Cap-dependent translation initiation begins by assembly of a pre-initiation ribosomal complex that scans the 5' Untranslated Region in order to localise the start codon. During this process, RNA secondary structures are melted by RNA helicases. Guenther et al reported that the yeast helicase DED1, an orthologue of the mammalian DDX3 helicase, is responsible for this activity. When DED1 is non-functional, RNA structures in the 5'UTR promote translation initiation on Alternative Translation Initiation Sites (ATIS) lead to uORF translation and consequently down-regulation of the main ORF. This mechanism is driven by the sole presence of RNA secondary structures located downstream of ATIS. Translation initiation mediated by RNA structures is found in other messenger RNAs. We propose to name this novel mechanism STructure-Assisted-RNA-Translation or START.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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