9BTO | pdb_00009bto

Influenza hemagglutinin B/Maryland/2016 glycoprotein

• PDB DOI: https://doi.org/10.2210/pdb9BTO/pdb
• EM Map EMD-44894: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Influenza B virus
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2024-05-15 Released: 2025-04-30 
• Deposition Author(s): Torrents de la Pena, A., Sewall, L.M., Ward, A.B.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID), Bill & Melinda Gates Foundation

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Rapid and High-Throughput Imaging of Immune Complexes Using Microfluidics and Single Particle Electron Microscopy

Sewall, L.M., Torrents de la Pena, A., Ward, A.B.

(2025) Nat Biomed Eng 

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 203.5 kDa 
• Atom Count: 11,520 
• Modeled Residue Count: 1,437 
• Deposited Residue Count: 1,782 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin HA1	A, C, E	370	Influenza B virus	Mutation(s): 0  Gene Names: HA
UniProt
Find proteins for A0A2Z5DTY0 (Influenza B virus) Explore A0A2Z5DTY0  Go to UniProtKB:  A0A2Z5DTY0
Glycosylation
Glycosylation Sites: 7

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemagglutinin HA2	B, D, F	224	Influenza B virus	Mutation(s): 0  Gene Names: HA
UniProt
Find proteins for A0A6N0BWU9 (Influenza B virus) Explore A0A6N0BWU9  Go to UniProtKB:  A0A6N0BWU9

Oligosaccharides

Help  

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	G, H, I, L, M, N, Q, R, S	3		N-Glycosylation
Glycosylation Resources
GlyTouCan: G15407YE GlyCosmos: G15407YE GlyGen: G15407YE

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	J, K, O, P, T, U	2		N-Glycosylation
Glycosylation Resources
GlyTouCan: G42666HT GlyCosmos: G42666HT GlyGen: G42666HT

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	AA [auth E], V [auth A], W [auth A], X [auth C], Y [auth C], Z [auth E]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	Rosetta
RECONSTRUCTION	cryoSPARC
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-04-30 
Deposition Author(s): Torrents de la Pena, A., Sewall, L.M., Ward, A.B.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	AI136621C3
Bill & Melinda Gates Foundation	United States	INV-002916

Revision History  

• Version 1.0: 2025-04-30
  Type: Initial release
  
• Version 1.1: 2025-05-28
  Changes: Data collection