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TitleAtomic structure of the Epstein-Barr virus portal.
Journal, issue, pagesNat Commun, Vol. 10, Issue 1, Page 3891, Year 2019
Publish dateAug 29, 2019
AuthorsCristina Machón / Montserrat Fàbrega-Ferrer / Daming Zhou / Ana Cuervo / José L Carrascosa / David I Stuart / Miquel Coll /
PubMed AbstractHerpesviridae is a vast family of enveloped DNA viruses that includes eight distinct human pathogens, responsible for diseases that range from almost asymptomatic to severe and life-threatening. ...Herpesviridae is a vast family of enveloped DNA viruses that includes eight distinct human pathogens, responsible for diseases that range from almost asymptomatic to severe and life-threatening. Epstein-Barr virus infects B-cells and epithelial cells, causing infectious mononucleosis, as well as a number of cancers. Epstein-Barr infection cannot be cured since neither vaccine nor antiviral drug treatments are available. All herpesviruses contain a linear double-stranded DNA genome, enclosed within an icosahedral capsid. Viral portal protein plays a key role in the procapsid assembly and DNA packaging. The portal is the entrance and exit pore for the viral genome, making it an attractive pharmacological target for the development of new antivirals. Here we present the atomic structure of the portal protein of Epstein-Barr virus, solved by cryo-electron microscopy at 3.5 Å resolution. The detailed architecture of this protein suggests that it plays a functional role in DNA retention during packaging.
External linksNat Commun / PubMed:31467275 / PubMed Central
MethodsEM (single particle)
Resolution3.46 - 3.59 Å
Structure data

10010

6rvr

EMDB-10010, PDB-6rvr:
Atomic structure of the Epstein-Barr portal, structure I
Method: EM (single particle) / Resolution: 3.46 Å

10011

6rvs

EMDB-10011, PDB-6rvs:
Atomic structure of the Epstein-Barr portal, structure II
Method: EM (single particle) / Resolution: 3.59 Å

Source
  • Human gammaherpesvirus 4 (Epstein-Barr virus)
  • epstein-barr virus (strain gd1) (Epstein-Barr virus)
KeywordsVIRAL PROTEIN / DNA packaging / DNA packaging protein

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