[HTML][HTML] What's the Key to Unlocking the Proteasome's Gate?

AH de la Pena, GC Lander - Structure, 2016 - cell.com
In this issue of Structure, Bolten et al.(2016) describe the organization of the mycobacterial
proteasome in complex with the ATP-independent bacterial proteasome activator (Bpa …

[HTML][HTML] Bacterial proteasome activator bpa (rv3780) is a novel ring-shaped interactor of the mycobacterial proteasome

CL Delley, J Laederach, M Ziemski, M Bolten… - PloS one, 2014 - journals.plos.org
The occurrence of the proteasome in bacteria is limited to the phylum of actinobacteria,
where it is maintained in parallel to the usual bacterial compartmentalizing proteases. The …

Proteasome Substrate Capture and Gate Activation by Mycobacterium tuberculosis PafE

K Hu, JB Jastrab, S Zhang, A Kovach, G Zhao… - bioRxiv, 2018 - biorxiv.org
In all domains of life, proteasomes are gated chambered proteases that require opening by
activators in order to facilitate protein degradation. Twelve proteasome accessory factor E …

The Bacterial Proteasome Inter-domain Is a Selectivity Barrier for Degradation-tag Binding

Z Mor-Rashti, R Levin, J Eichler, E Gur - Journal of Molecular Biology, 2024 - Elsevier
Protein degradation, which occurs in all cells, is essential for proper cellular function by
regulating many cellular processes, destroying misfolded proteins, and providing protein …

Structural analysis of the dodecameric proteasome activator PafE in Mycobacterium tuberculosis

L Bai, K Hu, T Wang, JB Jastrab… - Proceedings of the …, 2016 - National Acad Sciences
The human pathogen Mycobacterium tuberculosis (Mtb) requires a proteasome system to
cause lethal infections in mice. We recently found that proteasome accessory factor E (PafE …

Bacterial proteasomes

JB Jastrab, KH Darwin - Annual review of microbiology, 2015 - annualreviews.org
Interest in bacterial proteasomes was sparked by the discovery that proteasomal
degradation is required for the pathogenesis of Mycobacterium tuberculosis, one of the …

Regulatory loops within the proteasome

R Karmona - 2019 - search.proquest.com
Efficient proteasomal degradation requires the orchestrated execution of multiple activities
within the proteasome regulatory complex, including substrate binding, unfolding, gate …

[HTML][HTML] Proteasome substrate capture and gate opening by the accessory factor PafE from Mycobacterium tuberculosis

K Hu, JB Jastrab, S Zhang, A Kovach, G Zhao… - Journal of Biological …, 2018 - ASBMB
In all domains of life, proteasomes are gated, chambered proteases that require opening by
activators to facilitate protein degradation. Twelve proteasome accessory factor E (PafE) …

Crystal structure of archaeal homolog of proteasome-assembly chaperone PbaA

A Sikdar, T Satoh, M Kawasaki, K Kato - Biochemical and biophysical …, 2014 - Elsevier
Formation of the eukaryotic proteasome is not a spontaneous process but a highly ordered
process assisted by several assembly chaperones. In contrast, archaeal proteasome …

[HTML][HTML] Structural analysis of the bacterial proteasome activator Bpa in complex with the 20S proteasome

M Bolten, CL Delley, M Leibundgut, D Boehringer… - Structure, 2016 - cell.com
Mycobacterium tuberculosis harbors proteasomes that recruit substrates for degradation
through an ubiquitin-like modification pathway. Recently, a non-ATPase activator termed …