8XXI: Y+LAT1

Structure of y+LAT1 bound with Leu. Determined by electron microscopy at 3.04 Å resolution. Released 22 Jan 2025.

Method
Electron microscopy
Resolution
3.04 Å
Organism
Homo sapiens
Chains
1
Atoms
3,622
Mol. weight
58.12 kDa
Ligands
LEU
Released
22 Jan 2025

Explore 8XXI in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8XXI contains 24 α-helices and 4 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 24 helices, 4 β-strands

ElementResiduesLengthSheet
α-helix39-5113
α-helix61-655
α-helix69-9729
α-helix104-1107
α-helix117-1226
α-helix123-1275
α-helix128-14316
α-helix152-1543
α-helix155-17521
α-helix177-20832
α-helix225-23814
α-helix244-2463
α-helix255-28430
α-helix288-2914
α-helix296-3049
α-helix311-34030
β-strand35111
β-strand35212
β-strand35811
α-helix359-37113
α-helix372-3743
α-helix380-40526
α-helix419-43820
α-helix440-45314
α-helix454-4563
α-helix457-4615
α-helix470-48213
β-strand48912

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Y+L amino acid transporter 1Aprotein529Homo sapiensQ9UM01 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>8XXI_1 Y+L amino acid transporter 1 (chains A)
DYKDDDDKSGPDEVDASGRVDSTEYEVASQPEVETSPLGDGASPGPEQVKLKKEISLLNG
VCLIVGNMIGSGIFVSPKGVLIYSASFGLSLVIWAVGGLFSVFGALCYAELGTTIKKSGA
SYAYILEAFGGFLAFIRLWTSLLIIEPTSQAIIAITFANYMVQPLFPSCFAPYAASRLLA
AACICLLTFINCAYVKWGTLVQDIFTYAKVLALIAVIVAGIVRLGQGASTHFENSFEGSS
FAVGDIALALYSALFSYSGWDTLNYVTEEIKNPERNLPLSIGISMPIVTIIYILTNVAYY
TVLDMRDILASDAVAVTFADQIFGIFNWIIPLSVALSCFGGLNASIVAASRLFFVGSREG
HLPDAICMIHVERFTPVPSLLFNGIMALIYLCVEDIFQLINYYSFSYWFFVGLSIVGQLY
LRWKEPDRPRPLKLSVFFPIVFCLCTIFLVAVPLYSDTINSLIGIAIALSGLPFYFLIIR
VPEHKRPLYLRRIVGSATRYLQVLCMSVAAEMDLEDGGEMPKQRDPKSN

Ligands and cofactors

IDNameFormulaCopies
LEULeucineC6 H13 N O21

Water and common crystallization additives (NA) are not listed.

Primary citation

Structural basis for the substrate recognition and transport mechanism of the human y + LAT1-4F2hc transporter complex. Dai, L., Zeng, Q., Zhang, T. et al. Sci Adv (2025) 11:eadq0558-eadq0558. DOI 10.1126/sciadv.adq0558 · PubMed

Other PDB entries of the same protein (UniProt Q9UM01 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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