Protein export through the bacterial Sec pathway

A Tsirigotaki, J De Geyter, A Economou… - Nature Reviews …, 2017 - nature.com
The general secretory (Sec) pathway comprises an essential, ubiquitous and universal
export machinery for most proteins that integrate into, or translocate through, the plasma …

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 …

Crystal structure of a substrate-engaged SecY protein-translocation channel

L Li, E Park, JJ Ling, J Ingram, H Ploegh, TA Rapoport - Nature, 2016 - nature.com
Hydrophobic signal sequences target secretory polypeptides to a protein-conducting
channel formed by a heterotrimeric membrane protein complex, the prokaryotic SecY or …

Stepwise gating of the Sec61 protein-conducting channel by Sec63 and Sec62

S Itskanov, KM Kuo, JC Gumbart, E Park - Nature structural & molecular …, 2021 - nature.com
Many proteins are transported into the endoplasmic reticulum by the universally conserved
Sec61 channel. Post-translational transport requires two additional proteins, Sec62 and …

[PDF][PDF] Recent advances in membrane mimetics for membrane protein research

JW Young - Biochemical Society Transactions, 2023 - portlandpress.com
Membrane proteins are a highly relevant class of biological molecules and comprise∼ 60%
of current drug targets. Before being analyzed by structural, biochemical, and biophysical …

The dynamic SecYEG translocon

J Oswald, R Njenga, A Natriashvili… - Frontiers in Molecular …, 2021 - frontiersin.org
The spatial and temporal coordination of protein transport is an essential cornerstone of the
bacterial adaptation to different environmental conditions. By adjusting the protein …

Structure of the substrate-engaged SecA-SecY protein translocation machine

C Ma, X Wu, D Sun, E Park, MA Catipovic… - Nature …, 2019 - nature.com
Abstract The Sec61/SecY channel allows the translocation of many proteins across the
eukaryotic endoplasmic reticulum membrane or the prokaryotic plasma membrane. In …

The Sec System: Protein Export in Escherichia coli

JM Crane, LL Randall - EcoSal Plus, 2017 - Am Soc Microbiol
In Escherichia coli, proteins found in the periplasm or the outer membrane are exported from
the cytoplasm by the general secretory, Sec, system before they acquire stably folded …

Inner membrane YfgM–PpiD heterodimer acts as a functional unit that associates with the SecY/E/G translocon and promotes protein translocation

R Miyazaki, M Ai, N Tanaka, T Suzuki… - Journal of Biological …, 2022 - ASBMB
PpiD and YfgM are inner membrane proteins that are both composed of an N-terminal
transmembrane segment and a C-terminal periplasmic domain. Escherichia coli YfgM and …

Specific cardiolipin–SecY interactions are required for proton-motive force stimulation of protein secretion

RA Corey, E Pyle, WJ Allen… - Proceedings of the …, 2018 - National Acad Sciences
The transport of proteins across or into membranes is a vital biological process, achieved in
every cell by the conserved Sec machinery. In bacteria, SecYEG combines with the SecA …