View source for 4jwg


==Crystal structure of spTrm10(74)==
<StructureSection load='4jwg' size='340' side='right'caption='[[4jwg]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[4jwg]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Schizosaccharomyces_pombe_972h- Schizosaccharomyces pombe 972h-]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4JWG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4JWG FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACY:ACETIC+ACID'>ACY</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=4jwg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4jwg OCA], [https://pdbe.org/4jwg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4jwg RCSB], [https://www.ebi.ac.uk/pdbsum/4jwg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4jwg ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/TRM10_SCHPO TRM10_SCHPO] Catalyzes the formation of N(1)-methylguanine at position 9 (m1G9) in cytoplasmic tRNAs (By similarity).
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Transfer RNA (tRNA) methylation is necessary for the proper biological function of tRNA. The N1 methylation of guanine at Position 9 (m1G9) of tRNA, which is widely identified in eukaryotes and archaea, was found to be catalyzed by the Trm10 family of methyltransferases (MTases). Here, we report the first crystal structures of the tRNA MTase spTrm10 from Schizosaccharomyces pombe in the presence and absence of its methyl donor product S-adenosyl-homocysteine (SAH) and its ortholog scTrm10 from Saccharomyces cerevisiae in complex with SAH. Our crystal structures indicated that the MTase domain (the catalytic domain) of the Trm10 family displays a typical SpoU-TrmD (SPOUT) fold. Furthermore, small angle X-ray scattering analysis reveals that Trm10 behaves as a monomer in solution, whereas other members of the SPOUT superfamily all function as homodimers. We also performed tRNA MTase assays and isothermal titration calorimetry experiments to investigate the catalytic mechanism of Trm10 in vitro. In combination with mutational analysis and electrophoretic mobility shift assays, our results provide insights into the substrate tRNA recognition mechanism of Trm10 family MTases.

Crystal structure of tRNA m1G9 methyltransferase Trm10: insight into the catalytic mechanism and recognition of tRNA substrate.,Shao Z, Yan W, Peng J, Zuo X, Zou Y, Li F, Gong D, Ma R, Wu J, Shi Y, Zhang Z, Teng M, Li X, Gong Q Nucleic Acids Res. 2013 Sep 29. PMID:24081582<ref>PMID:24081582</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 4jwg" style="background-color:#fffaf0;"></div>

==See Also==
*[[TRNA methyltransferase 3D structures|TRNA methyltransferase 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Schizosaccharomyces pombe 972h-]]
[[Category: Shao Z]]
[[Category: Yan W]]