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Pabis, M. ; Corsini, L. ; Vincendeau, M. ; Tripsianes, K.* ; Gibson, T.J.* ; Brack-Werner, R. ; Sattler, M.

Modulation of HIV-1 gene expression by binding of a ULM motif in the Rev protein to UHM-containing splicing factors.

Nucleic Acids Res. 47, 4859-4871 (2019)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
The HIV-1 protein Rev is essential for virus replication and ensures the expression of partially spliced and unspliced transcripts. We identified a ULM (UHM ligand motif) motif in the Arginine-Rich Motif (ARM) of the Rev protein. ULMs (UHM ligand motif) mediate protein interactions during spliceosome assembly by binding to UHM (U2AF homology motifs) domains. Using NMR, biophysical methods and crystallography we show that the Rev ULM binds to the UHMs of U2AF65 and SPF45. The highly conserved Trp45 in the Rev ULM is crucial for UHM binding in vitro, for Rev co-precipitation with U2AF65 in human cells and for proper processing of HIV transcripts. Thus, Rev-ULM interactions with UHM splicing factors contribute to the regulation of HIV-1 transcript processing, also at the splicing level. The Rev ULM is an example of viral mimicry of host short linear motifs that enables the virus to interfere with the host molecular machinery.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter U2af Homology Motif; Rna Recognition; Terminal Domain; In-vitro; Peptide; Translation; Expansion; Sf3b155; Design
Sprache englisch
Veröffentlichungsjahr 2019
HGF-Berichtsjahr 2019
ISSN (print) / ISBN 0305-1048
e-ISSN 1362-4962
Quellenangaben Band: 47, Heft: 9, Seiten: 4859-4871 Artikelnummer: , Supplement: ,
Verlag Oxford University Press
Verlagsort Great Clarendon St, Oxford Ox2 6dp, England
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Structural Biology (STB)
Institute of Virology (VIRO)
Research Unit Signaling and Translation (SAT)
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Enabling and Novel Technologies
Immune Response and Infection
PSP-Element(e) G-503000-001
G-502700-009
G-502700-001
G-509800-002
Scopus ID 85066058174
PubMed ID 30892606
Erfassungsdatum 2019-03-26