ArticleeLife2016
The target of the DEAH-box NTP triphosphatase Prp43 in Saccharomyces cerevisiae spliceosomes is the U2 snRNP-intron interaction.
Article in eLife, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed, 55 citations in OpenAlex.
- DHX15 affects AML1-ETO9a splicing together with HNRNPL, RBM33 in AML1-ETO-positive acute myeloid leukaemia.British journal of haematology · 2026Article
- GPATCH11 ortholog Sap34 regulates pre-mRNA splicing by interacting with early spliceosomal complexes in Schizosaccharomyces pombe.Scientific reports · 2026Article
- The tumour suppressor RBM5 activates the helicase DHX15 to regulate splicing.Research square · 2026Article
- The tumour suppressor RBM5 activates the helicase DHX15 to regulate splicing.bioRxiv : the preprint server for biology · 2026Article
- G-patch proteins: important regulators of pre-mRNA splicing and ribosome biogenesis.Frontiers in cell and developmental biology · 2026Review
- Structures of aberrant spliceosome intermediates on their way to disassembly.Nature structural & molecular biology · 2025Article
- Cancer-associated SF3B1 mutation K700E causes widespread changes in U2/branchpoint recognition without altering splicing.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- SF3B1: from core splicing factor to oncogenic driver.RNA (New York, N.Y.) · 2025Review
- Cancer-associated SF3B1 mutation K700E causes widespread changes in U2/branchpoint recognition without altering splicing.bioRxiv : the preprint server for biology · 2024Article
- Article
- Characterization of the SF3B1-SUGP1 interface reveals how numerous cancer mutations cause mRNA missplicing.Genes & development · 2023Article
- Splicing quality control mediated by DHX15 and its G-patch activator SUGP1.Cell reports · 2023Article
- Conformational dynamics of the RNA binding channel regulates loading and translocation of the DEAH-box helicase Prp43.Nucleic acids research · 2023Article
- Mechanisms of the RNA helicases DDX42 and DDX46 in human U2 snRNP assembly.Nature communications · 2023Article
- DHX15 is involved in SUGP1-mediated RNA missplicing by mutant SF3B1 in cancer.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Regulation of the DEAH/RHA helicase Prp43 by the G-patch factor Pfa1.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Defining the Functional Interactome of Spliceosome-Associated G-Patch Protein Gpl1 in the Fission YeastInternational journal of molecular sciences · 2022Article
- Article
- A model for DHX15 mediated disassembly of A-complex spliceosomes.RNA (New York, N.Y.) · 2022Article
- The G-patch activators Pfa1 and PINX1 exhibit different modes of interaction with the Prp43 RNA helicase.RNA biology · 2021Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The DEAH-box NTPase Prp43 and its cofactors Ntr1 and Ntr2 form the NTR complex and are required for disassembling intron-lariat spliceosomes (ILS) and defective earlier spliceosomes. However, the Prp43 binding site in the spliceosome and its target(s) are unknown. We show that Prp43 fused to Ntr1's G-patch motif (Prp43_Ntr1GP) is as efficient as the NTR in ILS disassembly, yielding identical dissociation products and recognizing its natural ILS target even in the absence of Ntr1's C-terminal-domain (CTD) and Ntr2. Unlike the NTR, Prp43_Ntr1GP disassembles earlier spliceosomal complexes (A, B, B(act)), indicating that Ntr2/Ntr1-CTD prevents NTR from disrupting properly assembled spliceosomes other than the ILS. The U2 snRNP-intron interaction is disrupted in all complexes by Prp43_Ntr1GP, and in the spliceosome contacts U2 proteins and the pre-mRNA, indicating that the U2 snRNP-intron interaction is Prp43's major target.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.