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http://hdl.handle.net/10261/129728
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dc.contributor.author | Sun, Chaomin | - |
dc.contributor.author | Querol-Audí, Jordi | - |
dc.contributor.author | Mortimer, Stefanie A. | - |
dc.contributor.author | Arias-Palomo, Ernesto | - |
dc.contributor.author | Doudna, Jennifer | - |
dc.contributor.author | Nogales, Eva | - |
dc.contributor.author | Cate, Jamie H. D. | - |
dc.date.accessioned | 2016-03-03T13:46:25Z | - |
dc.date.available | 2016-03-03T13:46:25Z | - |
dc.date.issued | 2013-06-13 | - |
dc.identifier | doi: 10.1093/nar/gkt510 | - |
dc.identifier | issn: 0305-1048 | - |
dc.identifier.citation | Nucleic Acids Research 41(15): 7512-7521 (2013) | - |
dc.identifier.uri | http://hdl.handle.net/10261/129728 | - |
dc.description.abstract | The initiation of protein synthesis plays an essential regulatory role in human biology. At the center of the initiation pathway, the 13-subunit eukaryotic translation initiation factor 3 (eIF3) controls access of other initiation factors and mRNA to the ribosome by unknown mechanisms. Using electron microscopy (EM), bioinformatics and biochemical experiments, we identify two highly conserved RNA-binding motifs in eIF3 that direct translation initiation from the hepatitis C virus internal ribosome entry site (HCV IRES) RNA. Mutations in the RNA-binding motif of subunit eIF3a weaken eIF3 binding to the HCV IRES and the 40S ribosomal subunit, thereby suppressing eIF2-dependent recognition of the start codon. Mutations in the eIF3c RNA-binding motif also reduce 40S ribosomal subunit binding to eIF3, and inhibit eIF5B-dependent steps downstream of start codon recognition. These results provide the first connection between the structure of the central translation initiation factor eIF3 and recognition of the HCV genomic RNA start codon, molecular interactions that likely extend to the human transcriptome. © 2013 The Author(s) | - |
dc.description.sponsorship | National Institutes of Health (NIH) [R56-AI095687 to J.H.D.C.; P50-GM102706 to J.A.D. and J.H.D.C.]; Spanish Ministry of Education through the Programa Nacional de Movilidad de Recursos Humanos del Plan Nacional de I-D+i 2008-2011 (to E.A.-P.). J.A.D. and E.N. are Howard Hughes Medical Institute Investigators. Funding for open access charge: NIH [P50-GM102706] | - |
dc.publisher | Oxford University Press | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Two RNA-binding motifs in eIF3 direct HCV IRES-dependent translation | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1093/nar/gkt510 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1093/nar/gkt510 | - |
dc.date.updated | 2016-03-03T13:46:25Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.rights.license | http://creativecommons.org/licenses/by-nc/3.0/ | - |
dc.contributor.funder | Ministerio de Educación (España) | - |
dc.contributor.funder | National Institutes of Health (US) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/100000002 | es_ES |
dc.identifier.pmid | 23766293 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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