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Open data
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Basic information
| Entry | Database: PDB / ID: 9ubw | |||||||||||||||||||||
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| Title | The atomic coordinates of the mouse CatSper dimer | |||||||||||||||||||||
Components |
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Keywords | PROTEIN TRANSPORT / sperm / hyperactivation / calcium channel | |||||||||||||||||||||
| Function / homology | Function and homology informationSperm Motility And Taxes / CatSper complex / fusion of sperm to egg plasma membrane involved in single fertilization / sperm principal piece / regulation of cilium beat frequency involved in ciliary motility / calcium ion sensor activity / male meiotic nuclear division / organic anion transport / flagellated sperm motility / : ...Sperm Motility And Taxes / CatSper complex / fusion of sperm to egg plasma membrane involved in single fertilization / sperm principal piece / regulation of cilium beat frequency involved in ciliary motility / calcium ion sensor activity / male meiotic nuclear division / organic anion transport / flagellated sperm motility / : / calcium-activated cation channel activity / fertilization / motile cilium / sodium ion transport / sperm capacitation / regulation of calcium ion transport / monoatomic ion channel complex / sperm flagellum / voltage-gated calcium channel activity / acrosomal vesicle / establishment of localization in cell / calcium ion transport / spermatogenesis / cell differentiation / calmodulin binding / cilium / calcium ion binding / endoplasmic reticulum / plasma membrane / cytoplasm Similarity search - Function | |||||||||||||||||||||
| Biological species | ![]() | |||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.9 Å | |||||||||||||||||||||
Authors | Xu, Q. / Lin, S. / Zhao, Q. / Yan, Z. / Wu, J. | |||||||||||||||||||||
| Funding support | China, 1items
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Citation | Journal: To Be PublishedTitle: Cryo-EM structure of the mouse CatSper dimer Authors: Xu, Q. / Lin, S. / Zhao, Q. / Yan, Z. / Wu, J. | |||||||||||||||||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 9ubw.cif.gz | 2.3 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb9ubw.ent.gz | 1.9 MB | Display | PDB format |
| PDBx/mmJSON format | 9ubw.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 9ubw_validation.pdf.gz | 3.4 MB | Display | wwPDB validaton report |
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| Full document | 9ubw_full_validation.pdf.gz | 3.5 MB | Display | |
| Data in XML | 9ubw_validation.xml.gz | 294.2 KB | Display | |
| Data in CIF | 9ubw_validation.cif.gz | 466.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ub/9ubw ftp://data.pdbj.org/pub/pdb/validation_reports/ub/9ubw | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 64017MC M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-Cation channel sperm-associated protein ... , 4 types, 8 molecules AaBbCcDd
| #1: Protein | Mass: 29080.652 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Protein | Mass: 33115.477 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Protein | Mass: 32308.949 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #4: Protein | Mass: 28880.430 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Cation channel sperm-associated auxiliary subunit ... , 7 types, 14 molecules EeFfGgHhJjKkMm
| #5: Protein | Mass: 121580.594 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #6: Protein | Mass: 119864.367 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #7: Protein | Mass: 82834.281 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #8: Protein | Mass: 107004.016 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #10: Protein | Mass: 19898.578 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #11: Protein | Mass: 17504.592 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #13: Protein | Mass: 13350.882 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Protein , 2 types, 4 molecules IiLl
| #9: Protein | Mass: 20942.268 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #12: Protein | Mass: 68349.680 Da / Num. of mol.: 2 / Mutation: A224G Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Protein/peptide / Non-polymers , 2 types, 4 molecules Nn

| #14: Protein/peptide | Mass: 2400.951 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() #21: Chemical | |
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-Sugars , 6 types, 38 molecules 
| #15: Polysaccharide | Source method: isolated from a genetically manipulated source #16: 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 Source method: isolated from a genetically manipulated source #17: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source #18: Polysaccharide | Source method: isolated from a genetically manipulated source #19: Polysaccharide | Source method: isolated from a genetically manipulated source #20: 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: Mouse CatSper dimer / Type: COMPLEX / Entity ID: #1-#14 / Source: MULTIPLE SOURCES |
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| Source (natural) | 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: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 1500 nm |
| Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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| 3D reconstruction | Resolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 459159 / Symmetry type: POINT |
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FIELD EMISSION GUN