Eukaryotic RNA polymerase III (pol III) transcribes short noncoding RNA genes such as those encoding tRNAs, 5S rRNA, U6 snRNA, and a few others. As compared to its pol II counterpart, Pol III has several advantages, including the relative simplicity, stability, and more direct connectivity of its transcription machinery. Only two transcription factor complexes, TFIIIB and TFIIIC, are required to faithfully initiate and direct multiple rounds of transcription by pol III. Moreover, in contrast to an intricate multipartite mechanism of pol II termination, pol III termination is extremely simple, responsive to a monopartite signal (oligo T stretch on the nontemplate DNA strand) and mediated by a stably associated termination subcomplex of three integral subunits (Arimbasseri et al. Transcription 4(6), 2013). This makes pol III a valuable model for dissecting intrinsic molecular mechanisms of eukaryotic transcription termination. In this chapter, we provide protocols we adapted to study the biochemistry of transcription termination by S. cerevisiae pol III.
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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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