Mechanisms and pathology of protein misfolding and aggregation

N Louros, J Schymkowitz, F Rousseau - Nature Reviews Molecular Cell …, 2023 - nature.com
Despite advances in machine learning-based protein structure prediction, we are still far
from fully understanding how proteins fold into their native conformation. The conventional …

[HTML][HTML] Mechanistic concepts of iron-sulfur protein biogenesis in Biology

JJ Braymer, SA Freibert, M Rakwalska-Bange… - Biochimica et Biophysica …, 2021 - Elsevier
Abstract Iron-sulfur (Fe/S) proteins are present in virtually all living organisms and are
involved in numerous cellular processes such as respiration, photosynthesis, metabolic …

Sequence grammar underlying the unfolding and phase separation of globular proteins

KM Ruff, YH Choi, D Cox, AR Ormsby, Y Myung… - Molecular cell, 2022 - cell.com
Aberrant phase separation of globular proteins is associated with many diseases. Here, we
use a model protein system to understand how the unfolded states of globular proteins drive …

DNAJB6 mutants display toxic gain of function through unregulated interaction with Hsp70 chaperones

M Abayev-Avraham, Y Salzberg, D Gliksberg… - Nature …, 2023 - nature.com
Molecular chaperones are essential cellular components that aid in protein folding and
preventing the abnormal aggregation of disease-associated proteins. Mutations in one such …

Intravenous treatment with a molecular chaperone designed against β-amyloid toxicity improves Alzheimer's disease pathology in mouse models

S Manchanda, L Galan-Acosta, A Abelein, S Tambaro… - Molecular Therapy, 2023 - cell.com
Attempts to treat Alzheimer's disease with immunotherapy against the β-amyloid (Aβ)
peptide or with enzyme inhibitors to reduce Aβ production have not yet resulted in effective …

Visualizing chaperonin function in situ by cryo-electron tomography

J Wagner, AI Carvajal, A Bracher, F Beck, W Wan… - Nature, 2024 - nature.com
Chaperonins are large barrel-shaped complexes that mediate ATP-dependent protein
folding,–. The bacterial chaperonin GroEL forms juxtaposed rings that bind unfolded protein …

Trigger factor both holds and folds its client proteins

K Wu, TC Minshull, SE Radford, AN Calabrese… - Nature …, 2022 - nature.com
ATP-independent chaperones like trigger factor are generally assumed to play passive roles
in protein folding by acting as holding chaperones. Here we show that trigger factor plays a …

Understanding GroEL and DnaK stress response proteins as antigens for bacterial diseases

KR Fourie, HL Wilson - Vaccines, 2020 - mdpi.com
Bacteria do not simply express a constitutive panel of proteins but they instead undergo
dynamic changes in their protein repertoire in response to changes in nutritional status and …

The largely unexplored biology of small proteins in pro‐and eukaryotes

R Steinberg, HG Koch - The FEBS journal, 2021 - Wiley Online Library
The large abundance of small open reading frames (smORFs) in prokaryotic and eukaryotic
genomes and the plethora of smORF‐encoded small proteins became only apparent with …

Quantitative glycoproteomics reveals cellular substrate selectivity of the ER protein quality control sensors UGGT1 and UGGT2

BM Adams, NP Canniff, KP Guay, ISB Larsen… - Elife, 2020 - elifesciences.org
UDP-glucose: glycoprotein glucosyltransferase (UGGT) 1 and 2 are central hubs in the
chaperone network of the endoplasmic reticulum (ER), acting as gatekeepers to the early …