Article ; Online: Specific protein-RNA interactions are mostly preserved in biomolecular condensates.
2024 Volume 10, Issue 10, Page(s) eadm7435
Abstract: Many biomolecular condensates are enriched in and depend on RNAs and RNA binding proteins (RBPs). So far, only a few studies have addressed the characterization of the intermolecular interactions responsible for liquid-liquid phase separation (LLPS) and ... ...
Abstract | Many biomolecular condensates are enriched in and depend on RNAs and RNA binding proteins (RBPs). So far, only a few studies have addressed the characterization of the intermolecular interactions responsible for liquid-liquid phase separation (LLPS) and the impact of condensation on RBPs and RNAs. Here, we present an approach to study protein-RNA interactions inside biomolecular condensates by applying cross-linking of isotope labeled RNA and tandem mass spectrometry to phase-separating systems (LLPS-CLIR-MS). LLPS-CLIR-MS enables the characterization of intermolecular interactions present within biomolecular condensates at residue-specific resolution and allows a comparison with the same complexes in the dispersed phase. We observe that sequence-specific RBP-RNA interactions present in the dispersed phase are generally maintained inside condensates. In addition, LLPS-CLIR-MS identifies structural alterations at the protein-RNA interfaces, including additional unspecific contacts in the condensed phase. Our approach offers a procedure to derive structural information of protein-RNA complexes within biomolecular condensates that could be critical for integrative structural modeling of ribonucleoproteins (RNPs) in this form. |
---|---|
MeSH term(s) | Biomolecular Condensates ; Preservation, Biological ; Phase Separation ; RNA ; Ribonucleoproteins |
Chemical Substances | RNA (63231-63-0) ; Ribonucleoproteins |
Language | English |
Publishing date | 2024-03-06 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 2810933-8 |
ISSN | 2375-2548 ; 2375-2548 |
ISSN (online) | 2375-2548 |
ISSN | 2375-2548 |
DOI | 10.1126/sciadv.adm7435 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
More links
Kategorien
Order via subito
This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.