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- PDB-6y1z: Mouse serotonin 5HT3 receptor in complex with palonosetron -

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Entry
Database: PDB / ID: 6y1z
TitleMouse serotonin 5HT3 receptor in complex with palonosetron
Components5-hydroxytryptamine receptor 3A
KeywordsTRANSPORT PROTEIN / Receptor / Pentameric ligand-gated ion channel / antiemetic
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 / serotonin binding / acetylcholine-gated monoatomic cation-selective channel activity / inorganic cation transmembrane transport / cleavage furrow / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / presynaptic membrane ...Neurotransmitter receptors and postsynaptic signal transmission / serotonin-gated monoatomic cation channel activity / serotonin-activated cation-selective channel complex / serotonin receptor signaling pathway / serotonin binding / acetylcholine-gated monoatomic cation-selective channel activity / inorganic cation transmembrane transport / cleavage furrow / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / presynaptic membrane / postsynaptic membrane / neuron projection / axon / neuronal cell body / synapse / glutamatergic synapse / identical protein binding
Similarity search - Function
5-hydroxytryptamine 3 receptor / 5-hydroxytryptamine 3 receptor, A subunit / Acetylcholine Binding Protein; Chain: A, / Neurotransmitter-gated ion-channel ligand-binding domain / 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 ...5-hydroxytryptamine 3 receptor / 5-hydroxytryptamine 3 receptor, A subunit / Acetylcholine Binding Protein; Chain: A, / Neurotransmitter-gated ion-channel ligand-binding domain / 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 / Distorted Sandwich / Mainly Beta
Similarity search - Domain/homology
HISTIDINE / Chem-O7B / TRYPTOPHAN / 5-hydroxytryptamine receptor 3A
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.82 Å
AuthorsZarkadas, E. / Perot, J. / Nury, H.
Funding support France, 1items
OrganizationGrant numberCountry
European Research Council (ERC)637733 France
CitationJournal: Structure / Year: 2020
Title: The Binding of Palonosetron and Other Antiemetic Drugs to the Serotonin 5-HT3 Receptor.
Authors: Eleftherios Zarkadas / Hong Zhang / Wensheng Cai / Gregory Effantin / Jonathan Perot / Jacques Neyton / Christophe Chipot / Guy Schoehn / Francois Dehez / Hugues Nury /
Abstract: Inaccurately perceived as niche drugs, antiemetics are key elements of cancer treatment alleviating the most dreaded side effect of chemotherapy. Serotonin 5-HT3 receptor antagonists are the most ...Inaccurately perceived as niche drugs, antiemetics are key elements of cancer treatment alleviating the most dreaded side effect of chemotherapy. Serotonin 5-HT3 receptor antagonists are the most commonly prescribed class of drugs to control chemotherapy-induced nausea and vomiting. These antagonists have been clinically successful drugs since the 1980s, yet our understanding of how they operate at the molecular level has been hampered by the difficulty of obtaining structures of drug-receptor complexes. Here, we report the cryoelectron microscopy structure of the palonosetron-bound 5-HT3 receptor. We investigate the binding of palonosetron, granisetron, dolasetron, ondansetron, and cilansetron using molecular dynamics, covering the whole set of antagonists used in clinical practice. The structural and computational results yield detailed atomic insight into the binding modes of the drugs. In light of our data, we establish a comprehensive framework underlying the inhibition mechanism by the -setron drug family.
History
DepositionFeb 14, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 4, 2020Provider: repository / Type: Initial release
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_unobs_or_zero_occ_atoms / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.name / _chem_comp.pdbx_synonyms / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_unobs_or_zero_occ_atoms.label_asym_id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Aug 12, 2020Group: Database references / Structure summary / Category: chem_comp / citation / citation_author
Item: _chem_comp.pdbx_synonyms / _citation.country ..._chem_comp.pdbx_synonyms / _citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.name
Revision 2.2Oct 14, 2020Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 3.0Sep 14, 2022Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / Derived calculations / Polymer sequence / Source and taxonomy / Structure summary
Category: atom_site / database_2 ...atom_site / database_2 / entity / entity_name_com / entity_poly / entity_poly_seq / entity_src_gen / pdbx_nonpoly_scheme / pdbx_poly_seq_scheme / pdbx_unobs_or_zero_occ_residues / struct_conf / struct_ref / struct_ref_seq / struct_ref_seq_dif
Item: _atom_site.auth_seq_id / _atom_site.label_seq_id ..._atom_site.auth_seq_id / _atom_site.label_seq_id / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _entity.formula_weight / _entity_name_com.name / _entity_poly.pdbx_seq_one_letter_code / _entity_poly.pdbx_seq_one_letter_code_can / _entity_src_gen.gene_src_common_name / _entity_src_gen.pdbx_end_seq_num / _entity_src_gen.pdbx_gene_src_gene / _pdbx_nonpoly_scheme.pdb_seq_num / _struct_conf.beg_label_seq_id / _struct_conf.end_label_seq_id / _struct_ref.db_code / _struct_ref.pdbx_align_begin / _struct_ref.pdbx_db_accession / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_beg / _struct_ref_seq.db_align_end / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.pdbx_auth_seq_align_end / _struct_ref_seq.pdbx_db_accession / _struct_ref_seq.seq_align_beg / _struct_ref_seq.seq_align_end

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Structure visualization

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  • Deposited structure unit
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Assembly

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


Theoretical massNumber of molelcules
Total (without water)327,85835
Polymers318,4145
Non-polymers9,44530
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 1 types, 5 molecules ADBCE

#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

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Sugars , 3 types, 15 molecules

#2: Polysaccharide
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}}LINUCSPDB-CARE
#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.: 5
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
#6: 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 / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
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

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Non-polymers , 3 types, 15 molecules

#4: Chemical
ChemComp-TRP / TRYPTOPHAN / Tryptophan


Type: L-peptide linking / Mass: 204.225 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C11H12N2O2
#5: Chemical
ChemComp-HIS / HISTIDINE / Histidine


Type: L-peptide linking / Mass: 156.162 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C6H10N3O2
#7: Chemical
ChemComp-O7B / (3~{a}~{S})-2-[(3~{S})-1-azabicyclo[2.2.2]octan-3-yl]-3~{a},4,5,6-tetrahydro-3~{H}-benzo[de]isoquinolin-1-one / Palonosetron / Aloxi / Palonosetron


Mass: 296.407 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C19H24N2O / Feature type: SUBJECT OF INVESTIGATION / Comment: medication, chemotherapy, antagonist*YM

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Details

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-HT3 receptor in complex with palonosetron
Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
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
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 %

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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: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy
Image recordingElectron dose: 53 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.17.1_3660: / Classification: refinement
EM software
IDNameVersionCategory
7PHENIX1.17model fitting
12cryoSPARCv2.133D reconstruction
13PHENIX1.17model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C5 (5 fold cyclic)
3D reconstructionResolution: 2.82 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 127971 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00217085
ELECTRON MICROSCOPYf_angle_d0.46123365
ELECTRON MICROSCOPYf_dihedral_angle_d14.2886295
ELECTRON MICROSCOPYf_chiral_restr0.0442770
ELECTRON MICROSCOPYf_plane_restr0.0032870

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