Ribosomes are responsible for translating the genome, in the form of mRNA, into the proteome in all organisms. Biogenesis of ribosomes in eukaryotes is a complex process involving numerous remodeling events driven in part by the concerted actions of hundreds of protein assembly factors. A major challenge in studying eukaryotic ribosome assembly has, until recently, been a lack of structural data to facilitate understanding of the conformational and compositional changes the pre-ribosome undergoes during its construction. Cryo-electron microscopy (cryo-EM) has begun filling these gaps; recent advances in cryo-EM have enabled the determination of several high resolution pre-ribosome structures. This review focuses mainly on lessons learned from the study of pre-60S particles purified from yeast using the assembly factor Nog2 as bait. These Nog2 particles provide insight into many aspects of nuclear stages of 60S subunit assembly, including construction of major 60S subunit functional centers and processing of the ITS2 spacer RNA.
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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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| Evidence ID | Analyze ID | File | Description |
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