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- PDB-9d1u: Map of influenza hemagglutinin A/Sing/INFIMH/16 expressed in GntI... -

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Open data


ID or keywords:

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Basic information

Entry
Database: PDB / ID: 9d1u
TitleMap of influenza hemagglutinin A/Sing/INFIMH/16 expressed in GntI- cells
ComponentsHemagglutinin
KeywordsVIRAL PROTEIN / influenza / H3 / Sing16
Function / homology
Function and homology information


clathrin-dependent endocytosis of virus by host cell / host cell surface receptor binding / 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 / membrane
Similarity search - Function
Haemagglutinin, influenzavirus A / Haemagglutinin, HA1 chain, alpha/beta domain superfamily / Haemagglutinin / Haemagglutinin, influenzavirus A/B / Viral capsid/haemagglutinin protein
Similarity search - Domain/homology
Biological speciesInfluenza A virus
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsTorrents de la Pena, A. / de Paiva Froes Rocha, R. / Ward, A.B.
Funding support United States, 1items
OrganizationGrant numberCountry
Bill & Melinda Gates FoundationINV-004923 United States
CitationJournal: To Be Published
Title: Structural and immunological characterization of the H3 influenza hemagglutinin during antigenic drift
Authors: Torrents de la Pena, A. / de Paiva Froes Rocha, R. / Ward, A.B.
History
DepositionAug 7, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 13, 2025Provider: repository / Type: Initial release
Revision 1.0Aug 13, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Aug 13, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Aug 13, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Aug 13, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Aug 13, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Aug 13, 2025Data content type: Mask / Part number: 1 / Data content type: Mask / Provider: repository / Type: Initial release
Revision 1.0Aug 13, 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

Downloads & links

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Assembly

Deposited unit
A: Hemagglutinin
B: Hemagglutinin
C: Hemagglutinin


Theoretical massNumber of molelcules
Total (without water)278,2313
Polymers278,2313
Non-polymers00
Water00
1


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

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Components

#1: Protein Hemagglutinin


Mass: 92743.625 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Influenza A virus / Gene: HA / Production host: Homo sapiens (human) / References: UniProt: A0A2R4U2X2
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: influenza hemagglutinin A/Sing/INFIMH/16 expressed in GntI- cells trimer
Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Influenza A virus
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4 / Details: TBS
SpecimenConc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: EMS Lacey Carbon
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K

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Electron microscopy imaging

Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company
MicroscopyModel: FEI TALOS ARCTICA
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: DIFFRACTION / Nominal defocus max: 1500 nm / Nominal defocus min: 800 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM software
IDNameCategory
2Leginonimage acquisition
4cryoSPARCCTF correction
8PHENIXmodel refinement
10cryoSPARCinitial Euler assignment
11cryoSPARCfinal Euler assignment
13cryoSPARC3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C3 (3 fold cyclic)
3D reconstructionResolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 58645 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.01511946
ELECTRON MICROSCOPYf_angle_d1.89116167
ELECTRON MICROSCOPYf_dihedral_angle_d17.7374446
ELECTRON MICROSCOPYf_chiral_restr0.1011749
ELECTRON MICROSCOPYf_plane_restr0.0112124

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