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- PDB-8y8z: Structure of NET-Maprotiline in outward-open state -

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Basic information

Entry
Database: PDB / ID: 8y8z
TitleStructure of NET-Maprotiline in outward-open state
ComponentsSodium-dependent noradrenaline transporter
KeywordsTRANSPORT PROTEIN/INHIBITOR / transporter / 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 / neuronal cell body membrane / response to pain / dopamine uptake involved in synaptic transmission / amino acid transport / beta-tubulin binding / alpha-tubulin binding / sodium ion transmembrane transport / neuron cellular homeostasis / synaptic vesicle membrane / actin binding / presynaptic membrane / 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)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.29 Å
AuthorsZhang, H. / Xu, E.H. / Jiang, Y.
Funding support China, 1items
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, 2024Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 29, 2024Provider: repository / Type: Initial release
Revision 1.1Jun 5, 2024Group: Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Jun 19, 2024Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Jun 26, 2024Group: Data collection / Database references / Category: citation / em_admin
Item: _citation.pdbx_database_id_PubMed / _citation.title / _em_admin.last_update
Revision 1.4Jul 3, 2024Group: Data collection / Database references / Category: citation / em_admin
Item: _citation.pdbx_database_id_PubMed / _citation.title / _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Sodium-dependent noradrenaline transporter
E: Sodium-dependent noradrenaline transporter
hetero molecules


Theoretical massNumber of molelcules
Total (without water)139,4458
Polymers138,7732
Non-polymers6726
Water724
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein Sodium-dependent noradrenaline transporter / Norepinephrine transporter / NET


Mass: 69386.547 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: NET1 / Cell line (production host): HEK293 / Production host: Homo sapiens (human) / References: UniProt: P23975
#2: Chemical ChemComp-A1LX3 / ~{N}-methyl-3-(1-tetracyclo[6.6.2.0^{2,7}.0^{9,14}]hexadeca-2(7),3,5,9,11,13-hexaenyl)propan-1-amine / Maprotiline


Mass: 277.403 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C20H23N / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Na
#4: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: Sodium-dependent noradrenaline transporter / Type: COMPLEX / Entity ID: #1 / 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: SPOT SCAN
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.29 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 84954 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0019374
ELECTRON MICROSCOPYf_angle_d0.41512796
ELECTRON MICROSCOPYf_dihedral_angle_d12.2013152
ELECTRON MICROSCOPYf_chiral_restr0.0341422
ELECTRON MICROSCOPYf_plane_restr0.0031556

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