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- PDB-2c4a: Structure of Neuraminidase Subtype N9 Complexed with 30 MM Sialic... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2c4a | |||||||||
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Title | Structure of Neuraminidase Subtype N9 Complexed with 30 MM Sialic Acid (NANA, NEU5AC), Crystal Soaked for 3 Hours at 291 K. | |||||||||
![]() | NEURAMINIDASE SUBTYPE N9 | |||||||||
![]() | HYDROLASE / INFLUENZA TYPE A / NEURAMINIDASE / SIALIC ACID / SUBTYPE N9 / GLYCOPROTEIN / GLYCOSIDASE / TRANSMEMBRANE | |||||||||
Function / homology | ![]() exo-alpha-(2->3)-sialidase activity / exo-alpha-(2->6)-sialidase activity / exo-alpha-(2->8)-sialidase activity / 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 | ![]() ![]() | |||||||||
Method | ![]() ![]() | |||||||||
![]() | Rudino-Pinera, E. / Tunnah, P. / Crennell, S.J. / Webster, R.G. / Laver, W.G. / Garman, E.F. | |||||||||
![]() | ![]() Title: The Crystal Structure of Influenza Type a Virus Neuraminidase of the N6 Subtype at 1.85 A Resolution Authors: Rudino-Pinera, E. / Crennell, S.J. / Webster, R.G. / Laver, W.G. / Garman, E.F. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 104.8 KB | Display | ![]() |
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PDB format | ![]() | 78.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.7 MB | Display | ![]() |
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Full document | ![]() | 1.7 MB | Display | |
Data in XML | ![]() | 20.7 KB | Display | |
Data in CIF | ![]() | 29.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1v0zC ![]() 2c4lC ![]() 7nn9S S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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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 on special symmetry positions |
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Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 43723.770 Da / Num. of mol.: 1 / Fragment: RESIDUES 83-470 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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-Sugars , 4 types, 5 molecules ![](data/chem/img/SIA.gif)
![](data/chem/img/NAG.gif)
![](data/chem/img/NAG.gif)
#2: Polysaccharide | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]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 | ||
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#3: 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 | ||
#4: Sugar | #5: Sugar | ChemComp-NAG / | |
-Non-polymers , 2 types, 260 molecules ![](data/chem/img/CA.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/HOH.gif)
#6: Chemical | ChemComp-CA / |
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#7: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.94 Å3/Da / Density % sol: 58.22 % |
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Crystal grow | pH: 6.8 Details: PROTEIN WAS CRYSTALLISED FROM 1.9M POTASSIUM PHOSPHATE PH 6.8, THEN SOAKED FOR 3 HOURS IN 30 MM NEU5AC |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Jun 10, 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: 2.15→38.66 Å / Num. obs: 27874 / % possible obs: 100 % / Observed criterion σ(I): 0 / Redundancy: 9.9 % / Biso Wilson estimate: 16.57 Å2 / Rmerge(I) obs: 0.12 / Net I/σ(I): 5.5 |
Reflection shell | Resolution: 2.15→2.21 Å / Redundancy: 9.4 % / Rmerge(I) obs: 0.27 / Mean I/σ(I) obs: 2.8 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 7NN9 Resolution: 2.15→30.1 Å / Cor.coef. Fo:Fc: 0.95 / Cor.coef. Fo:Fc free: 0.924 / SU B: 3.66 / SU ML: 0.098 / Cross valid method: THROUGHOUT / ESU R: 0.184 / ESU R Free: 0.164 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 12.2 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.15→30.1 Å
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Refine LS restraints |
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