6y3g
From Proteopedia
(Difference between revisions)
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==Crystal structure of phenylalanine tRNA from Escherichia coli== | ==Crystal structure of phenylalanine tRNA from Escherichia coli== | ||
| - | <StructureSection load='6y3g' size='340' side='right'caption='[[6y3g]]' scene=''> | + | <StructureSection load='6y3g' size='340' side='right'caption='[[6y3g]], [[Resolution|resolution]] 3.10Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6Y3G OCA]. For a <b>guided tour on the structure components</b> use [ | + | <table><tr><td colspan='2'>[[6y3g]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6Y3G OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6Y3G FirstGlance]. <br> |
| - | </td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.1Å</td></tr> |
| + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=3AU:3-[(3S)-3-AMINO-3-CARBOXYPROPYL]URIDINE+5-(DIHYDROGEN+PHOSPHATE)'>3AU</scene>, <scene name='pdbligand=4SU:4-THIOURIDINE-5-MONOPHOSPHATE'>4SU</scene>, <scene name='pdbligand=5MU:5-METHYLURIDINE+5-MONOPHOSPHATE'>5MU</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GAI:GUANIDINE'>GAI</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=H2U:5,6-DIHYDROURIDINE-5-MONOPHOSPHATE'>H2U</scene>, <scene name='pdbligand=PSU:PSEUDOURIDINE-5-MONOPHOSPHATE'>PSU</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=6y3g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6y3g OCA], [https://pdbe.org/6y3g PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6y3g RCSB], [https://www.ebi.ac.uk/pdbsum/6y3g PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6y3g ProSAT]</span></td></tr> | ||
</table> | </table> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | Cyclodipeptide synthases (CDPSs) catalyze the synthesis of various cyclodipeptides by using two aminoacyl-tRNA (aa-tRNA) substrates in a sequential mechanism. Here, we studied binding of phenylalanyl-tRNA(Phe) to the CDPS from Candidatus Glomeribacter gigasporarum (Cglo-CDPS) by gel filtration and electrophoretic mobility shift assay. We determined the crystal structure of the Cglo-CDPS:Phe-tRNA(Phe) complex to 5 A resolution and further studied it in solution using small-angle X-ray scattering (SAXS). The data show that the major groove of the acceptor stem of the aa-tRNA interacts with the enzyme through the basic beta2 and beta7 strands of CDPSs belonging to the XYP subfamily. A bending of the CCA extremity enables the amino acid moiety to be positioned in the P1 pocket while the terminal A76 adenosine occupies the P2 pocket. Such a positioning indicates that the present structure illustrates the binding of the first aa-tRNA. In cells, CDPSs and the elongation factor EF-Tu share aminoacylated tRNAs as substrates. The present study shows that CDPSs and EF-Tu interact with opposite sides of tRNA. This may explain how CDPSs hijack aa-tRNAs from canonical ribosomal protein synthesis. | ||
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| + | Structural basis of the interaction between cyclodipeptide synthases and aminoacylated tRNA substrates.,Bourgeois G, Seguin J, Babin M, Gondry M, Mechulam Y, Schmitt E RNA. 2020 Nov;26(11):1589-1602. doi: 10.1261/rna.075184.120. Epub 2020 Jul 17. PMID:32680846<ref>PMID:32680846</ref> | ||
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| + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
| + | </div> | ||
| + | <div class="pdbe-citations 6y3g" style="background-color:#fffaf0;"></div> | ||
| + | == References == | ||
| + | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
| + | [[Category: Escherichia coli]] | ||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Bourgeois G]] | [[Category: Bourgeois G]] | ||
[[Category: Mechulam Y]] | [[Category: Mechulam Y]] | ||
[[Category: Schmitt E]] | [[Category: Schmitt E]] | ||
Current revision
Crystal structure of phenylalanine tRNA from Escherichia coli
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