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- PDB-9jqq: Cryo-EM structure of the HMBPP-primed BTN3A1-BTN3A2-BTN2A1 complex -
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Open data
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Basic information
Entry | Database: PDB / ID: 9jqq | ||||||
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Title | Cryo-EM structure of the HMBPP-primed BTN3A1-BTN3A2-BTN2A1 complex | ||||||
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![]() | IMMUNE SYSTEM / phosphoantigen / butyrophilin / receptor | ||||||
Function / homology | ![]() Butyrophilin (BTN) family interactions / T cell mediated immunity / activated T cell proliferation / regulation of cytokine production / positive regulation of cytokine production / lipid metabolic process / positive regulation of type II interferon production / T cell receptor signaling pathway / adaptive immune response / external side of plasma membrane ...Butyrophilin (BTN) family interactions / T cell mediated immunity / activated T cell proliferation / regulation of cytokine production / positive regulation of cytokine production / lipid metabolic process / positive regulation of type II interferon production / T cell receptor signaling pathway / adaptive immune response / external side of plasma membrane / signaling receptor binding / membrane / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.26 Å | ||||||
![]() | Zhang, M. / Wang, Y.Q. / Xiao, J.Y. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Structures of butyrophilin multimers reveal a plier-like mechanism for V gamma 9V delta 2 T cell receptor activation Authors: Zhang, M. / Wang, Y. / Cai, N. / Qu, Y. / Ma, X. / Xue, J. / Chen, X. / Zhang, X. / Xiao, J. / Zhang, Y. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 311.6 KB | Display | ![]() |
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PDB format | ![]() | 251 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 61736MC ![]() 9jq6C ![]() 9jqpC ![]() 9jqrC C: citing same article ( M: map data used to model this data |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Components
-Butyrophilin subfamily 3 member ... , 2 types, 2 molecules AB
#1: Protein | Mass: 58247.715 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#2: Protein | Mass: 34629.918 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
-Protein / Non-polymers , 2 types, 3 molecules EF

#3: Protein | Mass: 60015.312 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #5: Chemical | ChemComp-H6P / ( | |
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-Sugars , 2 types, 7 molecules 
#4: Polysaccharide | Source method: isolated from a genetically manipulated source #6: Sugar | ChemComp-NAG / |
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-Details
Has ligand of interest | Y |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: HMBPP-primed BTN3A1-BTN3A2-BTN2A1 tetramer complex / Type: COMPLEX / Entity ID: #1-#3 / Source: RECOMBINANT |
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Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 7.4 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: TFS KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 1700 nm / Nominal defocus min: 1300 nm |
Image recording | Electron dose: 60 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k) |
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Processing
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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3D reconstruction | Resolution: 3.26 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 264215 / Symmetry type: POINT |