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Chrustowicz, J.* ; Sherpa, D.* ; Teyra, J.* ; Loke, M.S.* ; Popowicz, G.M. ; Basquin, J.* ; Sattler, M. ; Prabu, J.R.* ; Sidhu, S.S.* ; Schulman, B.A.*

Multifaceted N-degron recognition and ubiquitylation by GID/CTLH E3 ligases.

J. Mol. Biol. 434:167347 (2022)
Verlagsversion Forschungsdaten DOI PMC
Open Access Hybrid
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N-degron E3 ubiquitin ligases recognize specific residues at the N-termini of substrates. Although molecular details of N-degron recognition are known for several E3 ligases, the range of N-terminal motifs that can bind a given E3 substrate binding domain remains unclear. Here, we discovered capacity of Gid4 and Gid10 substrate receptor subunits of yeast “GID”/human “CTLH” multiprotein E3 ligases to tightly bind a wide range of N-terminal residues whose recognition is determined in part by the downstream sequence context. Screening of phage displaying peptide libraries with exposed N-termini identified novel consensus motifs with non-Pro N-terminal residues binding Gid4 or Gid10 with high affinity. Structural data reveal that conformations of flexible loops in Gid4 and Gid10 complement sequences and folds of interacting peptides. Together with analysis of endogenous substrate degrons, the data show that degron identity, substrate domains harboring targeted lysines, and varying E3 ligase higher-order assemblies combinatorially determine efficiency of ubiquitylation and degradation.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter N-degron Pathway ; Phage Display ; Protein–protein Interaction ; Structural Biology ; Ubiquitin; End Rule Pathway; Ubiquitin-proteasome System; Structural Basis; Catabolite Degradation; Terminal Acetylation; Gid Complex; Substrate Recognition; Protein-quality; Molecular-basis; Phage Display
Sprache englisch
Veröffentlichungsjahr 2022
Prepublished im Jahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 0022-2836
e-ISSN 1089-8638
Zeitschrift Journal of Molecular Biology
Quellenangaben Band: 434, Heft: 2, Seiten: , Artikelnummer: 167347 Supplement: ,
Verlag Elsevier
Verlagsort 24-28 Oval Rd, London Nw1 7dx, England
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Structural Biology (STB)
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-503000-001
Förderungen Deutsche Forschungsgemeinschaft (DFG)
Max Planck Society
Leibniz Prize
DOI 10.1016/j.jmb.2021.167347
WOS ID WOS:000725064200007
Scopus ID 85119584579
PubMed ID 34767800
Erfassungsdatum 2021-12-21
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