7ESD | pdb_00007esd

Mature Donggang virus

• PDB DOI: https://doi.org/10.2210/pdb7ESD/pdb
• EM Map EMD-31288: EMDB EMDataResource

• Classification: VIRUS
• Organism(s): Donggang virus
• Expression System: Aedes albopictus C6/36 cell densovirus
• Mutation(s): No 


• Deposited: 2021-05-10 Released: 2022-05-18 
• Deposition Author(s): Zhang, Y., Liang, D.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Replication is the key barrier during the dual-host adaptation of mosquito-borne flaviviruses.

Zhang, Y., Liang, D., Yuan, F., Yan, Y., Wang, Z., Liu, P., Yu, Q., Zhang, X., Wang, X., Zheng, A.

(2022) Proc Natl Acad Sci U S A 119: e2110491119-e2110491119

• PubMed: 35294288 
• DOI: https://doi.org/10.1073/pnas.2110491119
• Primary Citation Related Structures: 
  7ESD


• PubMed Abstract: 
  

  Mosquito-borne flaviviruses (MBFs) adapt to a dual-host transmission circle between mosquitoes and vertebrates. Dual-host affiliated insect-specific flaviviruses (dISFs), discovered from mosquitoes, are phylogenetically similar to MBFs but do not infect vertebrates. Thus, dISF–MBF chimeras could be an ideal model to study the dual-host adaptation of MBFs. Using the pseudoinfectious reporter virus particle and reverse genetics systems, we found dISFs entered vertebrate cells as efficiently as the MBFs but failed to initiate replication. Exchange of the untranslational regions (UTRs) of Donggang virus (DONV), a dISF, with those from Zika virus (ZIKV) rescued DONV replication in vertebrate cells, and critical secondary RNA structures were further mapped. Essential UTR-binding host factors were screened for ZIKV replication in vertebrate cells, displaying different binding patterns. Therefore, our data demonstrate a post-entry cross-species transmission mechanism of MBFs, while UTR-host interaction is critical for dual-host adaptation.

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Organizational Affiliation: 
• State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing 100101, China.
CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China.
CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China.
Arbovirus Laboratory, Liaoning Center for Disease Control and Prevention, Shenyang 110005, China.
College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China.
College of Life Sciences, Henan Normal University, Xinxiang 45300, China.

Biological Assembly 1  

Global Symmetry: Icosahedral - I  (Explore in 3D)
Global Stoichiometry: Hetero 360-mer - A180B180 

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

Biological Assembly Evidence: microscopy

Macromolecule Content 

• Total Structure Weight: 189.11 kDa 
• Atom Count: 12,948 
• Modeled Residue Count: 1,713 
• Deposited Residue Count: 1,728 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Genome polyprotein	A, B, E [auth C]	501	Donggang virus	Mutation(s): 0
UniProt
Find proteins for A0ACD6B8L8 (Donggang virus) Explore A0ACD6B8L8  Go to UniProtKB:  A0ACD6B8L8

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Genome polyprotein	C [auth D], D [auth E], F	75	Donggang virus	Mutation(s): 0
UniProt
Find proteins for A0ACD6B8L8 (Donggang virus) Explore A0ACD6B8L8  Go to UniProtKB:  A0ACD6B8L8

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2022-05-18 
Deposition Author(s): Zhang, Y., Liang, D.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81871687

Revision History  

• Version 1.0: 2022-05-18
  Type: Initial release
  
• Version 2.0: 2022-06-29
  Type: Coordinate replacement
  Reason: Model orientation/position
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Experimental preparation, Polymer sequence, Source and taxonomy, Structure summary
• Version 2.1: 2024-10-16
  Changes: Data collection, Structure summary