Science#01 in January 2026 EditionStructure and mechanism of human amino acid transporter LAT1 in complex with therapeutic inhibitor molecules
Yuki Tanaka, Eleanor White, Stefan Lindner et al.
OPENSTEM EDITORIAL SUMMARY
What the research examines
Cryo-EM structures of the human L-type amino acid transporter 1 (LAT1-4F2hc heterodimer) in outward- and inward-facing conformations reveal how targeted anti-cancer small molecules block essential amino acid transport across the blood-brain barrier.
Why it may matter
Guides the rational design of brain-penetrant oncology therapeutics and neurodegenerative drug delivery strategies.
What to examine carefully
Structures represent detergent-solubilized micelles and require validation in native asymmetric lipid bilayers.
Editorial scope: This is a concise, independently written introduction based on the publisher information, not a full systematic review or independent replication. It must not replace reading the original methods, limitations and conclusions.
STUDENT RESEARCH LENS · ORIGINAL OPENSTEM NOTES
Try a small, reproducible follow-up
Dock inhibitor ligands into the LAT1 substrate binding pocket using AutoDock Vina and calculate binding free energies.
Questions to investigate
- What specific electrostatic interactions lock the transporter in the outward-occluded conformation?
- How does the covalently linked 4F2hc chaperone subunit stabilize LAT1 membrane localization?
These are independently proposed educational investigations, not activities that the original research authors claim to have completed.
Publication & researcher information
JournalNature Structural & Molecular Biology
Published online2026-01-05
Authors (selected)Yuki Tanaka, Eleanor White, Stefan Lindner et al.
University / laboratoryKyoto University
CountryJapan
Multi-author research may involve universities in several countries. Unverified institutions and contact addresses are not inferred from authors' names.