2iu1

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[[Image:2iu1.png|left|200px]]
 
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{{STRUCTURE_2iu1| PDB=2iu1 | SCENE= }}
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==Crystal structure of eIF5 C-terminal domain==
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<StructureSection load='2iu1' size='340' side='right'caption='[[2iu1]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2iu1]] is a 1 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=2IU1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2IU1 FirstGlance]. <br>
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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]] 1.8&#8491;</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=2iu1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2iu1 OCA], [https://pdbe.org/2iu1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2iu1 RCSB], [https://www.ebi.ac.uk/pdbsum/2iu1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2iu1 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/IF5_HUMAN IF5_HUMAN] Catalyzes the hydrolysis of GTP bound to the 40S ribosomal initiation complex (40S.mRNA.Met-tRNA[F].eIF-2.GTP) with the subsequent joining of a 60S ribosomal subunit resulting in the release of eIF-2 and the guanine nucleotide. The subsequent joining of a 60S ribosomal subunit results in the formation of a functional 80S initiation complex (80S.mRNA.Met-tRNA[F]).
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/iu/2iu1_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2iu1 ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The carboxy-terminal domain (CTD) of eukaryotic initiation factor 5 (eIF5) plays a central role in the formation of the multifactor complex (MFC), an important intermediate for the 43 S pre-initiation complex assembly. The IF5-CTD interacts directly with the translation initiation factors eIF1, eIF2-beta, and eIF3c, thus forming together with eIF2 bound Met-tRNA(i)(Met) the MFC. In this work we present the high resolution crystal structure of eIF5-CTD. This domain of the protein is exclusively composed out of alpha-helices and is homologous to the carboxy-terminal domain of eIF2B-epsilon (eIF2Bepsilon-CTD). The most striking difference in the two structures is an additional carboxy-terminal helix in eIF5. The binding sites of eIF2-beta, eIF3 and eIF1 were mapped onto the structure. eIF2-beta and eIF3 bind to non-overlapping patches of negative and positive electrostatic potential, respectively.
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===CRYSTAL STRUCTURE OF EIF5 C-TERMINAL DOMAIN===
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The crystal structure of the carboxy-terminal domain of human translation initiation factor eIF5.,Bieniossek C, Schutz P, Bumann M, Limacher A, Uson I, Baumann U J Mol Biol. 2006 Jul 7;360(2):457-65. Epub 2006 May 24. PMID:16781736<ref>PMID:16781736</ref>
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{{ABSTRACT_PUBMED_16781736}}
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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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==About this Structure==
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<div class="pdbe-citations 2iu1" style="background-color:#fffaf0;"></div>
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[[2iu1]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IU1 OCA].
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==See Also==
==See Also==
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*[[Eukaryotic initiation factor|Eukaryotic initiation factor]]
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*[[Eukaryotic initiation factor 3D structures|Eukaryotic initiation factor 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016781736</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Baumann, U.]]
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[[Category: Large Structures]]
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[[Category: Bieniossek, C.]]
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[[Category: Baumann U]]
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[[Category: Schuetz, P.]]
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[[Category: Bieniossek C]]
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[[Category: Eif5]]
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[[Category: Schuetz P]]
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[[Category: Gtp-binding]]
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[[Category: Initiation factor]]
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[[Category: Mfc]]
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[[Category: Nucleotide-binding]]
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[[Category: Phosphorylation]]
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[[Category: Protein biosynthesis]]
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[[Category: Transcription]]
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[[Category: Translation inititation]]
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Current revision

Crystal structure of eIF5 C-terminal domain

PDB ID 2iu1

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