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TitleStructure of an archaeal RNA polymerase.
Journal, issue, pagesJ Mol Biol, Vol. 376, Issue 2, Page 303-307, Year 2008
Publish dateFeb 15, 2008
AuthorsAnselm G Kusser / Michela G Bertero / Souad Naji / Thomas Becker / Michael Thomm / Roland Beckmann / Patrick Cramer /
PubMed AbstractRelated multisubunit RNA polymerases (RNAPs) carry out gene transcription in all kingdoms of life. Since structural information is limited to bacterial and eukaryotic RNAPs, we determined the cryo- ...Related multisubunit RNA polymerases (RNAPs) carry out gene transcription in all kingdoms of life. Since structural information is limited to bacterial and eukaryotic RNAPs, we determined the cryo-electron microscopic structure of the RNAP from the thermophilic archaeon Pyrococcus furiosus at 13 A resolution. Comparison with eukaryotic RNAP II reveals a conserved architecture, no homologues for subunits Rpb8 and Rpb9, and significant deviation in the polymerase foot, jaws, pore, and protrusion. The structural organization of the archaeal RNA polymerase serves as a reference for future structure-function analysis of the transcription mechanism and allows for evolutionary comparisons.
External linksJ Mol Biol / PubMed:18164030
MethodsEM (single particle)
Resolution13.0 Å
Structure data

EMDB-1711:
Pyrococcus furiosus RNA Polymerase
Method: EM (single particle) / Resolution: 13.0 Å

Source
  • Pyrococcus furiosus (archaea)

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