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Yorodumi- PDB-1w21: Structure of Neuraminidase from English duck subtype N6 complexed... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1w21 | |||||||||
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Title | Structure of Neuraminidase from English duck subtype N6 complexed with 30 mM sialic acid (NANA, Neu5Ac), crystal soaked for 43 hours at 291 K. | |||||||||
Components | NEURAMINIDASE | |||||||||
Keywords | HYDROLASE / INFLUENZA TYPE A / NEURAMINIDASE / HB SITE / SIALIC ACID / SUBTYPE N6 | |||||||||
Function / homology | Function and homology information : / : / : / exo-alpha-sialidase / viral budding from plasma membrane / carbohydrate metabolic process / host cell plasma membrane / virion membrane / membrane / metal ion binding Similarity search - Function | |||||||||
Biological species | INFLUENZA A VIRUS | |||||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.08 Å | |||||||||
Authors | Rudino-Pinera, E. / Tunnah, P. / Crennell, S.J. / Webster, R.G. / Laver, W.G. / Garman, E.F. | |||||||||
Citation | Journal: To be Published Title: The Crystal Structure of Type a Influenza Virus Neuraminidase of the N6 Subtype Reveals the Existence of Two Separate Neu5Ac Binding Sites Authors: Rudino-Pinera, E. / Tunnah, P. / Crennell, S.J. / Webster, R.G. / Laver, W.G. / Garman, E.F. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1w21.cif.gz | 365.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1w21.ent.gz | 291.3 KB | Display | PDB format |
PDBx/mmJSON format | 1w21.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1w21_validation.pdf.gz | 4.5 MB | Display | wwPDB validaton report |
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Full document | 1w21_full_validation.pdf.gz | 4.5 MB | Display | |
Data in XML | 1w21_validation.xml.gz | 80.8 KB | Display | |
Data in CIF | 1w21_validation.cif.gz | 117.1 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/w2/1w21 ftp://data.pdbj.org/pub/pdb/validation_reports/w2/1w21 | HTTPS FTP |
-Related structure data
Related structure data | 1w1xC 1w20C 2cmlC 1v0zS C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-Protein , 1 types, 4 molecules ABCD
#1: Protein | Mass: 43011.531 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) INFLUENZA A VIRUS Description: INFLUENZA VIRUS GROWN IN EMBRIONATED CHICKEN EGG Production host: GALLUS GALLUS (chicken) / References: UniProt: Q6XV27, exo-alpha-sialidase |
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-Sugars , 6 types, 30 molecules
#2: Polysaccharide | Source method: isolated from a genetically manipulated source #3: Polysaccharide | alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #4: Sugar | ChemComp-SIA / #6: Sugar | ChemComp-NAG / #7: Sugar | #8: Sugar | ChemComp-MAN / |
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-Non-polymers , 3 types, 1731 molecules
#5: Chemical | ChemComp-GOL / #9: Chemical | ChemComp-CA / #10: Water | ChemComp-HOH / | |
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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: 2.49 Å3/Da / Density % sol: 50.55 % |
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Crystal grow | Temperature: 293 K / pH: 7 / Details: 0.15 M NACL, 20% PEG 3350 AT 293 K, pH 7.00 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200H / Wavelength: 1.5418 |
Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: May 8, 2004 / Details: CONFOCAL OSMIC BLUE |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.08→30.43 Å / Num. obs: 98861 / % possible obs: 98.2 % / Observed criterion σ(I): 0 / Redundancy: 2.2 % / Biso Wilson estimate: 18.85 Å2 / Rmerge(I) obs: 0.09 / Net I/σ(I): 7.9 |
Reflection shell | Resolution: 2.08→2.19 Å / Redundancy: 2.1 % / Rmerge(I) obs: 0.27 / Mean I/σ(I) obs: 2.7 / % possible all: 92.3 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1V0Z Resolution: 2.08→30.43 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.927 / SU B: 4.456 / SU ML: 0.116 / Cross valid method: THROUGHOUT / ESU R: 0.201 / ESU R Free: 0.17 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: UNLIKE OTHER VIRAL NEURAMINIDASES SOLVED TO DATE, N6 HAS A FULL TETRAMER IN THE ASYMMETRIC UNIT.
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 19.39 Å2
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Refinement step | Cycle: LAST / Resolution: 2.08→30.43 Å
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Refine LS restraints |
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