1ffy

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<StructureSection load='1ffy' size='340' side='right'caption='[[1ffy]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
<StructureSection load='1ffy' size='340' side='right'caption='[[1ffy]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1ffy]] is a 2 chain structure. The April 2001 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Aminoacyl-tRNA Synthetases'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2001_4 10.2210/rcsb_pdb/mom_2001_4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FFY OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1FFY FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1ffy]] is a 2 chain structure. The April 2001 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Aminoacyl-tRNA Synthetases'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2001_4 10.2210/rcsb_pdb/mom_2001_4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FFY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FFY FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MRC:MUPIROCIN'>MRC</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MRC:MUPIROCIN'>MRC</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1qu2|1qu2]], [[1qu3|1qu3]]</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1qu2|1qu2]], [[1qu3|1qu3]]</div></td></tr>
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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/Isoleucine--tRNA_ligase Isoleucine--tRNA ligase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.1.1.5 6.1.1.5] </span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Isoleucine--tRNA_ligase Isoleucine--tRNA ligase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.1.1.5 6.1.1.5] </span></td></tr>
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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=1ffy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ffy OCA], [http://pdbe.org/1ffy PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1ffy RCSB], [http://www.ebi.ac.uk/pdbsum/1ffy PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1ffy ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1ffy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ffy OCA], [https://pdbe.org/1ffy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ffy RCSB], [https://www.ebi.ac.uk/pdbsum/1ffy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ffy ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/SYI1_STAAU SYI1_STAAU]] Catalyzes the attachment of isoleucine to tRNA(Ile). As IleRS can inadvertently accommodate and process structurally similar amino acids such as valine, to avoid such errors it has two additional distinct tRNA(Ile)-dependent editing activities. One activity is designated as 'pretransfer' editing and involves the hydrolysis of activated Val-AMP. The other activity is designated 'posttransfer' editing and involves deacylation of mischarged Val-tRNA(Ile) (By similarity).
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[[https://www.uniprot.org/uniprot/SYI1_STAAU SYI1_STAAU]] Catalyzes the attachment of isoleucine to tRNA(Ile). As IleRS can inadvertently accommodate and process structurally similar amino acids such as valine, to avoid such errors it has two additional distinct tRNA(Ile)-dependent editing activities. One activity is designated as 'pretransfer' editing and involves the hydrolysis of activated Val-AMP. The other activity is designated 'posttransfer' editing and involves deacylation of mischarged Val-tRNA(Ile) (By similarity).
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]

Revision as of 07:04, 24 March 2021

INSIGHTS INTO EDITING FROM AN ILE-TRNA SYNTHETASE STRUCTURE WITH TRNA(ILE) AND MUPIROCIN

PDB ID 1ffy

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