Structural and mechanistic insights into protein translocation

TA Rapoport, L Li, E Park - Annual review of cell and …, 2017 - annualreviews.org
Many proteins are translocated across the endoplasmic reticulum (ER) membrane in
eukaryotes or the plasma membrane in prokaryotes. These proteins use hydrophobic signal …

Regulation of calcium homeostasis and flux between the endoplasmic reticulum and the cytosol

L Daverkausen-Fischer, F Pröls - Journal of Biological Chemistry, 2022 - ASBMB
The concentration of Ca 2+ in the endoplasmic reticulum (ER) is critically important for
maintaining its oxidizing environment as well as for maintaining luminal ATP levels required …

[HTML][HTML] Visualization of translation and protein biogenesis at the ER membrane

M Gemmer, ML Chaillet, J van Loenhout… - Nature, 2023 - nature.com
The dynamic ribosome–translocon complex, which resides at the endoplasmic reticulum
(ER) membrane, produces a major fraction of the human proteome,. It governs the synthesis …

EMC rectifies the topology of multipass membrane proteins

H Wu, L Smalinskaitė, RS Hegde - Nature Structural & Molecular …, 2024 - nature.com
Most eukaryotic multipass membrane proteins are inserted into the membrane of the
endoplasmic reticulum. Their transmembrane domains (TMDs) are thought to be inserted co …

A translocation pathway for vesicle-mediated unconventional protein secretion

M Zhang, L Liu, X Lin, Y Wang, Y Li, Q Guo, S Li, Y Sun… - Cell, 2020 - cell.com
Many cytosolic proteins lacking a signal peptide, called leaderless cargoes, are secreted
through unconventional secretion. Vesicle trafficking is a major pathway involved. It is …

Mitochondrial aspartate regulates TNF biogenesis and autoimmune tissue inflammation

B Wu, TV Zhao, K Jin, Z Hu, MP Abdel… - Nature …, 2021 - nature.com
Misdirected immunity gives rise to the autoimmune tissue inflammation of rheumatoid
arthritis, in which excess production of the cytokine tumor necrosis factor (TNF) is a central …

Structural basis for coupling protein transport and N-glycosylation at the mammalian endoplasmic reticulum

K Braunger, S Pfeffer, S Shrimal, R Gilmore… - Science, 2018 - science.org
Protein synthesis, transport, and N-glycosylation are coupled at the mammalian
endoplasmic reticulum by complex formation of a ribosome, the Sec61 protein-conducting …

Ferritin is secreted via 2 distinct nonclassical vesicular pathways

M Truman-Rosentsvit, D Berenbaum… - Blood, The Journal …, 2018 - ashpublications.org
Ferritin turnover plays a major role in tissue iron homeostasis, and ferritin malfunction is
associated with impaired iron homeostasis and neurodegenerative diseases. In most …

Hsp70 at the membrane: driving protein translocation

EA Craig - BMC biology, 2018 - Springer
Efficient movement of proteins across membranes is required for cell health. The
translocation process is particularly challenging when the channel in the membrane through …

Structure of the post-translational protein translocation machinery of the ER membrane

X Wu, C Cabanos, TA Rapoport - Nature, 2019 - nature.com
Many proteins must translocate through the protein-conducting Sec61 channel in the
eukaryotic endoplasmic reticulum membrane or the SecY channel in the prokaryotic plasma …