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- PDB-8j8l: Overall structure of the LAT1-4F2hc bound with L-dopa -

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Basic information

Entry
Database: PDB / ID: 8j8l
TitleOverall structure of the LAT1-4F2hc bound with L-dopa
Components
  • 4F2 cell-surface antigen heavy chain
  • Large neutral amino acids transporter small subunit 1
KeywordsMEMBRANE PROTEIN / complex / amino acid
Function / homology
Function and homology information


L-tryptophan transmembrane transport / L-tryptophan transmembrane transporter activity / positive regulation of L-leucine import across plasma membrane / cellular response to L-arginine / alanine transport / thyroid hormone transmembrane transporter activity / apical pole of neuron / tyrosine transport / L-histidine transport / amino acid transport complex ...L-tryptophan transmembrane transport / L-tryptophan transmembrane transporter activity / positive regulation of L-leucine import across plasma membrane / cellular response to L-arginine / alanine transport / thyroid hormone transmembrane transporter activity / apical pole of neuron / tyrosine transport / L-histidine transport / amino acid transport complex / aromatic amino acid transmembrane transporter activity / L-leucine import across plasma membrane / L-alanine transmembrane transporter activity / L-alanine import across plasma membrane / Defective SLC7A7 causes lysinuric protein intolerance (LPI) / phenylalanine transport / isoleucine transport / methionine transport / valine transport / L-leucine transmembrane transporter activity / L-amino acid transmembrane transporter activity / amino acid import across plasma membrane / proline transport / thyroid hormone transport / L-leucine transport / amino acid transmembrane transport / negative regulation of vascular associated smooth muscle cell apoptotic process / neutral amino acid transport / positive regulation of cytokine production involved in immune response / neutral L-amino acid transmembrane transporter activity / amino acid transmembrane transporter activity / external side of apical plasma membrane / Amino acid transport across the plasma membrane / Tryptophan catabolism / exogenous protein binding / anchoring junction / antiporter activity / xenobiotic transport / Basigin interactions / microvillus membrane / response to muscle activity / amino acid transport / positive regulation of interleukin-4 production / response to exogenous dsRNA / positive regulation of interleukin-17 production / tryptophan transport / response to hyperoxia / transport across blood-brain barrier / cellular response to glucose starvation / positive regulation of glial cell proliferation / negative regulation of autophagy / basal plasma membrane / liver regeneration / peptide antigen binding / positive regulation of type II interferon production / calcium ion transport / melanosome / double-stranded RNA binding / virus receptor activity / cellular response to lipopolysaccharide / basolateral plasma membrane / carbohydrate metabolic process / cadherin binding / apical plasma membrane / protein heterodimerization activity / symbiont entry into host cell / lysosomal membrane / negative regulation of gene expression / intracellular membrane-bounded organelle / synapse / cell surface / protein homodimerization activity / RNA binding / extracellular exosome / nucleoplasm / membrane / plasma membrane / cytosol
Similarity search - Function
L-type amino acid transporter / Solute carrier family 3 member 2, N-terminal domain / 4F2 cell-surface antigen heavy chain / Solute carrier family 3 member 2 N-terminus / : / Amino acid/polyamine transporter I / Amino acid permease / Alpha amylase, catalytic domain / Glycosyl hydrolase, family 13, catalytic domain / Alpha-amylase domain ...L-type amino acid transporter / Solute carrier family 3 member 2, N-terminal domain / 4F2 cell-surface antigen heavy chain / Solute carrier family 3 member 2 N-terminus / : / Amino acid/polyamine transporter I / Amino acid permease / Alpha amylase, catalytic domain / Glycosyl hydrolase, family 13, catalytic domain / Alpha-amylase domain / Glycosyl hydrolase, all-beta / Glycoside hydrolase superfamily
Similarity search - Domain/homology
3,4-DIHYDROXYPHENYLALANINE / Amino acid transporter heavy chain SLC3A2 / Large neutral amino acids transporter small subunit 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.56 Å
AuthorsYan, R.H. / Li, Y.N. / Shi, T.H.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: To Be Published
Title: Overall structure of the LAT1-4F2hc bound with L-dopa
Authors: Yan, R.H. / Li, Y.N. / Shi, T.H.
History
DepositionMay 2, 2023Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 17, 2024Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jul 17, 2024Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.1Nov 20, 2024Group: Data collection / Structure summary
Category: em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification
Revision 1.2Mar 12, 2025Group: Data collection / Database references / Category: em_admin / pdbx_database_related
Item: _em_admin.last_update / _pdbx_database_related.content_type
Revision 1.1Mar 12, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Database references / Experimental summary / Data content type: EM metadata / EM metadata / Category: em_admin / pdbx_database_related / Data content type: EM metadata / EM metadata
Item: _em_admin.last_update / _pdbx_database_related.content_type

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: 4F2 cell-surface antigen heavy chain
B: Large neutral amino acids transporter small subunit 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)129,2437
Polymers127,3482
Non-polymers1,8955
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein 4F2 cell-surface antigen heavy chain / 4F2hc / 4F2 heavy chain antigen / Lymphocyte activation antigen 4F2 large subunit / Solute carrier ...4F2hc / 4F2 heavy chain antigen / Lymphocyte activation antigen 4F2 large subunit / Solute carrier family 3 member 2


Mass: 70160.828 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SLC3A2, MDU1 / Production host: Homo sapiens (human) / References: UniProt: P08195
#2: Protein Large neutral amino acids transporter small subunit 1 / 4F2 light chain / 4F2LC / CD98 light chain / Integral membrane protein E16 / E16 / L-type amino ...4F2 light chain / 4F2LC / CD98 light chain / Integral membrane protein E16 / E16 / L-type amino acid transporter 1 / hLAT1 / Solute carrier family 7 member 5 / y+ system cationic amino acid transporter


Mass: 57186.895 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SLC7A5, CD98LC, LAT1, MPE16 / Production host: Homo sapiens (human) / References: UniProt: Q01650
#3: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#4: Chemical ChemComp-DAH / 3,4-DIHYDROXYPHENYLALANINE / L-DOPA


Type: L-peptide linking / Mass: 197.188 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C9H11NO4 / Feature type: SUBJECT OF INVESTIGATION / Comment: neurotransmitter*YM
Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Overall structure of the LAT1-4F2hc bound with L-dopa / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 5000 nm / Nominal defocus min: 1200 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.56 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 263809 / Symmetry type: POINT

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