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- PDB-8zt1: sStructure of calcium preference ATP-gated channel P2X1 in comple... -

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Basic information

Entry
Database: PDB / ID: 8zt1
TitlesStructure of calcium preference ATP-gated channel P2X1 in complex with BTFA
ComponentsP2X purinoceptor 1
KeywordsTRANSPORT PROTEIN / ion channel
Function / homology
Function and homology information


Platelet homeostasis / Elevation of cytosolic Ca2+ levels / regulation of vascular associated smooth muscle contraction / insemination / positive regulation of monoatomic ion transport / positive regulation of calcium ion import across plasma membrane / extracellularly ATP-gated monoatomic cation channel activity / purinergic nucleotide receptor activity / suramin binding / serotonin secretion by platelet ...Platelet homeostasis / Elevation of cytosolic Ca2+ levels / regulation of vascular associated smooth muscle contraction / insemination / positive regulation of monoatomic ion transport / positive regulation of calcium ion import across plasma membrane / extracellularly ATP-gated monoatomic cation channel activity / purinergic nucleotide receptor activity / suramin binding / serotonin secretion by platelet / ligand-gated calcium channel activity / regulation of presynaptic cytosolic calcium ion concentration / regulation of smooth muscle contraction / ceramide biosynthetic process / response to ATP / regulation of synaptic vesicle exocytosis / regulation of calcium ion transport / regulation of vasoconstriction / neuronal action potential / monoatomic cation channel activity / monoatomic ion transport / presynaptic active zone membrane / Neutrophil degranulation / synaptic transmission, glutamatergic / establishment of localization in cell / platelet activation / regulation of blood pressure / postsynaptic membrane / membrane raft / external side of plasma membrane / apoptotic process / protein-containing complex binding / glutamatergic synapse / protein-containing complex / ATP binding / identical protein binding
Similarity search - Function
P2X1 purinoceptor / : / ATP P2X receptors signature. / ATP P2X receptor / P2X purinoreceptor / P2X purinoreceptor extracellular domain superfamily
Similarity search - Domain/homology
: / ADENOSINE-5'-TRIPHOSPHATE / P2X purinoceptor 1
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.8 Å
AuthorsZhang, H. / Xu, H.E.
Funding support China, 2items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
Center for Advanced Interdisciplinary Science and Biomedicine of IHMQYPY20220009 China
CitationJournal: To Be Published
Title: structure of P2X1 and BTFA complex
Authors: Zhang, H. / Xu, H.E.
History
DepositionJun 6, 2024Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Jun 11, 2025Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: P2X purinoceptor 1
B: P2X purinoceptor 1
C: P2X purinoceptor 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)149,08619
Polymers145,6343
Non-polymers3,45216
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

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Protein / Sugars , 2 types, 10 molecules ABC

#1: Protein P2X purinoceptor 1 / P2X1 / ATP receptor / Purinergic receptor


Mass: 48544.660 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: P2rx1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P51576
#2: 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.: 7 / 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

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Non-polymers , 5 types, 13 molecules

#3: Chemical ChemComp-A1D8Z / 3,5-bis(trifluoromethyl)aniline / 3,5-Di(trifluoromethyl)aniline


Mass: 229.122 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H5F6N / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical ChemComp-ATP / ADENOSINE-5'-TRIPHOSPHATE


Mass: 507.181 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C10H16N5O13P3 / Comment: ATP, energy-carrying molecule*YM
#5: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#6: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Mg
#7: Water ChemComp-HOH / water


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

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Details

Has ligand of interestY
Has protein modificationY

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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: structure of P2X1 and BTFA complex / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Source (natural)Organism: Mus musculus (house mouse)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7
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: Talos Arctica / Image courtesy: FEI Company
MicroscopyModel: FEI TECNAI ARCTICA
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN
Electron lensMode: DIFFRACTION / Nominal defocus max: 3000 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: 2.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 97892 / Symmetry type: POINT

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