{"doi":"10.1073/pnas.92.10.4587","title":"General requirement for RNA polymerase II holoenzymes in vivo.","abstract":"<jats:p>Yeast RNA polymerase II holoenzymes have been described that consist of RNA polymerase II, a subset of general transcription factors, and nine SRB regulatory proteins. The feature that distinguishes the RNA polymerase II holoenzymes from other forms of RNA polymerase II in the cell is their tight association with SRB proteins. We investigated the fraction of genes that require SRB proteins in vivo by examining the effect of temperature-sensitive mutations in SRB genes on transcription by RNA polymerase II. Upon transfer to the restrictive temperature, there is a rapid and general shutdown of mRNA synthesis in srb mutant cells. These data, combined with the observation that essentially all of the SRB protein in cells is tightly associated with RNA polymerase II molecules, argue that SRB-containing holoenzymes are the form of RNA polymerase II recruited to most promoters in the cell.</jats:p>","journal":"Proceedings of the National Academy of Sciences","year":1995,"id":595889,"datarank":0.8306001400527806,"base_score":5.537334267018537,"endowment":5.537334267018537,"self_citation_contribution":0.8306001400527806,"citation_network_contribution":0.0,"self_endowment_contribution":0.8306001400527806,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":253,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1526066,"name":"R A Young","orcid":null,"position":1,"is_corresponding":false},{"id":1526065,"name":"C M Thompson","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"General requirement for RNA polymerase II holoenzymes in vivo.","abstract":"<jats:p>Yeast RNA polymerase II holoenzymes have been described that consist of RNA polymerase II, a subset of general transcription factors, and nine SRB regulatory proteins. The feature that distinguishes the RNA polymerase II holoenzymes from other forms of RNA polymerase II in the cell is their tight association with SRB proteins. We investigated the fraction of genes that require SRB proteins in vivo by examining the effect of temperature-sensitive mutations in SRB genes on transcription by RNA polymerase II. Upon transfer to the restrictive temperature, there is a rapid and general shutdown of mRNA synthesis in srb mutant cells. These data, combined with the observation that essentially all of the SRB protein in cells is tightly associated with RNA polymerase II molecules, argue that SRB-containing holoenzymes are the form of RNA polymerase II recruited to most promoters in the cell.</jats:p>","is_dataset_classified":null,"base_score":5.537334267018537,"endowment":5.537334267018537,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"7753848","pmcid":"PMC41989","openalex_id":"https://openalex.org/W2153110406","authors":[],"funders":[],"total_grants":0,"fwci":7.1638,"citation_percentile":0.97907712,"influential_citations":0,"citation_trend":[{"year":2012,"count":6},{"year":2013,"count":6},{"year":2014,"count":11},{"year":2015,"count":8},{"year":2016,"count":5},{"year":2017,"count":18},{"year":2018,"count":5},{"year":2019,"count":5},{"year":2020,"count":3},{"year":2021,"count":7},{"year":2022,"count":4},{"year":2023,"count":1},{"year":2024,"count":5},{"year":2025,"count":3}],"oa_status":"green","license":null,"oa_locations":[{"url":"https://pnas.org/doi/pdf/10.1073/pnas.92.10.4587","host_type":"publisher"},{"url":"https://doi.org/10.1073/pnas.92.10.4587","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/7753848","host_type":"repository"},{"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/41989","host_type":"repository"}],"fields_of_study":["RNA and protein synthesis mechanisms","Fungal and yeast genetics research","RNA Research and Splicing","Base Sequence","Fungal Proteins","Gene Expression","Mediator Complex","Molecular Sequence Data","Mutagenesis","Oligonucleotide Probes","Polymerase Chain Reaction","RNA Polymerase II","RNA, Messenger","Saccharomyces cerevisiae","Saccharomyces cerevisiae Proteins","Sequence Deletion","Transcription Factors"],"mesh_terms":["Base Sequence","Fungal Proteins","Molecular Sequence Data","RNA Polymerase II","RNA, Messenger","Saccharomyces cerevisiae","Transcription Factors","Oligonucleotide Probes","Gene Expression","Polymerase Chain Reaction","Mutagenesis","Sequence Deletion","Saccharomyces cerevisiae Proteins","Mediator Complex"],"keywords":["Transcription factor II D","RNA polymerase II","RNA polymerase I","Polymerase","RNA polymerase III","RNA polymerase","Molecular biology","Biology","Transcription (linguistics)","RNA-dependent RNA polymerase","RNA polymerase II holoenzyme","RNA","Small nuclear RNA","Biochemistry","Gene","Gene expression","Promoter"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-07-27T18:01:30.662100Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}