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 …

Co-translational protein targeting in bacteria

R Steinberg, L Knüpffer, A Origi, R Asti… - FEMS microbiology …, 2018 - academic.oup.com
About 30% of all bacterial proteins execute their function outside of the cytosol and have to
be transported into or across the cytoplasmic membrane. Bacteria use multiple protein …

Targeting and insertion of membrane proteins

A Kuhn, HG Koch, RE Dalbey - EcoSal Plus, 2017 - Am Soc Microbiol
The insertion and assembly of proteins into the inner membrane of bacteria are crucial for
many cellular processes, including cellular respiration, signal transduction, and ion and pH …

Molecular mechanism of cargo recognition and handover by the mammalian signal recognition particle

A Jomaa, S Eitzinger, Z Zhu, S Chandrasekar… - Cell reports, 2021 - cell.com
Co-translational protein targeting to membranes by the signal recognition particle (SRP) is a
universally conserved pathway from bacteria to humans. In mammals, SRP and its receptor …

Structure of the quaternary complex between SRP, SR, and translocon bound to the translating ribosome

A Jomaa, YHH Fu, D Boehringer, M Leibundgut… - Nature …, 2017 - nature.com
During co-translational protein targeting, the signal recognition particle (SRP) binds to the
translating ribosome displaying the signal sequence to deliver it to the SRP receptor (SR) on …

Protein transport across the bacterial plasma membrane by the Sec pathway

D Smets, MS Loos, S Karamanou, A Economou - The Protein Journal, 2019 - Springer
More than a third of all bacterial polypeptides, comprising the 'exportome', are transported to
extracytoplasmic locations. Most of the exportome is targeted and inserts into …

Posttranslational insertion of small membrane proteins by the bacterial signal recognition particle

R Steinberg, A Origi, A Natriashvili, P Sarmah… - PLoS …, 2020 - journals.plos.org
Small membrane proteins represent a largely unexplored yet abundant class of proteins in
pro-and eukaryotes. They essentially consist of a single transmembrane domain and are …

Noncompetitive binding of PpiD and YidC to the SecYEG translocon expands the global view on the SecYEG interactome in Escherichia coli

B Jauss, NA Petriman, F Drepper, L Franz… - Journal of Biological …, 2019 - ASBMB
The SecYEG translocon constitutes the major protein transport channel in bacteria and
transfers an enormous variety of different secretory and inner-membrane proteins. The …

Lateral gate dynamics of the bacterial translocon during cotranslational membrane protein insertion

E Mercier, X Wang, M Maiti… - Proceedings of the …, 2021 - National Acad Sciences
During synthesis of membrane proteins, transmembrane segments (TMs) of nascent
proteins emerging from the ribosome are inserted into the central pore of the translocon …

Signal recognition particle binds to translating ribosomes before emergence of a signal anchor sequence

E Mercier, W Holtkamp, MV Rodnina… - Nucleic acids …, 2017 - academic.oup.com
The bacterial signal recognition particle (SRP) is part of the machinery that targets
ribosomes synthesizing membrane proteins to membrane-embedded translocons co …