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- PDB-8zyx: Neuraminidase of A/Switzerland/9715293/2013 H3N2 in complex with ... -

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Basic information

Entry
Database: PDB / ID: 8zyx
TitleNeuraminidase of A/Switzerland/9715293/2013 H3N2 in complex with CAV-F6-R54S Fab
Components
  • CAV-F6-R54S heavy chain
  • CAV-F6-R54S kappa chain
  • Neuraminidase
KeywordsVIRAL PROTEIN/IMMUNE SYSTEM / influenza virus / neuraminidase / antibody / VIRAL PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


exo-alpha-sialidase / exo-alpha-sialidase activity / viral budding from plasma membrane / carbohydrate metabolic process / host cell plasma membrane / virion membrane / metal ion binding / membrane
Similarity search - Function
Sialidase, Influenza viruses A/B / Glycoside hydrolase, family 34 / Neuraminidase / Sialidase superfamily
Similarity search - Domain/homology
Biological speciesInfluenza A virus
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.33 Å
AuthorsWang, X. / Ge, J. / Li, X.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Neuraminidase of A/Switzerland/9715293/2013 H3N2 in complex with CAV-F6-R54S Fab
Authors: Wang, X. / Ge, J. / Li, X.
History
DepositionJun 18, 2024Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Jul 2, 2025Provider: repository / Type: Initial release
Revision 1.0Jul 2, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jul 2, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Jul 2, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 2, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 2, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jul 2, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Neuraminidase
B: Neuraminidase
C: Neuraminidase
D: Neuraminidase
F: CAV-F6-R54S heavy chain
J: CAV-F6-R54S kappa chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)207,94434
Polymers195,9806
Non-polymers11,96328
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Antibody , 2 types, 2 molecules FJ

#2: Antibody CAV-F6-R54S heavy chain


Mass: 13499.011 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#3: Antibody CAV-F6-R54S kappa chain


Mass: 11642.924 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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Protein / Non-polymers , 2 types, 8 molecules ABCD

#1: Protein
Neuraminidase


Mass: 42709.629 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Influenza A virus / Gene: NA / Production host: Homo sapiens (human) / References: UniProt: A0A2P1E3B1, exo-alpha-sialidase
#7: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca

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Sugars , 3 types, 24 molecules

#4: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 12
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#5: Polysaccharide
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-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


Type: oligosaccharide / Mass: 1235.105 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-2DManpa1-3[DManpa1-3DManpa1-6]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,7,6/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3-3-3/a4-b1_b4-c1_c3-d1_c6-f1_d2-e1_f3-g1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{[(2+1)][a-D-Manp]{}}[(6+1)][a-D-Manp]{[(3+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#6: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Details

Has ligand of interestN
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Neuraminidase of A/Switzerland/9715293/2013 H3N2 in complex with CAV-F6-R54S Fab
Type: COMPLEX / Entity ID: #1-#3 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Influenza A virus
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.2
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 1800 nm / Nominal defocus min: 1300 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.21_5207: / Category: model refinement
CTF correctionType: NONE
3D reconstructionResolution: 2.33 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 170595 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00314815
ELECTRON MICROSCOPYf_angle_d0.61120101
ELECTRON MICROSCOPYf_dihedral_angle_d7.8572846
ELECTRON MICROSCOPYf_chiral_restr0.0462364
ELECTRON MICROSCOPYf_plane_restr0.0042511

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