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==Crystal structure of human eukaryotic translation initiation factor EIF5A==
==Crystal structure of human eukaryotic translation initiation factor EIF5A==
<StructureSection load='3cpf' size='340' side='right' caption='[[3cpf]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
<StructureSection load='3cpf' size='340' side='right' caption='[[3cpf]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=UNX:UNKNOWN+ATOM+OR+ION'>UNX</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=UNX:UNKNOWN+ATOM+OR+ION'>UNX</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">EIF5A ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">EIF5A ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=3cpf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3cpf OCA], [http://pdbe.org/3cpf PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3cpf RCSB], [http://www.ebi.ac.uk/pdbsum/3cpf PDBsum]</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=3cpf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3cpf OCA], [http://pdbe.org/3cpf PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3cpf RCSB], [http://www.ebi.ac.uk/pdbsum/3cpf PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3cpf ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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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=3cpf ConSurf].
</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=3cpf ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
==See Also==
*[[Eukaryotic initiation factor|Eukaryotic initiation factor]]
== References ==
== References ==
<references/>
<references/>

Revision as of 11:32, 25 October 2017

Crystal structure of human eukaryotic translation initiation factor EIF5ACrystal structure of human eukaryotic translation initiation factor EIF5A

Structural highlights

3cpf is a 2 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Gene:EIF5A (HUMAN)
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[IF5A1_HUMAN] mRNA-binding protein involved in translation elongation. Has an important function at the level of mRNA turnover, probably acting downstream of decapping. Involved in actin dynamics and cell cycle progression, mRNA decay and probably in a pathway involved in stress response and maintenance of cell wall integrity. With syntenin SDCBP, functions as a regulator of p53/TP53 and p53/TP53-dependent apoptosis. Regulates also TNF-alpha-mediated apoptosis. Mediates effects of polyamines on neuronal process extension and survival. May play an important role in brain development and function, and in skeletal muscle stem cell differentiation. Also described as a cellular cofactor of human T-cell leukemia virus type I (HTLV-1) Rex protein and of human immunodeficiency virus type 1 (HIV-1) Rev protein, essential for mRNA export of retroviral transcripts.[1] [2] [3] [4] [5]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

References

  1. ↑ Li AL, Li HY, Jin BF, Ye QN, Zhou T, Yu XD, Pan X, Man JH, He K, Yu M, Hu MR, Wang J, Yang SC, Shen BF, Zhang XM. A novel eIF5A complex functions as a regulator of p53 and p53-dependent apoptosis. J Biol Chem. 2004 Nov 19;279(47):49251-8. Epub 2004 Sep 14. PMID:15371445 doi:http://dx.doi.org/10.1074/jbc.M407165200
  2. ↑ Taylor CA, Senchyna M, Flanagan J, Joyce EM, Cliche DO, Boone AN, Culp-Stewart S, Thompson JE. Role of eIF5A in TNF-alpha-mediated apoptosis of lamina cribrosa cells. Invest Ophthalmol Vis Sci. 2004 Oct;45(10):3568-76. PMID:15452064 doi:http://dx.doi.org/10.1167/iovs.03-1367
  3. ↑ Schrader R, Young C, Kozian D, Hoffmann R, Lottspeich F. Temperature-sensitive eIF5A mutant accumulates transcripts targeted to the nonsense-mediated decay pathway. J Biol Chem. 2006 Nov 17;281(46):35336-46. Epub 2006 Sep 20. PMID:16987817 doi:http://dx.doi.org/M601460200
  4. ↑ Taylor CA, Sun Z, Cliche DO, Ming H, Eshaque B, Jin S, Hopkins MT, Thai B, Thompson JE. Eukaryotic translation initiation factor 5A induces apoptosis in colon cancer cells and associates with the nucleus in response to tumour necrosis factor alpha signalling. Exp Cell Res. 2007 Feb 1;313(3):437-49. Epub 2006 Oct 28. PMID:17187778 doi:http://dx.doi.org/S0014-4827(06)00389-2
  5. ↑ Huang Y, Higginson DS, Hester L, Park MH, Snyder SH. Neuronal growth and survival mediated by eIF5A, a polyamine-modified translation initiation factor. Proc Natl Acad Sci U S A. 2007 Mar 6;104(10):4194-9. Epub 2007 Feb 28. PMID:17360499 doi:http://dx.doi.org/0611609104

3cpf, resolution 2.50Å

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