Aug 03 2023
Satchal K Erramilli, Pawel K Dominik, Chinemerem P Ogbu, Anthony A Kossiakoff, Alex J Vecchio
bioRxiv 2023 Jun 12, 2023
PMID: 37398044 PMCID: PMC10312657 DOI: 10.1101/2023.06.12.544689
Claudins are a family of ∼25 kDa membrane proteins that integrate into tight junctions to form molecular barriers at the paracellular spaces between endothelial and epithelial cells. Humans have 27 subtypes, which homo- and hetero-oligomerize to …
Jul 24 2023
Satchal K. Erramilli, Pawel K. Dominik, Dawid Deneka , Piotr Tokarz , Sangwoo S. Kim, Bharat G. Reddy, Blazej M. Skrobek , Olivier Dalmas , Eduardo Perozo, Anthony A. Kossiakoff
J Mol Biol. 2023
PMD: 37394032 PMID: 37394032 DOI: 10.1016/j.jmb.2023.168192
CorA, the primary magnesium ion channel in prokaryotes and archaea, is a prototypical homopentameric ion channel that undergoes ion-dependent conformational transitions. CorA adopts five-fold symmetric non-conductive states in the presence of high concentrations of Mg2+, and highly asymmetric …
Apr 03 2023
Karthik Srinivasan, Satchal K. Erramilli, Srinivas Chakravarthy, Adrian Gonzalez, Anthony Kossiakoff, Nicholas Noinaj
Structure. 2023 Mar 17; S0969-2126(23)00078-3.
PMID: 36977410 DOI: 10.1016/j.str.2023.03.002
Roughly 95% of the proteins that make up the chloroplast must be imported from the cytoplasm. The machinery responsible for the translocation of these cargo proteins is called the translocon at the outer …
Mar 23 2023
David M Kern, Julia Bleier, Somnath Mukherjee, Jennifer M Hill, Anthony A Kossiakoff, Ehud Y Isacoff, Stephen G Brohawn
Nat Struct Mol Biol 2023 Mar 16
PMID: 36928458 DOI: 10.1038/s41594-023-00944-6
Leucine-rich repeat-containing protein 8 (LRRC8) family members form volume-regulated anion channels activated by hypoosmotic cell swelling. LRRC8 channels are ubiquitously expressed in vertebrate cells as …
Feb 13 2023
Szymon P Kordon, Przemysław Dutka, Justyna M Adamska, Sumit J Bandekar, Katherine Leon, Satchal K Erramilli, Brock Adams, Jingxian Li, Anthony A Kossiakoff, Demet Araç
Nat Commun. 2023 Feb 6
PMID: 36746957 PMCID: PMC9902482 DOI: 10.1038/s41467-023-36312-7
Adhesion G protein-coupled receptors (aGPCRs) are cell-surface proteins with large extracellular regions that bind to multiple ligands to regulate …
Feb 13 2023
Joël S Bloch, Alan John, Runyu Mao, Somnath Mukherjee, Jérémy Boilevin, Rossitza N Irobalieva, Tamis Darbre, Nichollas E Scott, Jean-Louis Reymond, Anthony A Kossiakoff, Ethan D Goddard-Borger, Kaspar P Locher
Nat Chem Biol. 2023 Jan 5
PMID: 36604564 DOI: 10.1038/s41589-022-01219-9
C-linked glycosylation is essential for the trafficking, folding and function of secretory and transmembrane proteins …
Aug 15 2022
Benjamin J. Orlando, Pawel K. Dominik, Sourav Roy, Chinemerem P. Ogbu, Satchal K. Erramilli, AnthonyA. Kossiakoff, Alex J. Vecchio
JBC Journal of Biological Chemistry 9 August 2022, 102357
PMID: 35952760 PMCID: PMC9463536 DOI: jbc.2022.102357
Strains of Clostridium perfringens produce a two-domain enterotoxin (CpE) that afflicts humans and domesticated animals, causing prevalent gastrointestinal illnesses. CpE’s C-terminal domain …
Aug 08 2022
Yu-Chen Yen, Christopher T Schafer, Martin Gustavsson, Stefanie A Eberle, Pawel K Dominik, Dawid Deneka, Penglie Zhang, Thomas J Schall, Anthony A Kossiakoff, John J G Tesmer, Tracy M Handel
Sci Adv. 2022 Jul 15;8(28):eabn8063.
PMID: 35857509 PMCID: PMC9278869 DOI: 10.1126/sciadv.abn8063
Both CXC chemokine receptor 4 (CXCR4) and atypical chemokine receptor 3 (ACKR3) are activated by …
Jul 05 2022
Peiqiang Feng, Xudong Wu, Satchal K Erramilli, Joao A Paulo, Pawel Knejski, Steven P Gygi, Anthony A Kossiakoff, Tom A Rapoport
Nature. 2022 Jun 29
PMID: 35768507 DOI: 10.1038/s41586-022-04903-x
Peroxisomes are ubiquitous organelles that house various metabolic reactions and are essential for human health1-4. Luminal peroxisomal proteins are imported from the cytosol by mobile receptors, which then …
Jul 05 2022
Hongtao Liu, Rossitza N. Irobalieva, Rose Bang-Sørensen, Kamil Nosol, Somnath Mukherjee, Parth Agrawal, Bruno Stieger, Anthony A. Kossiakoff & Kaspar P. Locher
Cell Research (2022) 0:1–4
PMID: 35726088 DOI: 10.1038/s41422-022-00680-4
The sodium taurocholate (TC) co-transporting polypeptide NTCP (SLC10A1) is a secondary active membrane transport protein that mediates the uptake of bile salts from the portal blood plasma …