E3 ubiquitin ligases: styles, structures and functions

Q Yang, J Zhao, D Chen, Y Wang - Molecular biomedicine, 2021 - Springer
E3 ubiquitin ligases are a large family of enzymes that join in a three-enzyme ubiquitination
cascade together with ubiquitin activating enzyme E1 and ubiquitin conjugating enzyme E2 …

Protein neddylation: beyond cullin–RING ligases

RI Enchev, BA Schulman, M Peter - Nature reviews Molecular cell …, 2015 - nature.com
NEDD8 (neural precursor cell expressed developmentally downregulated protein 8) is a
ubiquitin-like protein that activates the largest ubiquitin E3 ligase family, the cullin–RING …

Copper promotes tumorigenesis by activating the PDK1‐AKT oncogenic pathway in a copper transporter 1 dependent manner

J Guo, J Cheng, N Zheng, X Zhang, X Dai… - Advanced …, 2021 - Wiley Online Library
Copper plays pivotal roles in metabolic homoeostasis, but its potential role in human
tumorigenesis is not well defined. Here, it is revealed that copper activates the …

K63 ubiquitylation triggers proteasomal degradation by seeding branched ubiquitin chains

F Ohtake, H Tsuchiya, Y Saeki… - Proceedings of the …, 2018 - National Acad Sciences
Different polyubiquitin chain linkages direct substrates toward distinct cellular pathways. K63-
linked ubiquitylation is known to regulate proteasome-independent events such as signal …

Structural snapshots along K48-linked ubiquitin chain formation by the HECT E3 UBR5

LA Hehl, D Horn-Ghetko, JR Prabu, R Vollrath… - Nature Chemical …, 2024 - nature.com
Ubiquitin (Ub) chain formation by homologous to E6AP C-terminus (HECT)-family E3 ligases
regulates vast biology, yet the structural mechanisms remain unknown. We used chemistry …

RBR E3 ubiquitin ligases: new structures, new insights, new questions

DE Spratt, H Walden, GS Shaw - Biochemical journal, 2014 - portlandpress.com
The RBR (RING-BetweenRING-RING) or TRIAD [two RING fingers and a DRIL (double
RING finger linked)] E3 ubiquitin ligases comprise a group of 12 complex multidomain …

Branching out: improved signaling by heterotypic ubiquitin chains

DL Haakonsen, M Rape - Trends in cell biology, 2019 - cell.com
Ubiquitin chains of distinct topologies control the stability, interactions, or localization of
many proteins in eukaryotic cells, and thus play an essential role in cellular information …

HECT E3 ligases: a tale with multiple facets

J Weber, S Polo, E Maspero - Frontiers in physiology, 2019 - frontiersin.org
Ubiquitination plays a pivotal role in several cellular processes and is critical for protein
degradation and signaling. E3 ubiquitin ligases are the matchmakers in the ubiquitination …

Ubiquitin linkage-specific affimers reveal insights into K6-linked ubiquitin signaling

MA Michel, KN Swatek, MK Hospenthal, D Komander - Molecular cell, 2017 - cell.com
Several ubiquitin chain types have remained unstudied, mainly because tools and
techniques to detect these posttranslational modifications are scarce. Linkage-specific …

The Skp2 pathway: a critical target for cancer therapy

Z Cai, A Moten, D Peng, CC Hsu, BS Pan… - Seminars in cancer …, 2020 - Elsevier
Strictly regulated protein degradation by ubiquitin-proteasome system (UPS) is essential for
various cellular processes whose dysregulation is linked to serious diseases including …