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 …

[HTML][HTML] Fundamental behaviors emerge from simulations of a living minimal cell

ZR Thornburg, DM Bianchi, TA Brier, BR Gilbert… - Cell, 2022 - cell.com
We present a whole-cell fully dynamical kinetic model (WCM) of JCVI-syn3A, a minimal cell
with a reduced genome of 493 genes that has retained few regulatory proteins or small …

[HTML][HTML] Sampling the conformational space of the catalytic subunit of human γ-secretase

X Bai, E Rajendra, G Yang, Y Shi, SHW Scheres - elife, 2015 - elifesciences.org
Human γ-secretase is an intra-membrane protease that cleaves many different substrates.
Aberrant cleavage of Notch is implicated in cancer, while abnormalities in cutting amyloid …

Mechanisms of integral membrane protein insertion and folding

F Cymer, G Von Heijne, SH White - Journal of molecular biology, 2015 - Elsevier
The biogenesis, folding, and structure of α-helical membrane proteins (MPs) are important to
understand because they underlie virtually all physiological processes in cells including key …

[HTML][HTML] Structure of the mammalian ribosome-Sec61 complex to 3.4 Å resolution

RM Voorhees, IS Fernández, SHW Scheres, RS Hegde - Cell, 2014 - cell.com
Cotranslational protein translocation is a universally conserved process for secretory and
membrane protein biosynthesis. Nascent polypeptides emerging from a translating …

[HTML][HTML] Structure of the native Sec61 protein-conducting channel

S Pfeffer, L Burbaum, P Unverdorben, M Pech… - Nature …, 2015 - nature.com
In mammalian cells, secretory and membrane proteins are translocated across or inserted
into the endoplasmic reticulum (ER) membrane by the universally conserved protein …

[HTML][HTML] An update on Sec61 channel functions, mechanisms, and related diseases

S Lang, S Pfeffer, PH Lee, A Cavalié, V Helms… - Frontiers in …, 2017 - frontiersin.org
The membrane of the endoplasmic reticulum (ER) of nucleated human cells harbors the
protein translocon, which facilitates membrane integration or translocation of almost every …

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 …

Structure of the Sec61 channel opened by a signal sequence

RM Voorhees, RS Hegde - Science, 2016 - science.org
Secreted and integral membrane proteins compose up to one-third of the biological
proteome. These proteins contain hydrophobic signals that direct their translocation across …