12ZE | pdb_000012ze

CryoEM structure of Papaya Meleira Virus (PMeV) particles purified directly from Carica papaya latex

• PDB DOI: https://doi.org/10.2210/pdb12ZE/pdb
• EM Map EMD-76875: EMDB EMDataResource

• Classification: VIRUS
• Organism(s): Carica papaya
• Mutation(s): No 


• Deposited: 2026-04-23 Released: 2026-05-06 
• Deposition Author(s): de Oliveira, G., Rodrigues, S.
• Funding Organization(s): Brazilian National Council for Scientific and Technological Development (CNPq)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico

Literature

Structural adaptation of a dsRNA virus enables persistence in plant latex and expands host range

de Oliveira, G., Montovaneli, G., Arruda, H., Rios, V., Cunha, M., Maurastoni, M., Amorim, G., Abreu, E., Ribeiro, S., Sanches, M., Zingali, R., Almeida, F., Santos, A., Fernandes, A., Ventura, J., Silva, J., Fernandes, P., Rodrigues, S.

To be published.

Biological Assembly 1  

Global Symmetry: Icosahedral - I  (Explore in 3D)
Global Stoichiometry: Homo 120-mer - A120 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 198.95 kDa 
• Atom Count: 12,559 
• Modeled Residue Count: 1,551 
• Deposited Residue Count: 1,732 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Coat protein	A, B	866	Carica papaya	Mutation(s): 0
UniProt
Find proteins for A0A172JTY4 (Papaya meleira virus) Explore A0A172JTY4  Go to UniProtKB:  A0A172JTY4

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487
RECONSTRUCTION	cryoSPARC	v.4.5.3

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-05-06 
Deposition Author(s): de Oliveira, G., Rodrigues, S.

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Funding Organization	Location	Grant Number
Brazilian National Council for Scientific and Technological Development (CNPq)	Brazil	465395/2014-7
Brazilian National Council for Scientific and Technological Development (CNPq)	Brazil	408046/2021-0
Brazilian National Council for Scientific and Technological Development (CNPq)	Brazil	408340/2024-0
Brazilian National Council for Scientific and Technological Development (CNPq)	Brazil	303914/2024-6
Brazilian National Council for Scientific and Technological Development (CNPq)	Brazil	404972/2021-7
Brazilian National Council for Scientific and Technological Development (CNPq)	Brazil	301052/2025-5

Revision History  

• Version 1.0: 2026-05-06
  Type: Initial release