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- EMDB-61209: Cryo-EM structure of TauT -

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Basic information

Entry
Database: EMDB / ID: EMD-61209
TitleCryo-EM structure of TauT
Map data
Sample
  • Complex: structure of TauT
    • Protein or peptide: Sodium- and chloride-dependent taurine transporter
  • Ligand: HEXADECANE
  • Ligand: CHLORIDE ION
  • Ligand: CHOLESTEROL
  • Ligand: water
Keywordsprotein structure / STRUCTUAL PROTEIN / STRUCTURAL PROTEIN
Function / homology
Function and homology information


taurine transmembrane transporter activity / alanine transmembrane transporter activity / gamma-aminobutyric acid transmembrane transporter activity / taurine:sodium symporter activity / import across plasma membrane / gamma-aminobutyric acid import / gamma-aminobutyric acid:sodium:chloride symporter activity / alanine transport / amino acid:sodium symporter activity / amino acid import across plasma membrane ...taurine transmembrane transporter activity / alanine transmembrane transporter activity / gamma-aminobutyric acid transmembrane transporter activity / taurine:sodium symporter activity / import across plasma membrane / gamma-aminobutyric acid import / gamma-aminobutyric acid:sodium:chloride symporter activity / alanine transport / amino acid:sodium symporter activity / amino acid import across plasma membrane / taurine transmembrane transport / Amino acid transport across the plasma membrane / amino acid transmembrane transporter activity / SLC-mediated transport of neurotransmitters / neurotransmitter transport / microvillus membrane / amino acid transport / transport across blood-brain barrier / sodium ion transmembrane transport / cell projection / positive regulation of cell differentiation / modulation of chemical synaptic transmission / GABA-ergic synapse / basolateral plasma membrane / postsynaptic membrane / apical plasma membrane / neuronal cell body / dendrite / membrane / plasma membrane
Similarity search - Function
Sodium:neurotransmitter symporter, taurine / Sodium:neurotransmitter symporter family signature 2. / Sodium:neurotransmitter symporter family signature 1. / Sodium:neurotransmitter symporter / Sodium:neurotransmitter symporter superfamily / Sodium:neurotransmitter symporter family / Sodium:neurotransmitter symporter family profile.
Similarity search - Domain/homology
Sodium- and chloride-dependent taurine transporter
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.77 Å
AuthorsZhao Y / Xu H
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: Cell Discov / Year: 2025
Title: Structural characterization reveals substrate recognition by the taurine transporter TauT.
Authors: Hao Xu / Qinru Bai / Han Wang / Jun Zhao / Aiping Guo / Renjie Li / Qihao Chen / Yiqing Wei / Na Li / Zhuo Huang / Yan Zhao /
History
DepositionAug 19, 2024-
Header (metadata) releaseApr 2, 2025-
Map releaseApr 2, 2025-
UpdateJul 23, 2025-
Current statusJul 23, 2025Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_61209.png

Downloads & links

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Map

FileDownload / File: emd_61209.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.85 Å/pix.
x 300 pix.
= 255. Å		0.85 Å/pix.
x 300 pix.
= 255. Å		0.85 Å/pix.
x 300 pix.
= 255. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.85 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.202
Minimum - Maximum-1.6078584 - 2.3888495
Average (Standard dev.)-0.00067192566 (±0.052748214)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions300300300
Spacing300300300
CellA=B=C: 255.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_61209_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_61209_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : structure of TauT

EntireName: structure of TauT
Components
  • Complex: structure of TauT
    • Protein or peptide: Sodium- and chloride-dependent taurine transporter
  • Ligand: HEXADECANE
  • Ligand: CHLORIDE ION
  • Ligand: CHOLESTEROL
  • Ligand: water

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Supramolecule #1: structure of TauT

SupramoleculeName: structure of TauT / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Sodium- and chloride-dependent taurine transporter

MacromoleculeName: Sodium- and chloride-dependent taurine transporter / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 69.881633 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MATKEKLQCL KDFHKDILKP SPGKSPGTRP EDEAEGKPPQ REKWSSKIDF VLSVAGGFVG LGNVWRFPYL CYKNGGGAFL IPYFIFLFG SGLPVFFLEI IIGQYTSEGG ITCWEKICPL FSGIGYASVV IVSLLNVYYI VILAWATYYL FQSFQKELPW A HCNHSWNT ...String:
MATKEKLQCL KDFHKDILKP SPGKSPGTRP EDEAEGKPPQ REKWSSKIDF VLSVAGGFVG LGNVWRFPYL CYKNGGGAFL IPYFIFLFG SGLPVFFLEI IIGQYTSEGG ITCWEKICPL FSGIGYASVV IVSLLNVYYI VILAWATYYL FQSFQKELPW A HCNHSWNT PHCMEDTMRK NKSVWITISS TNFTSPVIEF WERNVLSLSP GIDHPGSLKW DLALCLLLVW LVCFFCIWKG VR STGKVVY FTATFPFAML LVLLVRGLTL PGAGAGIKFY LYPDITRLED PQVWIDAGTQ IFFSYAICLG AMTSLGSYNK YKY NSYRDC MLLGCLNSGT SFVSGFAIFS ILGFMAQEQG VDIADVAESG PGLAFIAYPK AVTMMPLPTF WSILFFIMLL LLGL DSQFV EVEGQITSLV DLYPSFLRKG YRREIFIAFV CSISYLLGLT MVTEGGMYVF QLFDYYAASG VCLLWVAFFE CFVIA WIYG GDNLYDGIED MIGYRPGPWM KYSWAVITPV LCVGCFIFSL VKYVPLTYNK TYVYPNWAIG LGWSLALSSM LCVPLV IVI RLCQTEGPFL VRVKYLLTPR EPNRWAVERE GATPYNSRTV MNGALVKPTH IIVETMM

UniProtKB: Sodium- and chloride-dependent taurine transporter

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Macromolecule #2: HEXADECANE

MacromoleculeName: HEXADECANE / type: ligand / ID: 2 / Number of copies: 4 / Formula: R16
Molecular weightTheoretical: 226.441 Da
Chemical component information

ChemComp-R16:
HEXADECANE

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Macromolecule #3: CHLORIDE ION

MacromoleculeName: CHLORIDE ION / type: ligand / ID: 3 / Number of copies: 1 / Formula: CL
Molecular weightTheoretical: 35.453 Da

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Macromolecule #4: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 4 / Number of copies: 1 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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Macromolecule #5: water

MacromoleculeName: water / type: ligand / ID: 5 / Number of copies: 10 / Formula: HOH
Molecular weightTheoretical: 18.015 Da
Chemical component information

ChemComp-HOH:
WATER

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING ONLY
Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.77 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 271080
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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