacylated Glu-tRNA(Gln) in organisms which lack glutaminyl-tRNA synthetase. The reaction takes place in the presence of glutamine and ATP through an activated gamma-phospho-Glu-tRNA(Gln). [[http://www.uniprot.org/uniprot/GATC_PSEAE GATC_PSEAE]] Allows the formation of correctly charged Asn-tRNA(Asn) or Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn) or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl-tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the presence of glutamine and ATP through an activated phospho-Asp-tRNA(Asn) or phospho-Glu-tRNA(Gln). [[http://www.uniprot.org/uniprot/GATB_PSEAE GATB_PSEAE]] Allows the formation of correctly charged Asn-tRNA(Asn) or Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn) or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl-tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the presence of glutamine and ATP through an activated phospho-Asp-tRNA(Asn) or phospho-Glu-tRNA(Gln).
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Kato, K]]
[[Category: Kato, K]]
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[[Category: Suzuki, T]]
 
[[Category: Nakamura, A]]
[[Category: Nakamura, A]]
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[[Category: Suzuki, T]]
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[[Category: Tanaka, I]]
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[[Category: Yao, M]]
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[[Category: Aminoacyl-trna synthetase]]
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[[Category: Gatcab]]
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[[Category: Transamidosome]]
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[[Category: Trna]]

Revision as of 14:56, 31 December 2014

structure of protein-tRNA complex

4wj3, resolution 3.71Å

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