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TitleThe structure of a virus-encoded nucleosome.
Journal, issue, pagesNat Struct Mol Biol, Vol. 28, Issue 5, Page 413-417, Year 2021
Publish dateApr 29, 2021
AuthorsMarco Igor Valencia-Sánchez / Stephen Abini-Agbomson / Miao Wang / Rachel Lee / Nikita Vasilyev / Jenny Zhang / Pablo De Ioannes / Bernard La Scola / Paul Talbert / Steve Henikoff / Evgeny Nudler / Albert Erives / Karim-Jean Armache /
PubMed AbstractCertain large DNA viruses, including those in the Marseilleviridae family, encode histones. Here we show that fused histone pairs Hβ-Hα and Hδ-Hγ from Marseillevirus are structurally analogous to ...Certain large DNA viruses, including those in the Marseilleviridae family, encode histones. Here we show that fused histone pairs Hβ-Hα and Hδ-Hγ from Marseillevirus are structurally analogous to the eukaryotic histone pairs H2B-H2A and H4-H3. These viral histones form 'forced' heterodimers, and a heterotetramer of four such heterodimers assembles DNA to form structures virtually identical to canonical eukaryotic nucleosomes.
External linksNat Struct Mol Biol / PubMed:33927388 / PubMed Central
MethodsEM (single particle)
Resolution3.4 - 4.5 Å
Structure data

EMDB-23529, PDB-7lv8:
Structure of the Marseillevirus nucleosome
Method: EM (single particle) / Resolution: 3.4 Å

EMDB-23530, PDB-7lv9:
Marseillevirus heterotrimeric (hexameric) nucleosome
Method: EM (single particle) / Resolution: 4.5 Å

Source
  • synthetic construct (others)
  • marseillevirus marseillevirus
KeywordsSTRUCTURAL PROTEIN/DNA / STRUCTURAL PROTEIN / STRUCTURAL PROTEIN-DNA complex

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