A peroxisomal ubiquitin ligase complex forms a retrotranslocation channel

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 …

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Structure of human NTCP reveals the basis of recognition and sodium-driven transport of bile salts into the liver

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 …

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Architecture of the cytoplasmic face of the nuclear pore

Christopher J Bley, Si Nie, George W Mobbs, Stefan Petrovic, Anna T Gres, Xiaoyu Liu, Somnath Mukherjee, Sho Harvey, Ferdinand M Huber, Daniel H Lin, Bonnie Brown, Aaron W Tang, Emily J Rundlet, Ana R Correia, Shane Chen, Saroj G Regmi, Taylor A Stevens, Claudia A Jette, Mary Dasso, Alina Patke, Alexander F Palazzo, …

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Quaternary structure independent folding of voltage-gated ion channel pore domain subunits

Cristina Arrigoni, Marco Lolicato, David Shaya, Ahmed Rohaim, Felix Findeisen, Lam-Kiu Fong, Claire M Colleran, Pawel Dominik, Sangwoo S Kim, Jonathan P Schuermann, William F DeGrado, Michael Grabe, Anthony A Kossiakoff, Daniel L Minor

Nat Struct Mol Biol. 2022 Jun;29(6):537-548.

PMID: 35655098 DOI: 10.1038/s41594-022-00775-x

Every voltage-gated ion channel (VGIC) …

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Synthetic antibody binders detect distinct cellular states of Chromosome Passenger Complex proteins

Marcin Ura, Somnath Mukherjee, Edyta Marcon, Stefan A Koestler, Anthony A Kossiakoff

J Mol Biol. 2022 Apr 22;167602.

PMID: 35469831 DOI: 10.1016/j.jmb.2022.167602

High-performance affinity reagents are essential tools to enable biologists to profile the cellular location and composition of macromolecular complexes undergoing dynamic reorganization. To support further development …

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Structural basis of lipopolysaccharide maturation by the O-antigen ligase

Khuram U. Ashraf, Rie Nygaard, Owen N. Vickery, Satchal K. Erramilli, Carmen M. Herrera, Thomas H. McConville, Vasileios I. Petrou, Sabrina I. Giacometti, Meagan Belcher Dufrisne, Kamil Nosol, Allen P. Zinkle, Chris L. B. Graham, Michael Loukeris, Brian Kloss, Karolina Skorupinska-Tudek, Ewa Swiezewska, David I. Roper, Oliver B. Clarke, Anne-Catrin Uhlemann, Anthony A. Kossiakoff, …

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Targeting a proteolytic neoepitope on CUB domain containing protein 1 (CDCP1) for RAS-driven cancers

Shion A Lim, Jie Zhou, Alexander J Martinko, Yung-Hua Wang, Ekaterina V Filippova, Veronica Steri, Donghui Wang, Soumya G Remesh, Jia Liu, Byron Hann, Anthony A Kossiakoff, Michael J Evans, Kevin K Leung, James A Wells

J Clin Invest. 2022 Feb 15;132(4):e154604.

PMID: 35166238 PMCID: PMC8843743 DOI: 10.1172/JCI154604

Extracellular proteolysis is …

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Engineering of a synthetic antibody fragment for structural and functional studies of K+ channels

Ahmed Rohaim, Tomasz Slezak, Young Hoon Koh, Lydia Blachowicz, Anthony A Kossiakoff, Benoît Roux

J Gen Physiol. 2022 Apr 4;154(4):e202112965.

PMID: 35234830 DOI: 10.1085/jgp.202112965

Engineered antibody fragments (Fabs) have made major impacts on structural biology research, particularly to aid structural determination of membrane proteins. Nonetheless, Fabs generated by traditional …

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Development of a universal nanobody-binding Fab module for fiducial-assisted cryo-EM studies of membrane proteins

Joël S Bloch, Somnath Mukherjee, Julia Kowal, Ekaterina V Filippova, Martina Niederer, Els Pardon, Jan Steyaert, Anthony A Kossiakoff, Kaspar P Locher

Proc Natl Acad Sci U S A. 2021 Nov 23;118(47)

PMID: 34782475 DOI: 10.1073/pnas.2115435118

With conformation-specific nanobodies being used for a wide range of structural, biochemical, …

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Structures of ABCB4 provide insight into phosphatidylcholine translocation

Kamil Nosol, Rose Bang-Sørensen, Rossitza N Irobalieva, Satchal K Erramilli, Bruno Stieger, Anthony A Kossiakoff, Kaspar P Locher

Proc Natl Acad Sci USA 2021 Aug 17;118(33):e2106702118. 

PMID: 34385322 PMCID: PMC8379956 (available on 2022-02-12)

DOI: 10.1073/pnas.2106702118

ABCB4 is expressed in hepatocytes and translocates phosphatidylcholine into bile canaliculi. …

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