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4bvx

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<StructureSection load='4bvx' size='340' side='right'caption='[[4bvx]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
<StructureSection load='4bvx' size='340' side='right'caption='[[4bvx]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4bvx]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BVX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4BVX FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4bvx]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BVX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4BVX 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=I3C:5-AMINO-2,4,6-TRIIODOBENZENE-1,3-DICARBOXYLIC+ACID'>I3C</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=I3C:5-AMINO-2,4,6-TRIIODOBENZENE-1,3-DICARBOXYLIC+ACID'>I3C</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4bvy|4bvy]]</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=4bvx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bvx OCA], [https://pdbe.org/4bvx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4bvx RCSB], [https://www.ebi.ac.uk/pdbsum/4bvx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4bvx ProSAT]</span></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/Methionine--tRNA_ligase Methionine--tRNA ligase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.1.1.10 6.1.1.10] </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=4bvx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bvx OCA], [http://pdbe.org/4bvx PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4bvx RCSB], [http://www.ebi.ac.uk/pdbsum/4bvx PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4bvx ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/MCA3_HUMAN MCA3_HUMAN]] Positive modulator of ATM response to DNA damage.
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[[https://www.uniprot.org/uniprot/SYMC_HUMAN SYMC_HUMAN]]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Many multi-component protein complexes mediating diverse cellular processes are assembled through scaffolds with specialized protein interaction modules. The multi-tRNA synthetase complex (MSC), consisting of nine different aminoacyl-tRNA synthetases and three non-enzymatic factors (AIMP1-3), serves as a hub for many signaling pathways in addition to its role in protein synthesis. However, the assembly process and structural arrangement of the MSC components are not well understood. Here we show the heterotetrameric complex structure of the glutathione transferase (GST) domains shared among the four MSC components, methionyl-tRNA synthetase (MRS), glutaminyl-prolyl-tRNA synthetase (EPRS), AIMP2 and AIMP3. The MRS-AIMP3 and EPRS-AIMP2 using interface 1 are bridged via interface 2 of AIMP3 and EPRS to generate a unique linear complex of MRS-AIMP3:EPRS-AIMP2 at the molar ratio of (1:1):(1:1). Interestingly, the affinity at interface 2 of AIMP3:EPRS can be varied depending on the occupancy of interface 1, suggesting dynamic nature of the linear GST tetramer. The four components are optimally arranged for maximal accommodation of additional domains and proteins. These characteristics suggest the GST tetramer as a unique and dynamic structural platform from which the MSC components are assembled. Considering prevalence of the GST-like domains, this tetramer can also provide a tool for the communication of the MSC with other GST-containing cellular factors.
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Assembly of Multi-tRNA Synthetase Complex via Heterotetrameric Glutathione Transferase-Homology Domains.,Cho HY, Maeng SJ, Cho HJ, Choi YS, Chung JM, Lee S, Kim HK, Kim JH, Eom CY, Kim YG, Guo M, Jung HS, Kang BS, Kim S J Biol Chem. 2015 Oct 15. pii: jbc.M115.690867. PMID:26472928<ref>PMID:26472928</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 4bvx" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Aminoacyl tRNA synthetase 3D structures|Aminoacyl tRNA synthetase 3D structures]]
*[[Aminoacyl tRNA synthetase 3D structures|Aminoacyl tRNA synthetase 3D structures]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Methionine--tRNA ligase]]
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[[Category: Cho HJ]]
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[[Category: Cho, H J]]
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[[Category: Cho HY]]
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[[Category: Cho, H Y]]
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[[Category: Kang BS]]
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[[Category: Kang, B S]]
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[[Category: Seo WW]]
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[[Category: Seo, W W]]
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[[Category: Ligase]]
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[[Category: Mr]]
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Revision as of 17:11, 7 September 2022

Crystal structure of the AIMP3-MRS N-terminal domain complex with I3C

PDB ID 4bvx

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