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- EMDB-39068: Structure of NET-Amitriptyline in outward-open state -

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Basic information

Entry
Database: EMDB / ID: EMD-39068
TitleStructure of NET-Amitriptyline in outward-open state
Map data
Sample
  • Complex: Sodium-dependent noradrenaline transporter
    • Protein or peptide: Sodium-dependent noradrenaline transporter
  • Ligand: Amitriptyline
  • Ligand: SODIUM ION
  • Ligand: CHLORIDE ION
Keywordstransporter / TRANSPORT PROTEIN-INHIBITOR COMPLEX
Function / homology
Function and homology information


neurotransmitter:sodium symporter activity / Defective SLC6A2 causes orthostatic intolerance (OI) / norepinephrine uptake / norepinephrine:sodium symporter activity / dopamine:sodium symporter activity / norepinephrine transport / neurotransmitter transmembrane transporter activity / monoamine transmembrane transporter activity / monoamine transport / Na+/Cl- dependent neurotransmitter transporters ...neurotransmitter:sodium symporter activity / Defective SLC6A2 causes orthostatic intolerance (OI) / norepinephrine uptake / norepinephrine:sodium symporter activity / dopamine:sodium symporter activity / norepinephrine transport / neurotransmitter transmembrane transporter activity / monoamine transmembrane transporter activity / monoamine transport / Na+/Cl- dependent neurotransmitter transporters / neurotransmitter transport / amino acid transport / response to pain / dopamine uptake involved in synaptic transmission / neuronal cell body membrane / beta-tubulin binding / alpha-tubulin binding / sodium ion transmembrane transport / neuron cellular homeostasis / presynaptic membrane / actin binding / chemical synaptic transmission / response to xenobiotic stimulus / axon / cell surface / membrane / metal ion binding / plasma membrane
Similarity search - Function
Sodium:neurotransmitter symporter, noradrenaline / 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-dependent noradrenaline transporter
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.0 Å
AuthorsZhang H / Xu EH / Jiang Y
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: Nature / Year: 2024
Title: Dimerization and antidepressant recognition at noradrenaline transporter.
Authors: Heng Zhang / Yu-Ling Yin / Antao Dai / Tianwei Zhang / Chao Zhang / Canrong Wu / Wen Hu / Xinheng He / Benxun Pan / Sanshan Jin / Qingning Yuan / Ming-Wei Wang / Dehua Yang / H Eric Xu / Yi Jiang /
Abstract: The noradrenaline transporter has a pivotal role in regulating neurotransmitter balance and is crucial for normal physiology and neurobiology. Dysfunction of noradrenaline transporter has been ...The noradrenaline transporter has a pivotal role in regulating neurotransmitter balance and is crucial for normal physiology and neurobiology. Dysfunction of noradrenaline transporter has been implicated in numerous neuropsychiatric diseases, including depression and attention deficit hyperactivity disorder. Here we report cryo-electron microscopy structures of noradrenaline transporter in apo and substrate-bound forms, and as complexes with six antidepressants. The structures reveal a noradrenaline transporter dimer interface that is mediated predominantly by cholesterol and lipid molecules. The substrate noradrenaline binds deep in the central binding pocket, and its amine group interacts with a conserved aspartate residue. Our structures also provide insight into antidepressant recognition and monoamine transporter selectivity. Together, these findings advance our understanding of noradrenaline transporter regulation and inhibition, and provide templates for designing improved antidepressants to treat neuropsychiatric disorders.
History
DepositionFeb 6, 2024-
Header (metadata) releaseMay 29, 2024-
Map releaseMay 29, 2024-
UpdateJul 3, 2024-
Current statusJul 3, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_39068.png

Downloads & links

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Map

FileDownload / File: emd_39068.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.73 Å/pix.
x 320 pix.
= 233.6 Å		0.73 Å/pix.
x 320 pix.
= 233.6 Å		0.73 Å/pix.
x 320 pix.
= 233.6 Å

Surface

Projections

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.73 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.16
Minimum - Maximum-1.4110749 - 1.9942831
Average (Standard dev.)0.0002950882 (±0.05463498)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 233.6 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_39068_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_39068_half_map_2.map
Projections & Slices
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Slices (1/2)
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Histogram

Histogram (log scale)

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Sample components

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Entire : Sodium-dependent noradrenaline transporter

EntireName: Sodium-dependent noradrenaline transporter
Components
  • Complex: Sodium-dependent noradrenaline transporter
    • Protein or peptide: Sodium-dependent noradrenaline transporter
  • Ligand: Amitriptyline
  • Ligand: SODIUM ION
  • Ligand: CHLORIDE ION

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Supramolecule #1: Sodium-dependent noradrenaline transporter

SupramoleculeName: Sodium-dependent noradrenaline transporter / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Sodium-dependent noradrenaline transporter

MacromoleculeName: Sodium-dependent noradrenaline transporter / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 69.386547 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MLLARMNPQV QPENNGADTG PEQPLRARKT AELLVVKERN GVQCLLAPRD GDAQPRETWG KKIDFLLSVV GFAVDLANVW RFPYLCYKN GGGAFLIPYT LFLIIAGMPL FYMELALGQY NREGAATVWK ICPFFKGVGY AVILIALYVG FYYNVIIAWS L YYLFSSFT ...String:
MLLARMNPQV QPENNGADTG PEQPLRARKT AELLVVKERN GVQCLLAPRD GDAQPRETWG KKIDFLLSVV GFAVDLANVW RFPYLCYKN GGGAFLIPYT LFLIIAGMPL FYMELALGQY NREGAATVWK ICPFFKGVGY AVILIALYVG FYYNVIIAWS L YYLFSSFT LNLPWTDCGH TWNSPNCTDP KLLNGSVLGN HTKYSKYKFT PAAEFYERGV LHLHESSGIH DIGLPQWQLL LC LMVVVIV LYFSLWKGVK TSGKVVWITA TLPYFVLFVL LVHGVTLPGA SNGINAYLHI DFYRLKEATV WIDAATQIFF SLG AGFGVL IAFASYNKFD NNCYRDALLT SSINCITSFV SGFAIFSILG YMAHEHKVNI EDVATEGAGL VFILYPEAIS TLSG STFWA VVFFVMLLAL GLDSSMGGME AVITGLADDF QVLKRHRKLF TFGVTFSTFL LALFCITKGG IYVLTLLDTF AAGTS ILFA VLMEAIGVSW FYGVDRFSND IQQMMGFRPG LYWRLCWKFV SPAFLLFVVV VSIINFKPLT YDDYIFPPWA NWVGWG IAL SSMVLVPIYV IYKFLSTQGS LWERLAYGIT PENEHHLVAQ RDIRQFQLQH WLAI

UniProtKB: Sodium-dependent noradrenaline transporter

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Macromolecule #2: Amitriptyline

MacromoleculeName: Amitriptyline / type: ligand / ID: 2 / Number of copies: 1 / Formula: TP0
Molecular weightTheoretical: 277.403 Da
Chemical component information

ChemComp-TP0:
Amitriptyline / antidepressant*YM

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Macromolecule #3: SODIUM ION

MacromoleculeName: SODIUM ION / type: ligand / ID: 3 / Number of copies: 1
Molecular weightTheoretical: 22.99 Da

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Macromolecule #4: CHLORIDE ION

MacromoleculeName: CHLORIDE ION / type: ligand / ID: 4 / Number of copies: 1 / Formula: CL
Molecular weightTheoretical: 35.453 Da

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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: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: SPOT SCAN / Imaging mode: DIFFRACTION / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm

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Image processing

Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.0 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 58375
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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