6qcs

Electron Microscopy
3.1Å resolution

Influenza B polymerase pre-initiation complex

Released:
Source organism: Influenza B virus
Primary publication:
Structural snapshots of actively transcribing influenza polymerase.
Nat Struct Mol Biol 26 460-470 (2019)
PMID: 31160782
Related structures: EMD-4511

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-178412 (preferred)
Entry contents:
3 distinct polypeptide molecules
3 distinct RNA molecules
Macromolecules (6 distinct):
Polymerase acidic protein Chain: A
Molecule details ›
Chain: A
Length: 751 amino acids
Theoretical weight: 85.82 KDa
Source organism: Influenza B virus
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q5V8Z9 (Residues: 1-726; Coverage: 100%)
Gene name: PA
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PA
RNA-directed RNA polymerase catalytic subunit Chain: B
Molecule details ›
Chain: B
Length: 772 amino acids
Theoretical weight: 86.21 KDa
Source organism: Influenza B virus
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q5V8Y6 (Residues: 1-752; Coverage: 100%)
Gene name: PB1
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PB1
Polymerase basic protein 2 Chain: C
Capped RNA Chain: M
Molecule details ›
Chain: M
Length: 15 nucleotides
Theoretical weight: 5.24 KDa
5 end Chain: V
Molecule details ›
Chain: V
Length: 14 nucleotides
Theoretical weight: 4.56 KDa
3 end Chain: R
Molecule details ›
Chain: R
Length: 21 nucleotides
Theoretical weight: 6.53 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.1Å
Relevant EMDB volumes: EMD-4511
Expression system: Trichoplusia ni