7DSN: Overall structure of the LAT1-4F2hc

Overall structure of the LAT1-4F2hc bound with JX-119. Determined by electron microscopy at 3.1 Å resolution. Released 10 Mar 2021.

Method
Electron microscopy
Resolution
3.1 Å
Organism
Homo sapiens
Chains
2
Atoms
7,534
Mol. weight
131.14 kDa
Ligands
Y01, HO9, 3PH
Released
10 Mar 2021

Explore 7DSN in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7DSN contains 47 α-helices and 26 β-strands across 2 chains. 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: 19 helices, 20 β-strands

ElementResiduesLengthSheet
α-helix167-1737
α-helix179-20628
α-helix212-2143
β-strand225-22841
α-helix232-2354
α-helix242-2454
α-helix246-2483
α-helix251-2544
β-strand259-26241
β-strand266-26832
β-strand276-28162
α-helix288-29912
β-strand304-30851
α-helix326-34116
β-strand345-34841
α-helix357-36913
β-strand376-38051
α-helix386-3927
β-strand400-40231
α-helix413-42614
β-strand432-43433
α-helix442-4443
α-helix451-4588
β-strand463-46533
β-strand466-46831
α-helix488-4903
α-helix510-5134
α-helix521-53111
α-helix535-5384
β-strand541-54554
β-strand551-55774
β-strand563-56974
β-strand575-57625
β-strand593-59426
β-strand59914
α-helix6091
β-strand610-61126
β-strand616-61725
β-strand622-62764
Chain B: 28 helices, 6 β-strands
ElementResiduesLengthSheet
β-strand5017
α-helix52-6312
α-helix74-774
α-helix82-10928
α-helix118-1247
α-helix127-1359
α-helix136-1405
α-helix141-15717
α-helix158-1603
α-helix168-18821
α-helix190-21930
α-helix243-2475
α-helix260-2623
β-strand26717
α-helix270-2734
α-helix275-29925
α-helix302-3054
α-helix311-3199
α-helix326-3327
α-helix337-35519
β-strand365-36628
β-strand36719
β-strand37219
α-helix374-38512
α-helix386-3894
α-helix394-3963
α-helix401-41919
α-helix430-4323
α-helix435-44713
α-helix449-4524
α-helix458-47215
α-helix473-4775
α-helix483-50018
β-strand503-50428

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
4F2 cell-surface antigen heavy chainAprotein647Homo sapiensP08195 (AlphaFold model)
Large neutral amino acids transporter small subunit 1Bprotein527Homo sapiensQ01650 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>7DSN_1 4F2 cell-surface antigen heavy chain (chains A)
MAHHHHHHHHHHSGRELQPPEASIAVVSIPRQLPGSHSEAGVQGLSAGDDSETGSDCVTQ
AGLQLLASSDPPALASKNAEVTVETGFHHVSQADIEFLTSIDPTASASGSAGITGTMSQD
TEVDMKEVELNELEPEKQPMNAASGAAMSLAGAEKNGLVKIKVAEDEAEAAAAAKFTGLS
KEELLKVAGSPGWVRTRWALLLLFWLGWLGMLAGAVVIIVRAPRCRELPAQKWWHTGALY
RIGDLQAFQGHGAGNLAGLKGRLDYLSSLKVKGLVLGPIHKNQKDDVAQTDLLQIDPNFG
SKEDFDSLLQSAKKKSIRVILDLTPNYRGENSWFSTQVDTVATKVKDALEFWLQAGVDGF
QVRDIENLKDASSFLAEWQNITKGFSEDRLLIAGTNSSDLQQILSLLESNKDLLLTSSYL
SDSGSTGEHTKSLVTQYLNATGNRWCSWSLSQARLLTSFLPAQLLRLYQLMLFTLPGTPV
FSYGDEIGLDAAALPGQPMEAPVMLWDESSFPDIPGAVSANMTVKGQSEDPGSLLSLFRR
LSDQRSKERSLLHGDFHAFSAGPGLFSYIRHWDQNERFLVVLNFGDVGLSAGLQASDLPA
SASLPAKADLLLSTQPGREEGSPLELERLKLEPHEGLLLRFPYAALE
Sequence of entity 2 (B), FASTA
>7DSN_2 Large neutral amino acids transporter small subunit 1 (chains B)
MADYKDDDDKSGPDEVDASGRAGAGPKRRALAAPAAEEKEEAREKMLAAKSADGSAPAGE
GEGVTLQRNITLLNGVAIIVGTIIGSGIFVTPTGVLKEAGSPGLALVVWAACGVFSIVGA
LCYAELGTTISKSGGDYAYMLEVYGSLPAFLKLWIELLIIRPSSQYIVALVFATYLLKPL
FPTCPVPEEAAKLVACLCVLLLTAVNCYSVKAATRVQDAFAAAKLLALALIILLGFVQIG
KGDVSNLDPNFSFEGTKLDVGNIVLALYSGLFAYGGWNYLNFVTEEMINPYRNLPLAIII
SLPIVTLVYVLTNLAYFTTLSTEQMLSSEAVAVDFGNYHLGVMSWIIPVFVGLSCFGSVN
GSLFTSSRLFFVGSREGHLPSILSMIHPQLLTPVPSLVFTCVMTLLYAFSKDIFSVINFF
SFFNWLCVALAIIGMIWLRHRKPELERPIKVNLALPVFFILACLFLIAVSFWKTPVECGI
GFTIILSGLPVYFFGVWWKNKPKWLLQGIFSTTVLCQKLMQVVPQET

Ligands and cofactors

IDNameFormulaCopies
Y01Cholesterol hemisuccinateC31 H50 O42
HO9(2~{S})-2-azanyl-7-[[2-(1,3-benzoxazol-2-yl)phenyl]methoxy]-3,4-dihydro-1~{H}-n…C25 H22 N2 O41
3PH1,2-diacyl-glycerol-3-sn-phosphateC39 H77 O8 P1

Primary citation

Mechanism of substrate transport and inhibition of the human LAT1-4F2hc amino acid transporter. Yan, R., Li, Y., Muller, J. et al. Cell Discov (2021) 7:16-16. DOI 10.1038/s41421-021-00247-4 · PubMed

Other PDB entries of the same protein (UniProt P08195 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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