3vbb

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Current revision (14:22, 14 March 2024) (edit) (undo)
 
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<StructureSection load='3vbb' size='340' side='right'caption='[[3vbb]], [[Resolution|resolution]] 2.89&Aring;' scene=''>
<StructureSection load='3vbb' size='340' side='right'caption='[[3vbb]], [[Resolution|resolution]] 2.89&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3vbb]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3VBB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3VBB FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3vbb]] is a 6 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=3VBB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3VBB FirstGlance]. <br>
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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=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.891&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SARS, SERS ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></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/Serine--tRNA_ligase Serine--tRNA ligase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.1.1.11 6.1.1.11] </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=3vbb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3vbb OCA], [https://pdbe.org/3vbb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3vbb RCSB], [https://www.ebi.ac.uk/pdbsum/3vbb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3vbb ProSAT]</span></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=3vbb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3vbb OCA], [https://pdbe.org/3vbb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3vbb RCSB], [https://www.ebi.ac.uk/pdbsum/3vbb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3vbb ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/SYSC_HUMAN SYSC_HUMAN]] Catalyzes the attachment of serine to tRNA(Ser). Is also probably able to aminoacylate tRNA(Sec) with serine, to form the misacylated tRNA L-seryl-tRNA(Sec), which will be further converted into selenocysteinyl-tRNA(Sec).<ref>PMID:9431993</ref>
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[https://www.uniprot.org/uniprot/SYSC_HUMAN SYSC_HUMAN] Catalyzes the attachment of serine to tRNA(Ser). Is also probably able to aminoacylate tRNA(Sec) with serine, to form the misacylated tRNA L-seryl-tRNA(Sec), which will be further converted into selenocysteinyl-tRNA(Sec).<ref>PMID:9431993</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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New domains were progressively added to cytoplasmic aminoacyl transfer RNA (tRNA) synthetases during evolution. One example is the UNE-S domain, appended to seryl-tRNA synthetase (SerRS) in species that developed closed circulatory systems. Here we show using solution and crystal structure analyses and in vitro and in vivo functional studies that UNE-S harbours a robust nuclear localization signal (NLS) directing SerRS to the nucleus where it attenuates vascular endothelial growth factor A expression. We also show that SerRS mutants previously linked to vasculature abnormalities either deleted the NLS or have the NLS sequestered in an alternative conformation. A structure-based second-site mutation, designed to release the sequestered NLS, restored normal vasculature. Thus, the essential function of SerRS in vascular development depends on UNE-S. These results are the first to show an essential role for a tRNA synthetase-associated appended domain at the organism level, and suggest that acquisition of UNE-S has a role in the establishment of the closed circulatory systems of vertebrates.
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Unique domain appended to vertebrate tRNA synthetase is essential for vascular development.,Xu X, Shi Y, Zhang HM, Swindell EC, Marshall AG, Guo M, Kishi S, Yang XL Nat Commun. 2012 Feb 21;3:681. doi: 10.1038/ncomms1686. PMID:22353712<ref>PMID:22353712</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 3vbb" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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__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: Serine--tRNA ligase]]
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[[Category: Xu XL]]
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[[Category: Xu, X L]]
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[[Category: Yang X-L]]
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[[Category: Yang, X L]]
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[[Category: Coiled-coil]]
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[[Category: Ligase]]
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Current revision

Crystal Structure of Seryl-tRNA Synthetase from Human at 2.9 angstroms

PDB ID 3vbb

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