Mechanisms and regulation of substrate degradation by the 26S proteasome

C Arkinson, KC Dong, CL Gee, A Martin - Nature Reviews Molecular …, 2025 - nature.com
The 26S proteasome is involved in degrading and regulating the majority of proteins in
eukaryotic cells, which requires a sophisticated balance of specificity and promiscuity. In this …

Structure, dynamics and function of the 26S proteasome

Y Mao - Macromolecular protein complexes III: Structure and …, 2021 - Springer
The 26S proteasome is the most complex ATP-dependent protease machinery, of~ 2.5 MDa
mass, ubiquitously found in all eukaryotes. It selectively degrades ubiquitin-conjugated …

PSMC3 proteasome subunit variants are associated with neurodevelopmental delay and type I interferon production

F Ebstein, S Küry, V Most, C Rosenfelt… - Science translational …, 2023 - science.org
A critical step in preserving protein homeostasis is the recognition, binding, unfolding, and
translocation of protein substrates by six AAA-ATPase proteasome subunits (ATPase …

Proteasome substrate receptors and their therapeutic potential

V Osei-Amponsa, KJ Walters - Trends in biochemical sciences, 2022 - cell.com
The ubiquitin-proteasome system (UPS) is critical for protein quality control and regulating
protein lifespans. Following ubiquitination, UPS substrates bind multidomain receptors that …

Mechanisms of substrate recognition by the 26S proteasome

C Davis, BL Spaller, A Matouschek - Current opinion in structural biology, 2021 - Elsevier
Highlights•Many types of ubiquitin modification can target proteins to the proteasome for
degradation.•The ubiquitin receptors of the RP individually and cooperatively function to …

Proteasome interaction with ubiquitinated substrates: from mechanisms to therapies

X Chen, ZM Htet, E López‐Alfonzo, A Martin… - The FEBS …, 2021 - Wiley Online Library
The 26S proteasome is responsible for regulated proteolysis in eukaryotic cells. Its
substrates are diverse in structure, function, sequence length, and amino acid composition …

[KNYGA][B] Macromolecular protein complexes III: structure and function

JR Harris, J Marles-Wright - 2021 - Springer
The compilation of this volume of the Subcellular Biochemistry series follows on from several
volumes already devoted to the Macromolecular Protein Complex theme. The present, and …

Ubiquitin modulates 26S proteasome conformational dynamics and promotes substrate degradation

E Jonsson, ZM Htet, JAM Bard, KC Dong, A Martin - Science Advances, 2022 - science.org
The 26 S proteasome recognizes thousands of appropriate protein substrates in eukaryotic
cells through attached ubiquitin chains and uses its adenosine triphosphatase (ATPase) …

Understanding the 26S proteasome molecular machine from a structural and conformational dynamics perspective

ER Greene, KC Dong, A Martin - Current opinion in structural biology, 2020 - Elsevier
Highlights•New structures show the 26S proteasome with engaged substrate during ATP
hydrolysis.•The proteasomal Rpn11 is an essential, AAA+ motor-assisted deubiquitinase.• …

Site-specific ubiquitination affects protein energetics and proteasomal degradation

EC Carroll, ER Greene, A Martin… - Nature chemical biology, 2020 - nature.com
Abstract Changes in the cellular environment modulate protein energy landscapes to drive
important biology, with consequences for signaling, allostery and other vital processes. The …