The molecular biodiversity of protein targeting and protein transport related to the endoplasmic reticulum

A Tirincsi, M Sicking, D Hadzibeganovic… - International journal of …, 2021 - mdpi.com
Looking at the variety of the thousands of different polypeptides that have been focused on
in the research on the endoplasmic reticulum from the last five decades taught us one …

TPR-containing proteins control protein organization and homeostasis for the endoplasmic reticulum

JB Graham, NP Canniff, DN Hebert - Critical reviews in …, 2019 - Taylor & Francis
The endoplasmic reticulum (ER) is a complex, multifunctional organelle comprised of a
continuous membrane and lumen that is organized into a number of functional regions. It …

Dynamic stability of Sgt2 enables selective and privileged client handover in a chaperone triad

H Cho, Y Liu, SY Chung, S Chandrasekar… - Nature …, 2024 - nature.com
Membrane protein biogenesis poses acute challenges to protein homeostasis, and how they
are selectively escorted to the target membrane is not well understood. Here we address this …

Molecular basis of tail-anchored integral membrane protein recognition by the cochaperone Sgt2

KF Lin, MY Fry, SM Saladi, WM Clemons - Journal of Biological Chemistry, 2021 - ASBMB
The targeting and insertion of tail-anchored (TA) integral membrane proteins (IMPs) into the
correct membrane is critical for cellular homeostasis. The fungal protein Sgt2, and its human …

Kinetic Resolution of Epimeric Proteins Enables Stereoselective Chemical Mutagenesis

G Ablat, N Lawton, R Alam, BA Haynes… - Journal of the …, 2024 - ACS Publications
Chemical mutagenesis via dehydroalanine (Dha) is a powerful method to tailor protein
structure and function, allowing the site-specific installation of post-translational …

SGTA associates with intracellular aggregates in neurodegenerative diseases

S Kubota, H Doi, S Koyano, K Tanaka, H Komiya… - Molecular Brain, 2021 - Springer
Intracellular aggregates are a common pathological hallmark of neurodegenerative
diseases such as polyglutamine (polyQ) diseases, amyotrophic lateral sclerosis (ALS) …

USP5 enhances SGTA mediated protein quality control

J Hill, Y Nyathi - Plos one, 2022 - journals.plos.org
Mislocalised membrane proteins (MLPs) present a risk to the cell due to exposed
hydrophobic amino acids which cause MLPs to aggregate. Previous studies identified SGTA …

Mitochondrial antiviral-signalling protein is a client of the BAG6 protein quality control complex

P Roboti, C Lawless, S High - Journal of Cell Science, 2022 - journals.biologists.com
The heterotrimeric BAG6 complex coordinates the direct handover of newly synthesised tail-
anchored (TA) membrane proteins from an SGTA-bound preloading complex to the …

[HTML][HTML] Insights into the structure and function of the C-terminus of SGTs (small glutamine-rich TPR-containing proteins): A study of the Aedes aegypti homolog

NG Quel, LF de C Rodrigues, AZB Aragao… - Biochimie, 2021 - Elsevier
SGTs (small glutamine-rich TPR-containing proteins) are dimeric proteins that belong to the
class of co-chaperones characterized by the presence of TPR domains (containing …

The client-binding domain of the cochaperone SGTA/Sgt2 has a helical-hand structure that binds a short hydrophobic helix

KF Lin, M Fry, S Saladi, WM Clemons Jr - bioRxiv, 2019 - biorxiv.org
The correct targeting and insertion of tail-anchored (TA) integral membrane proteins (IMP) is
critical for cellular homeostasis. The mammalian protein SGTA, and its fungal homolog Sgt2 …