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Open data
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Basic information
| Entry | Database: PDB / ID: 9mer | ||||||
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| Title | Structure of H1H5:FluA20 Chimeric Influenza HA Complex | ||||||
Components |
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Keywords | VIRAL PROTEIN/IMMUNE SYSTEM / Influenza / Hemagglutinins / HA / Chimera H1 / H5 / VIRAL PROTEIN-IMMUNE SYSTEM complex | ||||||
| Function / homology | : / DI(HYDROXYETHYL)ETHER Function and homology information | ||||||
| Biological species | ![]() Influenza A virus Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å | ||||||
Authors | Seraj, N. | ||||||
| Funding support | United States, 1items
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Citation | Journal: Biorxiv / Year: 2025Title: Structure-based Design of Chimeric Influenza Hemagglutinins to Elicit Cross-group Immunity. Authors: Castro, K.M. / Ayardulabi, R. / Wehrle, S. / Cui, H. / Georgeon, S. / Schmidt, J. / Xiao, S. / Seraj, N. / Harshbarger, W. / Mallett, C.P. / Vassilev, V. / Saelens, X. / Correia, B.E. | ||||||
| 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 | 9mer.cif.gz | 172.7 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb9mer.ent.gz | 120.9 KB | Display | PDB format |
| PDBx/mmJSON format | 9mer.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 9mer_validation.pdf.gz | 7 MB | Display | wwPDB validaton report |
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| Full document | 9mer_full_validation.pdf.gz | 7 MB | Display | |
| Data in XML | 9mer_validation.xml.gz | 38.9 KB | Display | |
| Data in CIF | 9mer_validation.cif.gz | 52.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/me/9mer ftp://data.pdbj.org/pub/pdb/validation_reports/me/9mer | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9mevC 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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| 1 |
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| Unit cell |
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Components
-Antibody , 2 types, 2 molecules HL
| #2: Antibody | Mass: 25154.039 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) |
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| #3: Antibody | Mass: 23508.186 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) |
-Protein / Sugars , 2 types, 2 molecules B

| #1: Protein | Mass: 25574.566 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Influenza A virus / Production host: Homo sapiens (human) |
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| #4: Sugar | ChemComp-NAG / |
-Non-polymers , 4 types, 510 molecules 






| #5: Chemical | ChemComp-EDO / #6: Chemical | #7: Chemical | ChemComp-K / #8: Water | ChemComp-HOH / | |
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-Details
| Has ligand of interest | Y |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.73 Å3/Da / Density % sol: 54.97 % |
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6 / Details: 0.2 M ammonium nitrate, 20% w/v PEG3350 |
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1 Å |
| Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Feb 2, 2023 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
| Reflection | Resolution: 2→46.98 Å / Num. obs: 92614 / % possible obs: 97.16 % / Redundancy: 3 % / Biso Wilson estimate: 23.83 Å2 / CC1/2: 0.996 / Rmerge(I) obs: 0.091 / Rpim(I) all: 0.031 / Net I/σ(I): 21.6 |
| Reflection shell | Resolution: 2→2.072 Å / Num. unique obs: 4365 / CC1/2: 0.791 / % possible all: 78.83 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 2→46.98 Å / SU ML: 0.2179 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 21.6818 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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| Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 30.63 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2→46.98 Å
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| Refine LS restraints |
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| LS refinement shell |
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About Yorodumi





Influenza A virus
Homo sapiens (human)
X-RAY DIFFRACTION
United States, 1items
Citation
PDBj


