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TitleStructure of Fanzor2 reveals insights into the evolution of the TnpB superfamily.
Journal, issue, pagesNat Struct Mol Biol, Vol. 32, Issue 2, Page 243-246, Year 2025
Publish dateOct 1, 2024
AuthorsRichard D Schargel / M Zuhaib Qayyum / Ajay Singh Tanwar / Ravi C Kalathur / Elizabeth H Kellogg /
PubMed AbstractRNA-guided endonucleases, once thought to be exclusive to prokaryotes, have been recently identified in eukaryotes and are called Fanzors. They are classified into two clades, Fanzor1 and Fanzor2. ...RNA-guided endonucleases, once thought to be exclusive to prokaryotes, have been recently identified in eukaryotes and are called Fanzors. They are classified into two clades, Fanzor1 and Fanzor2. Here we present the cryo-electron microscopy structure of Acanthamoeba polyphaga mimivirus Fanzor2, revealing its ωRNA architecture, active site and features involved in transposon-adjacent motif recognition. A comparison to Fanzor1 and TnpB structures highlights divergent evolutionary paths, advancing our understanding of RNA-guided endonucleases.
External linksNat Struct Mol Biol / PubMed:39354233 / PubMed Central
MethodsEM (single particle)
Resolution2.99 Å
Structure data

44046

9b0l

EMDB-44046, PDB-9b0l:
Cryo-EM structure of Acanthamoeba polyphaga mimivirus Fanzor2 ternary complex
Method: EM (single particle) / Resolution: 2.99 Å

Chemicals

ChemComp-ZN:
Unknown entry

ChemComp-MG:
Unknown entry

Source
  • acanthamoeba polyphaga mimivirus
KeywordsDNA BINDING PROTEIN/DNA/RNA / Transposon / Fanzor / cryo-EM / DNA BINDING PROTEIN-DNA-RNA complex

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