8U1S

A mechanistic understanding of protective influenza B neuraminidase mAbs at the airway interface

• PDB DOI: https://doi.org/10.2210/pdb8U1S/pdb
• EM Map EMD-41826: EMDB EMDataResource

• Classification: HYDROLASE
• Organism(s): Influenza B virus (B/Iowa/06/2017), Homo sapiens
• Expression System: Drosophila melanogaster, Cricetulus griseus
• Mutation(s): No 


• Deposited: 2023-09-02 Released: 2024-03-27 
• Deposition Author(s): Ferguson, J.A., Raghavan, S.S.R., Ward, A.B.
• 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: 3.21 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

A mechanistic understanding of protective influenza B neuraminidase mAbs at the airway interface

Ferguson, J.A., Oeverdieck, S., Ward, A.B.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Hetero 12-mer - A4B4C4 Pseudo Symmetry: Cyclic - C4  (Explore in 3D)
Pseudo Stoichiometry: Hetero 12-mer - A8B4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 307.15 kDa 
• Atom Count: 17,465 
• Modelled Residue Count: 2,241 
• Deposited Residue Count: 2,784 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Neuraminidase	A, J [auth B], K [auth C], L [auth D]	466	Influenza B virus (B/Iowa/06/2017)	Mutation(s): 0  Gene Names: NA
UniProt
Find proteins for A0A1S7DL21 (Influenza B virus) Explore A0A1S7DL21  Go to UniProtKB:  A0A1S7DL21

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
mAb-393 heavy chain	B [auth J], D [auth G], F [auth E], H	123	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
mAb-393 light chain	C [auth K], E [auth I], G [auth F], I [auth L]	107	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG (Subject of Investigation/LOI)	M [auth A], N [auth B], O [auth C], P [auth D]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.21 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	Coot
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-27 
Deposition Author(s): Ferguson, J.A., Raghavan, S.S.R., Ward, A.B.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	75N93019C00051

Revision History  

• Version 1.0: 2024-03-27
  Type: Initial release