8z8j

Electron Microscopy
3.16Å resolution

Cryo-EM structure of Thogoto virus polymerase in transcription pre-initiation conformation 2

Released:

Function and Biology Details

Reaction catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-244765 (preferred)
Entry contents:
3 distinct polypeptide molecules
2 distinct RNA molecules
Macromolecules (5 distinct):
Polymerase acidic protein Chain: A
Molecule details ›
Chain: A
Length: 622 amino acids
Theoretical weight: 71.62 KDa
Source organism: Thogoto virus (isolate SiAr 126)
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P27194 (Residues: 1-622; Coverage: 100%)
Gene name: Segment 3
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PA
RNA-directed RNA polymerase catalytic subunit Chain: B
Molecule details ›
Chain: B
Length: 710 amino acids
Theoretical weight: 81.43 KDa
Source organism: Thogoto virus (isolate SiAr 126)
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: O41353 (Residues: 1-710; Coverage: 100%)
Gene name: Segment 2
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PB1
Polymerase basic protein 2 Chain: C
Molecule details ›
Chain: C
Length: 827 amino acids
Theoretical weight: 94.42 KDa
Source organism: Thogoto virus (isolate SiAr 126)
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q9YNA4 (Residues: 1-769; Coverage: 100%)
Gene name: Segment 1
Sequence domains:
RNA (5'-R(*AP*GP*AP*GP*AP*AP*AP*UP*CP*AP*AP*GP*GP*CP*AP*GP*UP*U)-3') Chain: D
Molecule details ›
Chain: D
Length: 18 nucleotides
Theoretical weight: 5.84 KDa
RNA (5'-R(*GP*AP*CP*UP*GP*CP*CP*UP*GP*UP*UP*UP*UP*UP*GP*CP*U)-3') Chain: E
Molecule details ›
Chain: E
Length: 17 nucleotides
Theoretical weight: 5.34 KDa

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.16Å
Relevant EMDB volumes: EMD-39848
Expression system: Spodoptera frugiperda