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Open data
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Basic information
| Entry | Database: PDB / ID: 4fqk | |||||||||
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| Title | Influenza B/Brisbane/60/2008 hemagglutinin Fab CR8059 complex | |||||||||
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Keywords | VIRAL PROTEIN/IMMUNE SYSTEM / antibody / Fab fragment / monoclonal / immunoglobulin / VIRAL PROTEIN-IMMUNE SYSTEM complex | |||||||||
| Function / homology | Function and homology informationhost cell surface receptor binding / endocytosis involved in viral entry into host cell / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane / virion membrane / membrane Similarity search - Function | |||||||||
| Biological species | Influenza B virus Homo sapiens (human) | |||||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 5.65 Å | |||||||||
Authors | Dreyfus, C. / Laursen, N.S. / Wilson, I.A. | |||||||||
Citation | Journal: Science / Year: 2012Title: Highly conserved protective epitopes on influenza B viruses. Authors: Cyrille Dreyfus / Nick S Laursen / Ted Kwaks / David Zuijdgeest / Reza Khayat / Damian C Ekiert / Jeong Hyun Lee / Zoltan Metlagel / Miriam V Bujny / Mandy Jongeneelen / Remko van der Vlugt ...Authors: Cyrille Dreyfus / Nick S Laursen / Ted Kwaks / David Zuijdgeest / Reza Khayat / Damian C Ekiert / Jeong Hyun Lee / Zoltan Metlagel / Miriam V Bujny / Mandy Jongeneelen / Remko van der Vlugt / Mohammed Lamrani / Hans J W M Korse / Eric Geelen / Özcan Sahin / Martijn Sieuwerts / Just P J Brakenhoff / Ronald Vogels / Olive T W Li / Leo L M Poon / Malik Peiris / Wouter Koudstaal / Andrew B Ward / Ian A Wilson / Jaap Goudsmit / Robert H E Friesen / ![]() Abstract: Identification of broadly neutralizing antibodies against influenza A viruses has raised hopes for the development of monoclonal antibody-based immunotherapy and "universal" vaccines for influenza. ...Identification of broadly neutralizing antibodies against influenza A viruses has raised hopes for the development of monoclonal antibody-based immunotherapy and "universal" vaccines for influenza. However, a substantial part of the annual flu burden is caused by two cocirculating, antigenically distinct lineages of influenza B viruses. Here, we report human monoclonal antibodies, CR8033, CR8071, and CR9114, that protect mice against lethal challenge from both lineages. Antibodies CR8033 and CR8071 recognize distinct conserved epitopes in the head region of the influenza B hemagglutinin (HA), whereas CR9114 binds a conserved epitope in the HA stem and protects against lethal challenge with influenza A and B viruses. These antibodies may inform on development of monoclonal antibody-based treatments and a universal flu vaccine for all influenza A and B viruses. | |||||||||
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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 | 4fqk.cif.gz | 319.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb4fqk.ent.gz | 249.2 KB | Display | PDB format |
| PDBx/mmJSON format | 4fqk.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 4fqk_validation.pdf.gz | 2 MB | Display | wwPDB validaton report |
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| Full document | 4fqk_full_validation.pdf.gz | 2.1 MB | Display | |
| Data in XML | 4fqk_validation.xml.gz | 63.5 KB | Display | |
| Data in CIF | 4fqk_validation.cif.gz | 87.5 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/fq/4fqk ftp://data.pdbj.org/pub/pdb/validation_reports/fq/4fqk | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 2143C ![]() 2144C ![]() 2145C ![]() 2146C ![]() 2147C ![]() 2148C ![]() 2149C ![]() 2150C ![]() 4fqhC ![]() 4fqiC ![]() 4fqjSC ![]() 4fqlC ![]() 4fqmSC ![]() 4fqvC ![]() 4fqyC C: citing same article ( S: Starting model for refinement |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| 2 | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments:
NCS ensembles :
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Components
-Hemagglutinin ... , 2 types, 4 molecules ACBD
| #1: Protein | Mass: 37699.113 Da / Num. of mol.: 2 / Fragment: UNP residues 16-362 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Influenza B virus / Strain: B/Brisbane/60/2008 / Gene: HA / Production host: ![]() #2: Protein | Mass: 19264.588 Da / Num. of mol.: 2 / Fragment: UNP residues 363-538 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Influenza B virus / Strain: B/Brisbane/60/2008 / Gene: HA / Production host: ![]() |
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-Antibody , 2 types, 4 molecules EHFL
| #3: Antibody | Mass: 25345.338 Da / Num. of mol.: 2 / Fragment: Fab Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: ![]() #4: Antibody | Mass: 23106.467 Da / Num. of mol.: 2 / Fragment: Fab Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: ![]() |
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-Sugars , 3 types, 10 molecules 
| #5: 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 #6: Polysaccharide | Source method: isolated from a genetically manipulated source #7: Sugar | |
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-Details
| Has protein modification | Y |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 5.22 Å3/Da / Density % sol: 76.42 % |
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| Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 4.5 Details: 0.8 M sodium phosphate monobasic, 1.2 M potassium phosphate dibasic, 0.1 M sodium acetate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
-Data collection
| Diffraction source | Source: SYNCHROTRON / Site: SSRL / Beamline: BL11-1 |
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| Detector | Type: MARMOSAIC 325 mm CCD / Detector: CCD |
| Radiation | Monochromator: double crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Relative weight: 1 |
| Reflection | Resolution: 5.65→50 Å / Num. all: 12751 / Num. obs: 12751 / % possible obs: 99.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 6 % / Rsym value: 0.08 / Net I/σ(I): 16 |
| Reflection shell | Resolution: 5.65→5.8 Å / Redundancy: 6.7 % / Mean I/σ(I) obs: 2.1 / Rsym value: 0.86 / % possible all: 99.8 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB ENTRIES 4FQM AND 4FQJ Resolution: 5.65→48.932 Å / SU ML: 2.25 / σ(F): 2 / Phase error: 35.91 / Stereochemistry target values: ML
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| Solvent computation | Shrinkage radii: 0.86 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 49.621 Å2 / ksol: 0.325 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Refinement step | Cycle: LAST / Resolution: 5.65→48.932 Å
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| Refine LS restraints NCS |
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| LS refinement shell |
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About Yorodumi




Influenza B virus
Homo sapiens (human)
X-RAY DIFFRACTION
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