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- PDB-8cc6: Mouse serotonin 5-HT3A receptor in complex with PZ-1922 -

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Basic information

Entry
Database: PDB / ID: 8cc6
TitleMouse serotonin 5-HT3A receptor in complex with PZ-1922
Components5-hydroxytryptamine receptor 3A
KeywordsTRANSPORT PROTEIN / Ion channel / Receptor / pLGIC
Function / homology
Function and homology information


Neurotransmitter receptors and postsynaptic signal transmission / serotonin-gated monoatomic cation channel activity / serotonin-activated cation-selective channel complex / serotonin receptor signaling pathway / excitatory extracellular ligand-gated monoatomic ion channel activity / serotonin binding / inorganic cation transmembrane transport / acetylcholine-gated monoatomic cation-selective channel activity / cleavage furrow / transmembrane transporter complex ...Neurotransmitter receptors and postsynaptic signal transmission / serotonin-gated monoatomic cation channel activity / serotonin-activated cation-selective channel complex / serotonin receptor signaling pathway / excitatory extracellular ligand-gated monoatomic ion channel activity / serotonin binding / inorganic cation transmembrane transport / acetylcholine-gated monoatomic cation-selective channel activity / cleavage furrow / transmembrane transporter complex / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / presynaptic membrane / postsynaptic membrane / neuron projection / axon / neuronal cell body / glutamatergic synapse / synapse / identical protein binding / plasma membrane
Similarity search - Function
5-hydroxytryptamine 3 receptor / 5-hydroxytryptamine 3 receptor, A subunit / Neurotransmitter-gated ion-channel, conserved site / Neurotransmitter-gated ion-channels signature. / Neurotransmitter-gated ion-channel transmembrane domain / Neurotransmitter-gated ion-channel transmembrane region / Neurotransmitter-gated ion-channel transmembrane domain superfamily / Neuronal acetylcholine receptor / Neurotransmitter-gated ion-channel / Neurotransmitter-gated ion-channel ligand-binding domain ...5-hydroxytryptamine 3 receptor / 5-hydroxytryptamine 3 receptor, A subunit / Neurotransmitter-gated ion-channel, conserved site / Neurotransmitter-gated ion-channels signature. / Neurotransmitter-gated ion-channel transmembrane domain / Neurotransmitter-gated ion-channel transmembrane region / Neurotransmitter-gated ion-channel transmembrane domain superfamily / Neuronal acetylcholine receptor / Neurotransmitter-gated ion-channel / Neurotransmitter-gated ion-channel ligand-binding domain / Neurotransmitter-gated ion-channel ligand-binding domain superfamily / Neurotransmitter-gated ion-channel ligand binding domain
Similarity search - Domain/homology
Chem-U9L / 5-hydroxytryptamine receptor 3A
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsLopez-Sanchez, U. / Nury, H.
Funding supportEuropean Union, 1items
OrganizationGrant numberCountry
European Research Council (ERC)PentaBrainEuropean Union
CitationJournal: J Med Chem / Year: 2023
Title: Superiority of the Triple-Acting 5-HTR/5-HTR Antagonist and MAO-B Reversible Inhibitor over 5-HTR Antagonist Intepirdine in Alleviation of Cognitive Deficits in Rats.
Authors: Katarzyna Grychowska / Uriel López-Sánchez / Mathieu Vitalis / Geoffrey Canet / Grzegorz Satała / Agnieszka Olejarz-Maciej / Joanna Gołębiowska / Rafał Kurczab / Wojciech Pietruś / ...Authors: Katarzyna Grychowska / Uriel López-Sánchez / Mathieu Vitalis / Geoffrey Canet / Grzegorz Satała / Agnieszka Olejarz-Maciej / Joanna Gołębiowska / Rafał Kurczab / Wojciech Pietruś / Monika Kubacka / Christophe Moreau / Maria Walczak / Klaudia Blicharz-Futera / Ophélie Bento / Xavier Bantreil / Gilles Subra / Andrzej J Bojarski / Frédéric Lamaty / Carine Becamel / Charleine Zussy / Séverine Chaumont-Dubel / Piotr Popik / Hugues Nury / Philippe Marin / Laurent Givalois / Paweł Zajdel /
Abstract: The multifactorial origin and neurochemistry of Alzheimer's disease (AD) call for the development of multitarget treatment strategies. We report a first-in-class triple acting compound that targets ...The multifactorial origin and neurochemistry of Alzheimer's disease (AD) call for the development of multitarget treatment strategies. We report a first-in-class triple acting compound that targets serotonin type 6 and 3 receptors (5-HT-Rs) and monoamine oxidase type B (MAO-B) as an approach for treating AD. The key structural features required for MAO-B inhibition and 5-HTR antagonism and interaction with 5-HTR were determined using molecular dynamic simulations and cryo-electron microscopy, respectively. Bioavailable reversed scopolamine-induced cognitive deficits in the novel object recognition test. Furthermore, it displayed superior pro-cognitive properties compared to intepirdine (a 5-HTR antagonist) in the AD model, which involved intracerebroventricular injection of an oligomeric solution of amyloid-β peptide (oAβ) in the T-maze test in rats. , but not intepirdine, restored levels of biomarkers characteristic of the debilitating effects of oAβ. These data support the potential of a multitarget approach involving the joint modulation of 5-HTR/5-HTR/MAO-B in AD.
History
DepositionJan 26, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 11, 2023Provider: repository / Type: Initial release
Revision 1.1Oct 18, 2023Group: Database references / Category: citation / citation_author / Item: _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Nov 22, 2023Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first / _citation.page_last

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: 5-hydroxytryptamine receptor 3A
B: 5-hydroxytryptamine receptor 3A
C: 5-hydroxytryptamine receptor 3A
D: 5-hydroxytryptamine receptor 3A
E: 5-hydroxytryptamine receptor 3A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)325,64825
Polymers318,4145
Non-polymers7,23420
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area41090 Å2
ΔGint-201 kcal/mol
Surface area82770 Å2
MethodPISA

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Components

#1: Protein
5-hydroxytryptamine receptor 3A / 5-HT3-A / 5-HT3A / 5-hydroxytryptamine receptor 3 / 5-HT-3 / 5-HT3R / Serotonin receptor 3A / ...5-HT3-A / 5-HT3A / 5-hydroxytryptamine receptor 3 / 5-HT-3 / 5-HT3R / Serotonin receptor 3A / Serotonin-gated ion channel receptor


Mass: 63682.719 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Htr3a, 5ht3, Htr3 / Production host: Homo sapiens (human) / References: UniProt: P23979
#2: 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.: 10
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam 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
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#3: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
#4: Chemical
ChemComp-U9L / 1-[(3-chlorophenyl)methyl]-4-piperazin-1-yl-pyrrolo[3,2-c]quinoline


Mass: 376.882 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C22H21ClN4 / Feature type: SUBJECT OF INVESTIGATION
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: Mouse serotonin 5-HT3A receptor in complex with PZ-1922
Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Mus musculus (house mouse)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

MicroscopyModel: TFS GLACIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2300 nm / Nominal defocus min: 700 nm
Image recordingElectron dose: 40 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.20.1_4487: / Classification: refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 125060 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00217105
ELECTRON MICROSCOPYf_angle_d0.50123375
ELECTRON MICROSCOPYf_dihedral_angle_d6.6262340
ELECTRON MICROSCOPYf_chiral_restr0.0422760
ELECTRON MICROSCOPYf_plane_restr0.0042825

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