Ubiquitination of non-protein substrates

J Sakamaki, N Mizushima - Trends in Cell Biology, 2023 - cell.com
The covalent attachment of ubiquitin is a common regulatory mechanism in various proteins.
Although it has long been thought that the substrates of ubiquitination are limited to proteins …

E3 ubiquitin ligases and deubiquitinases in bladder cancer tumorigenesis and implications for immunotherapies

M Wang, Z Zhang, Z Li, Y Zhu, C Xu - Frontiers in Immunology, 2023 - frontiersin.org
With the rapidly increasing incidence of bladder cancer in China and worldwide, great efforts
have been made to understand the detailed mechanism of bladder cancer tumorigenesis …

Mechanistic insights into the enzymatic activity of E3 ligase HOIL-1L and its regulation by the linear ubiquitin chain binding

X Xu, Y Wang, Y Zhang, Y Wang, Y Yin, C Peng… - Science …, 2023 - science.org
Heme-oxidized IRP2 ubiquitin ligase 1 (HOIL-1L) serves as a unique E3 ligase to catalyze
the mono-ubiquitination of relevant protein or sugar substrates and plays vital roles in …

Catalysis of non-canonical protein ubiquitylation by the ARIH1 ubiquitin ligase

N Purser, I Tripathi-Giesgen, J Li, DC Scott… - Biochemical …, 2023 - portlandpress.com
Protein ubiquitylation typically involves isopeptide bond formation between the C-terminus
of ubiquitin to the side-chain amino group on Lys residues. However, several ubiquitin …

Just how big is the ubiquitin system?

BC Lechtenberg, D Komander - Nature Structural & Molecular Biology, 2024 - nature.com
The modification of proteins with the small protein ubiquitin constitutes a Daedalian system
of posttranslational modifications in every eukaryotic cell, which is often referred to as the …

Design and high-throughput implementation of MALDI-TOF/MS-based assays for Parkin E3 ligase activity

R Traynor, J Moran, M Stevens, O Antico, A Knebel… - Cell Reports …, 2024 - cell.com
Parkinson's disease (PD) is a progressive neurological disorder that manifests clinically as
alterations in movement as well as multiple non-motor symptoms including but not limited to …

Enzyme-mediated adaptation of herbivorous insects to host phytochemicals

SA Dar, W Hasan, YK Devi, I Tlak Gajger… - Phytochemistry Reviews, 2024 - Springer
The review comprehensively explores factors influencing enzyme activities in insects and
their implications in defense against toxicants. It encompasses a diverse array of enzymes …

MALDI-TOF Mass Spectrometry for interrogating ubiquitin enzymes

V De Cesare - Frontiers in Molecular Biosciences, 2023 - frontiersin.org
The attachment of ubiquitin to a substrate (ubiquitination or ubiquitylation) impacts its lifetime
and regulates its function within the cell. Several classes of enzymes oversee the attachment …

Reviews in ubiquitin signaling: 2022

AJ Fletcher, PD Mabbitt - Frontiers in Molecular Biosciences, 2023 - frontiersin.org
This collection of reviews highlights the central role that ubiquitin, and ubiquitin-like proteins,
play in biology and how hypothesis driven use of new and existing biochemical tools …

[HTML][HTML] HOIL1 mediates MDA5 activation through ubiquitination of LGP2

D Cheng, J Zhu, GQ Liu, MU Gack, DA MacDuff - bioRxiv, 2024 - ncbi.nlm.nih.gov
The RIG-I-like receptors (RLRs), RIG-I and MDA5, are innate sensors of RNA virus infections
that are critical for mounting a robust antiviral immune response. We have shown previously …