9T0Q | pdb_00009t0q

Expanded Coxsackievirus B1 (CVB1) virus-like particle delta-PALXA

• PDB DOI: https://doi.org/10.2210/pdb9T0Q/pdb
• EM Map EMD-55411: EMDB EMDataResource

• Classification: VIRUS LIKE PARTICLE
• Organism(s): Enterovirus B
• Expression System: Trichoplusia ni
• Mutation(s): Yes 


• Deposited: 2025-10-20 Released: 2026-11-04 
• Deposition Author(s): Gurianov, S., Butcher, S.J.
• Funding Organization(s): Academy of Finland, Finnish Cultural Foundation, Business Finland, Jane and Aatos Erkko Foundation, Sigrid Juselius Foundation, Other private

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.06 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental

Literature

Coxsackie B1 virus-like particle vaccine modified to exclude a conserved capsid region remains stable at +4C for 2 years and induces a balanced immune response with AS04 adjuvant

Soppela, S., Stone, V., Kummola, L., Mustonen, I., Grohn, S., Guryanov, S., Ahmad, K.L.L., Butcher, S.J., Laitinen, O., Flodstrom-Tullberg, M., Hankaniemi, M.M.

To be published.

Biological Assembly 1  

Global Symmetry: Icosahedral - I  (Explore in 3D)
Global Stoichiometry: Hetero 180-mer - A60B60C60 Pseudo Symmetry: Icosahedral - I  (Explore in 3D)
Pseudo Stoichiometry: Hetero 180-mer - A120B60 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 85.14 kDa 
• Atom Count: 5,396 
• Modeled Residue Count: 691 
• Deposited Residue Count: 764 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP1	A [auth 1]	263	Enterovirus B	Mutation(s): 8
UniProt
Find proteins for P08291 (Coxsackievirus B1 (strain Japan)) Explore P08291  Go to UniProtKB:  P08291

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP2	B [auth 2]	263	Enterovirus B	Mutation(s): 11
UniProt
Find proteins for P08291 (Coxsackievirus B1 (strain Japan)) Explore P08291  Go to UniProtKB:  P08291

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP3	C [auth 3]	238	Enterovirus B	Mutation(s): 11
UniProt
Find proteins for P08291 (Coxsackievirus B1 (strain Japan)) Explore P08291  Go to UniProtKB:  P08291

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.06 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.5.3
MODEL REFINEMENT	ISOLDE	1.9
MODEL REFINEMENT	PHENIX	dev_5463

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-11-04 
Deposition Author(s): Gurianov, S., Butcher, S.J.

---

Funding Organization	Location	Grant Number
Academy of Finland	Finland	355414
Finnish Cultural Foundation	Finland	--
Business Finland	Finland	--
Jane and Aatos Erkko Foundation	Finland	240002
Sigrid Juselius Foundation	Finland	95-7202-38
Sigrid Juselius Foundation	Finland	121-8570-56
Other private	Finland	--

Revision History  

• Version 1.0: 2026-11-04
  Type: Initial release