Molecular basis for redox control by the human cystine/glutamate antiporter system xc

JL Parker, JC Deme, D Kolokouris, G Kuteyi… - Nature …, 2021 - nature.com
Cysteine plays an essential role in cellular redox homoeostasis as a key constituent of the
tripeptide glutathione (GSH). A rate limiting step in cellular GSH synthesis is the availability …

Principles of alternating access in LeuT-fold transporters: commonalities and divergences

D Del Alamo, J Meiler, HS Mchaourab - Journal of Molecular Biology, 2022 - Elsevier
Found in all domains of life, transporters belonging to the LeuT-fold class mediate the import
and exchange of hydrophilic and charged compounds such as amino acids, metals, and …

Intestinal amino acid transport and metabolic health

S Bröer - Annual review of nutrition, 2023 - annualreviews.org
Amino acids derived from protein digestion are important nutrients for the growth and
maintenance of organisms. Approximately half of the 20 proteinogenic amino acids can be …

[HTML][HTML] Amino acid homeostasis in mammalian cells with a focus on amino acid transport

S Bröer, G Gauthier-Coles - The Journal of nutrition, 2022 - Elsevier
Amino acid homeostasis is maintained by import, export, oxidation, and synthesis of
nonessential amino acids, and by the synthesis and breakdown of protein. These processes …

Mechanism of substrate transport and inhibition of the human LAT1-4F2hc amino acid transporter

R Yan, Y Li, J Müller, Y Zhang, S Singer, L Xia… - Cell discovery, 2021 - nature.com
Abstract LAT1 (SLC7A5) is one of the representative light chain proteins of heteromeric
amino acid transporters, forming a heterodimer with its heavy chain partner 4F2hc …

Integrated AlphaFold2 and DEER investigation of the conformational dynamics of a pH-dependent APC antiporter

D Del Alamo, L DeSousa, RM Nair… - Proceedings of the …, 2022 - National Acad Sciences
The Amino Acid–Polyamine-Organocation (APC) transporter GadC contributes to the
survival of pathogenic bacteria under extreme acid stress by exchanging extracellular …

Structural basis for substrate specificity of heteromeric transporters of neutral amino acids

CF Rodriguez, P Escudero-Bravo… - Proceedings of the …, 2021 - National Acad Sciences
Despite having similar structures, each member of the heteromeric amino acid transporter
(HAT) family shows exquisite preference for the exchange of certain amino acids. Substrate …

Heteromeric solute carriers: function, structure, pathology and pharmacology

SJ Fairweather, N Shah, S Brӧer - Protein Reviews: Volume 21, 2021 - Springer
Solute carriers form one of three major superfamilies of membrane transporters in humans,
and include uniporters, exchangers and symporters. Following several decades of …

Interpretation of SLC3A1 and SLC7A9 variants in cystinuria patients: The significance of the PM3 criterion and protein stability

B Lee, SY Lee, DH Han, HD Park - Urolithiasis, 2023 - Springer
Cystinuria is a genetic disorder caused by defects in the b0,+ transporter system, which is
composed of rBAT and b0,+ AT coded by SLC3A1 and SLC7A9, respectively. Variants in …

Cryo-EM structure of the human Asc-1 transporter complex

Y Li, Y Guo, A Bröer, L Dai, S Brӧer, R Yan - Nature Communications, 2024 - nature.com
Abstract The Alanine-Serine-Cysteine transporter 1 (Asc-1 or SLC7A10) forms a crucial
heterodimeric transporter complex with 4F2hc (SLC3A2) through a covalent disulfide bridge …