Judy Luke
Author's posts
Nov 21 2023
Engineered Antigen-Binding Fragments for Enhanced Crystallization of Antibody:Antigen Complexes
Heather A Bruce, Alexander U Singer, Ekaterina V Filippova, Levi L Blazer, Jarrett J Adams, Leonie Enderle, Moshe Ben-David, Elizabeth H Radley, Daniel Y L Mao, Victor Pau, Stephen Orlicky, Frank Sicheri, Igor Kourinov, Shane Atwell, Anthony A Kossiakoff, Sachdev S Sidhu
Protein Sci. 2023 Nov 9:e4824.
PMID: 37945533 DOI: 10.1002/pro.4824
The atomic-resolution structural information …
Nov 06 2023
Structural and molecular basis of choline uptake into the brain by FLVCR2
Rosemary J. Cater, Dibyanti Mukherjee, Eva Gil Iturbe, Satchal K. Erramilli, Ting Chen, Katie Koo, Nicolás Santander Grez, Andrew Reckers, Brian Kloss, Tomasz Gawda, Brendon C. Choy, Zhening Zheng, Oliver B. Clarke, Sook Wah Yee, Anthony A. Kossiakoff, Matthias Quick, Thomas Arnold, Filippo Mancia
bioRxiv. 2023 Oct 5:2023.10.05.561059.
PMID: 37873173 PMCID: PMC10592973 DOI: 10.1101/2023.10.05.561059
Choline is an essential …
Oct 17 2023
Structure of human drug transporters OATP1B1 and OATP1B3
Anca-Denise Ciută, Kamil Nosol, Julia Kowal, Somnath Mukherjee, Ana S. Ramírez, Bruno Stieger, Anthony A. Kossiakoff & Kaspar P. Locher
Nature Communications volume 14, Article number: 5774 (2023)
PMID: 37723174 PMCID: PMC10507018 DOI: 10.1038/s41467-023-41552-8
The organic anion transporting polypeptides OATP1B1 and OATP1B3 are membrane proteins that mediate uptake of drugs into the liver for subsequent conjugation and biliary …
Oct 17 2023
Chaperone-assisted cryo-EM structure of P. aeruginosa PhuR reveals molecular basis for heme uptake
Paweł P Knejski, Satchal K Erramilli, Anthony A Kossiakoff
bioRxiv. 2023 Aug 1:2023.08.01.551527.
PMID: 37577460 PMCID: PMC10418163 DOI: 10.1101/2023.08.01.551527
Pathogenic bacteria, such as Pseudomonas aeruginosa , depend on scavenging heme for the acquisition of iron, an essential nutrient. The TonB-dependent transporter (TBDT) PhuR is the major heme uptake protein in P. aeruginosa clinical isolates. However, a comprehensive understanding …
Aug 08 2023
Antiviral HIV-1 SERINC restriction factors disrupt virus membrane asymmetry
Susan A Leonhardt, Michael D Purdy, Jonathan R Grover, Ziwei Yang, Sandra Poulos, William E McIntire, Elizabeth A Tatham, Satchal K Erramilli, Kamil Nosol, Kin Kui Lai, Shilei Ding, Maolin Lu, Pradeep D Uchil, Andrés Finzi, Alan Rein, Anthony A Kossiakoff, Walther Mothes, Mark Yeager
Nature Communications volume 14, Article number: 4368 (2023)
PMID: 37474505 …
Aug 08 2023
ACKR3-arrestin2/3 complexes reveal molecular consequences of GRK-dependent barcoding
Qiuyan Chen, Christopher T Schafer, Somnath Mukherjee, Martin Gustavsson, Parth Agrawal, Xin-Qiu Yao, Anthony A Kossiakoff, Tracy M Handel, John J G Tesmer
bioRxiv 2023 Jul 19, 2023
PMID: 37502840 PMCID: PMC10370059 DOI: 10.1101/2023.07.18.549504
Atypical chemokine receptor 3 (ACKR3, also known as CXCR7) is a scavenger receptor that regulates extracellular levels of the chemokine CXCL12 …
Aug 03 2023
Cryo-EM structures of a synthetic antibody against 22 kDa claudin-4 reveal its complex with Clostridium perfringens enterotoxin
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
Conformation-specific Synthetic Antibodies Discriminate Multiple Functional States of the Ion Channel CorA
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 …
May 03 2023
2023 NAS Election
News from the National Academy of Sciences
Newly elected member Anthony A. Kossiakoff; Professor, Department of Biochemistry and Molecular Biology, The University of Chicago
Three University of Chicago faculty members elected to the National Academy of Sciences in 2023
Apr 03 2023
Characterization of synthetic antigen binding fragments targeting Toc75 for the isolation of TOC in A. thaliana and P. sativum
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 …