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==Crystal Structure of Human LysRS: P38/AIMP2 Complex II==
==Crystal Structure of Human LysRS: P38/AIMP2 Complex II==
<StructureSection load='6ild' size='340' side='right' caption='[[6ild]], [[Resolution|resolution]] 1.88&Aring;' scene=''>
<StructureSection load='6ild' size='340' side='right'caption='[[6ild]], [[Resolution|resolution]] 1.88&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6ild]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6ILD OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6ILD FirstGlance]. <br>
<table><tr><td colspan='2'>[[6ild]] is a 3 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=6ILD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6ILD FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=45A:5-O-[(S)-HYDROXY(METHYL)PHOSPHORYL]ADENOSINE'>45A</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=LYS:LYSINE'>LYS</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.882&#8491;</td></tr>
<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=6ild FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6ild OCA], [http://pdbe.org/6ild PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6ild RCSB], [http://www.ebi.ac.uk/pdbsum/6ild PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6ild ProSAT]</span></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=45A:5-O-[(S)-HYDROXY(METHYL)PHOSPHORYL]ADENOSINE'>45A</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=LYS:LYSINE'>LYS</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6ild FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6ild OCA], [https://pdbe.org/6ild PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6ild RCSB], [https://www.ebi.ac.uk/pdbsum/6ild PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6ild ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
[[http://www.uniprot.org/uniprot/SYK_HUMAN SYK_HUMAN]] Defects in KARS are the cause of Charcot-Marie-Tooth disease recessive intermediate type B (CMTRIB) [MIM:[http://omim.org/entry/613641 613641]]; also called Charcot-Marie-Tooth neuropathy recessive intermediate B. CMTRIB is a form of Charcot-Marie-Tooth disease, a disorder of the peripheral nervous system, characterized by progressive weakness and atrophy, initially of the peroneal muscles and later of the distal muscles of the arms. Recessive intermediate forms of Charcot-Marie-Tooth disease are characterized by clinical and pathologic features intermediate between demyelinating and axonal peripheral neuropathies, and motor median nerve conduction velocities ranging from 25 to 45 m/sec.<ref>PMID:20920668</ref> 
== Function ==
[[http://www.uniprot.org/uniprot/SYK_HUMAN SYK_HUMAN]] Catalyzes the specific attachment of an amino acid to its cognate tRNA in a 2 step reaction: the amino acid (AA) is first activated by ATP to form AA-AMP and then transferred to the acceptor end of the tRNA. When secreted, acts as a signaling molecule that induces immune response through the activation of monocyte/macrophages. Catalyzes the synthesis of diadenosine oligophosphate (Ap4A), a signaling molecule involved in the activation of MITF transcriptional activity. Interacts with HIV-1 virus GAG protein, facilitating the selective packaging of tRNA(3)(Lys), the primer for reverse transcription initiation.<ref>PMID:5338216</ref> <ref>PMID:15851690</ref>  [[http://www.uniprot.org/uniprot/AIMP2_HUMAN AIMP2_HUMAN]] Required for assembly and stability of the aminoacyl-tRNA synthase complex. Mediates ubiquitination and degradation of FUBP1, a transcriptional activator of MYC, leading to MYC down-regulation which is required for aveolar type II cell differentiation. Blocks MDM2-mediated ubiquitination and degradation of p53/TP53. Functions as a proapoptotic factor.<ref>PMID:16135753</ref> 
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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</div>
<div class="pdbe-citations 6ild" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 6ild" style="background-color:#fffaf0;"></div>
==See Also==
*[[Aminoacyl tRNA synthetase 3D structures|Aminoacyl tRNA synthetase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Fang, P]]
[[Category: Homo sapiens]]
[[Category: Hei, Z]]
[[Category: Large Structures]]
[[Category: Liu, Z]]
[[Category: Fang P]]
[[Category: Wang, J]]
[[Category: Hei Z]]
[[Category: Aimp2]]
[[Category: Liu Z]]
[[Category: Ligase]]
[[Category: Wang J]]
[[Category: Lysr]]
[[Category: Lysyl-trna synthetase]]
[[Category: Multi trna synthetase complex sub-complex]]
[[Category: P38]]

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