9N4F | pdb_00009n4f

Structure of 240-14-IgA_2F02 Fab in complex with influenza H3N8 A/Mallard/Alberta/362/2017 Hemagglutinin

• PDB DOI: https://doi.org/10.2210/pdb9N4F/pdb
• EM Map EMD-48874: EMDB EMDataResource

• Classification: VIRAL PROTEIN/IMMUNE SYSTEM
• Organism(s): Influenza A virus, Homo sapiens
• Expression System: Spodoptera frugiperda, Homo sapiens
• Mutation(s): No 


• Deposited: 2025-02-02 Released: 2025-10-08 
• Deposition Author(s): Gopal, A.B., Wu, N.C., Lv, H., Pholcharee, T.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.71 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of 240-14-IgA_2F02 Fab in complex with influenza H3N8 A/Mallard/Alberta/362/2017 Hemagglutinin

Gopal, A.B., Wu, N.C., Lv, H., Pholcharee, T.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 12-mer - A3B3C3D3 Pseudo Symmetry: Cyclic - C3  (Explore in 3D)
Pseudo Stoichiometry: Hetero 12-mer - A6B3C3 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 407.47 kDa 
• Atom Count: 16,473 
• Modeled Residue Count: 2,124 
• Deposited Residue Count: 3,672 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin	A, B, E [auth C], F [auth D], I [auth E], J [auth F]	495	Influenza A virus	Mutation(s): 0  Gene Names: HA
UniProt
Find proteins for A0A2Z4WF96 (Influenza A virus) Explore A0A2Z4WF96  Go to UniProtKB:  A0A2Z4WF96

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Variable domain of the heavy chain of 240-14-IgA_2F02 Fab	C [auth H], G [auth M], K [auth O]	125	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Variable domain of the light chain of 240-14-IgA_2F02 Fab	D [auth L], H [auth N], L [auth P]	109	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.71 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.5

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-08 
Deposition Author(s): Gopal, A.B., Wu, N.C., Lv, H., Pholcharee, T.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R01 AI167910

Revision History  

• Version 1.0: 2025-10-08
  Type: Initial release