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3j4j

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Model of full-length T. thermophilus Translation Initiation Factor 2 refined against its cryo-EM density from a 30S Initiation Complex map

3j4j, resolution 11.50Å

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Retrieved from "http://52.214.119.220/wiki/index.php/3j4j"

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 <SX load='3j4j' size='340' side='right' viewer='molstar' caption='[[3j4j]], [[Resolution|resolution]] 11.50&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[3j4j]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Thet8 Thet8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3J4J OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3J4J FirstGlance]. <br>
+<table><tr><td colspan='2'>[[3j4j]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus_HB8 Thermus thermophilus HB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3J4J OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3J4J FirstGlance]. <br>
-</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4b3x|4b3x]], [[4b48|4b48]], [[1d1n|1d1n]], [[4kjz|4kjz]]</td></tr>
+</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 11.5&#8491;</td></tr>
-<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">infB, TTHA0699 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=300852 THET8])</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=3j4j FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3j4j OCA], [https://pdbe.org/3j4j PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3j4j RCSB], [https://www.ebi.ac.uk/pdbsum/3j4j PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3j4j ProSAT]</span></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=3j4j FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3j4j OCA], [http://pdbe.org/3j4j PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3j4j RCSB], [http://www.ebi.ac.uk/pdbsum/3j4j PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3j4j ProSAT]</span></td></tr>
 </table>
 == Function ==
-[[http://www.uniprot.org/uniprot/IF2_THET8 IF2_THET8]] One of the essential components for the initiation of protein synthesis. Protects formylmethionyl-tRNA from spontaneous hydrolysis and promotes its binding to the 30S ribosomal subunits. Also involved in the hydrolysis of GTP during the formation of the 70S ribosomal complex (By similarity).
+[https://www.uniprot.org/uniprot/IF2_THET8 IF2_THET8] One of the essential components for the initiation of protein synthesis. Protects formylmethionyl-tRNA from spontaneous hydrolysis and promotes its binding to the 30S ribosomal subunits. Also involved in the hydrolysis of GTP during the formation of the 70S ribosomal complex (By similarity).
-<div style="background-color:#fffaf0;">
-== Publication Abstract from PubMed ==
-Translation initiation factor 2 (IF2) promotes 30S initiation complex (IC) formation and 50S subunit joining, which produces the 70S IC. The architecture of full-length IF2, determined by small angle X-ray diffraction and cryo electron microscopy, reveals a more extended conformation of IF2 in solution and on the ribosome than in the crystal. The N-terminal domain is only partially visible in the 30S IC, but in the 70S IC, it stabilizes interactions between IF2 and the L7/L12 stalk of the 50S, and on its deletion, proper N-formyl-methionyl(fMet)-tRNA(fMet) positioning and efficient transpeptidation are affected. Accordingly, fast kinetics and single-molecule fluorescence data indicate that the N terminus promotes 70S IC formation by stabilizing the productive sampling of the 50S subunit during 30S IC joining. Together, our data highlight the dynamics of IF2-dependent ribosomal subunit joining and the role played by the N terminus of IF2 in this process.
-Involvement of protein IF2 N domain in ribosomal subunit joining revealed from architecture and function of the full-length initiation factor.,Simonetti A, Marzi S, Billas IM, Tsai A, Fabbretti A, Myasnikov AG, Roblin P, Vaiana AC, Hazemann I, Eiler D, Steitz TA, Puglisi JD, Gualerzi CO, Klaholz BP Proc Natl Acad Sci U S A. 2013 Sep 24;110(39):15656-61. doi:, 10.1073/pnas.1309578110. Epub 2013 Sep 12. PMID:24029017<ref>PMID:24029017</ref>
-From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
-</div>
-<div class="pdbe-citations 3j4j" style="background-color:#fffaf0;"></div>
-== References ==
-<references/>
 __TOC__
 </SX>
 [[Category: Large Structures]]
-[[Category: Thet8]]
+[[Category: Thermus thermophilus HB8]]
-[[Category: Billas, I M.L]]
+[[Category: Billas IML]]
-[[Category: Eiler, D]]
+[[Category: Eiler D]]
-[[Category: Fabbretti, A]]
+[[Category: Fabbretti A]]
-[[Category: Gualerzi, C O]]
+[[Category: Gualerzi CO]]
-[[Category: Hazemann, I]]
+[[Category: Hazemann I]]
-[[Category: Klaholz, B P]]
+[[Category: Klaholz BP]]
-[[Category: Marzi, S]]
+[[Category: Marzi S]]
-[[Category: Myasnikov, A]]
+[[Category: Myasnikov A]]
-[[Category: Puglisi, J D]]
+[[Category: Puglisi JD]]
-[[Category: Roblin, P]]
+[[Category: Roblin P]]
-[[Category: Simonetti, A]]
+[[Category: Simonetti A]]
-[[Category: Steitz, T A]]
+[[Category: Steitz TA]]
-[[Category: Tsai, A]]
+[[Category: Tsai A]]
-[[Category: Vaiana, A C]]
+[[Category: Vaiana AC]]
-[[Category: Fmet-trna binding]]
-[[Category: Gtp-binding protein]]
-[[Category: If2]]
-[[Category: Ribosome binding]]
-[[Category: Translation]]

3j4j

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Model of full-length T. thermophilus Translation Initiation Factor 2 refined against its cryo-EM density from a 30S Initiation Complex map

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