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TitleStructures of pseudorabies virus capsids.
Journal, issue, pagesNat Commun, Vol. 13, Issue 1, Page 1533, Year 2022
Publish dateMar 22, 2022
AuthorsGuosong Wang / Zhenghui Zha / Pengfei Huang / Hui Sun / Yang Huang / Maozhou He / Tian Chen / Lina Lin / Zhenqin Chen / Zhibo Kong / Yuqiong Que / Tingting Li / Ying Gu / Hai Yu / Jun Zhang / Qingbing Zheng / Yixin Chen / Shaowei Li / Ningshao Xia /
PubMed AbstractPseudorabies virus (PRV) is a major etiological agent of swine infectious diseases and is responsible for significant economic losses in the swine industry. Recent data points to human viral ...Pseudorabies virus (PRV) is a major etiological agent of swine infectious diseases and is responsible for significant economic losses in the swine industry. Recent data points to human viral encephalitis caused by PRV infection, suggesting that PRV may be able to overcome the species barrier to infect humans. To date, there is no available therapeutic for PRV infection. Here, we report the near-atomic structures of the PRV A-capsid and C-capsid, and illustrate the interaction that occurs between these subunits. We show that the C-capsid portal complex is decorated with capsid-associated tegument complexes. The PRV capsid structure is highly reminiscent of other α-herpesviruses, with some additional structural features of β- and γ-herpesviruses. These results illustrate the structure of the PRV capsid and elucidate the underlying assembly mechanism at the molecular level. This knowledge may be useful for the development of oncolytic agents or specific therapeutics against this arm of the herpesvirus family.
External linksNat Commun / PubMed:35318331 / PubMed Central
MethodsEM (single particle)
Resolution3.31 - 6.79 Å
Structure data

EMDB-31591: Cryo-EM structure of PRV A-capsid 5-fold sub-particle
Method: EM (single particle) / Resolution: 3.64 Å

EMDB-31592: Cryo-EM structure of PRV A-capsid 3-fold sub-particle
Method: EM (single particle) / Resolution: 3.5 Å

EMDB-31593: Cryo-EM structure of PRV A-capsid 2-fold sub-particle
Method: EM (single particle) / Resolution: 3.41 Å

EMDB-31594: Cryo-EM structure of PRV C-capsid 5-fold sub-particle
Method: EM (single particle) / Resolution: 3.31 Å

EMDB-31608: Cryo-EM structure of PRV C-capsid 3-fold sub-particle
Method: EM (single particle) / Resolution: 3.46 Å

EMDB-31609: Cryo-EM structure of PRV C-capsid 2-fold sub-particle
Method: EM (single particle) / Resolution: 3.43 Å

EMDB-31610: Cryo-EM structure of PRV C-capsid portal vertex
Method: EM (single particle) / Resolution: 6.79 Å

31611

7fj1

EMDB-31611, PDB-7fj1:
Cryo-EM structure of pseudorabies virus C-capsid
Method: EM (single particle) / Resolution: 4.43 Å

31612

7fj3

EMDB-31612, PDB-7fj3:
Cryo-EM structure of PRV A-capid
Method: EM (single particle) / Resolution: 4.53 Å

EMDB-31616: Portal-based reconstruction of PRV C-capsid
Method: EM (single particle) / Resolution: 4.72 Å

Source
  • suid alphaherpesvirus 1
KeywordsVIRUS / Pseudorabies virus / C-capsid / Cryo-EM

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