31LF | pdb_000031lf

HRV virion E2250A mutant

• PDB DOI: https://doi.org/10.2210/pdb31LF/pdb
• EM Map EMD-58502: EMDB EMDataResource

• Classification: VIRUS
• Organism(s): rhinovirus B14
• Expression System: rhinovirus B14
• Mutation(s): Yes 


• Deposited: 2026-06-11 Released: 2026-09-09 
• Deposition Author(s): Martinez-Romero, J.M., Caston, J.R., Mateu, M.G.
• Funding Organization(s): Spanish Ministry of Science, Innovation, and Universities

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Experimental Data Snapshot

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

Starting Model: experimental

Literature

RNA-repelling Anionic Clusters in Human Rhinovirus Cooperate with Cationic Residues to Promote Virion Assembly and Restrain RNA Release

Riomoros-Barahona, V., Martinez-Romero, J.M., Valiente, L., McGrail, J.P., Gil-Redondo, J.C., Valbuena, A., Caston, J.R., Mateu, M.G.

(2026) J Mol Biol : 169998

• DOI: https://doi.org/10.1016/j.jmb.2026.169998

Biological Assembly 1  

Global Symmetry: Icosahedral - I  (Explore in 3D)
Global Stoichiometry: Hetero 240-mer - A60B60C60D60 Pseudo Symmetry: Icosahedral - I  (Explore in 3D)
Pseudo Stoichiometry: Hetero 240-mer - A120B60C60 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 95.29 kDa 
• Atom Count: 6,682 
• Modeled Residue Count: 835 
• Deposited Residue Count: 835 
• Unique protein chains: 4
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP1	A [auth 1]	282	rhinovirus B14	Mutation(s): 0
UniProt
Find proteins for P03303 (Human rhinovirus 14) Explore P03303  Go to UniProtKB:  P03303

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Genome polyprotein	B [auth 2]	256	rhinovirus B14	Mutation(s): 1

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP3	C [auth 3]	236	rhinovirus B14	Mutation(s): 0
UniProt
Find proteins for P03303 (Human rhinovirus 14) Explore P03303  Go to UniProtKB:  P03303

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP4	D [auth 4]	47	rhinovirus B14	Mutation(s): 0
UniProt
Find proteins for P03303 (Human rhinovirus 14) Explore P03303  Go to UniProtKB:  P03303

Entity ID: 5
Molecule	Chains	Length	Organism	Image
RNA (5'-R(P*AP*UP*UP*UP*UP*UP*UP*UP*UP*UP*UP*UP*UP*U)-3')	E [auth 5]	14	rhinovirus B14

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

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-09-09 
Deposition Author(s): Martinez-Romero, J.M., Caston, J.R., Mateu, M.G.

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Funding Organization	Location	Grant Number
Spanish Ministry of Science, Innovation, and Universities	Spain	--

Revision History  

• Version 1.0: 2026-09-09
  Type: Initial release