8r3k

Electron Microscopy
3.43Å resolution

Influenza A/H7N9 polymerase in self-stalled pre-termination state, with Pol II pS5 CTD peptide mimic bound in site 1A/2A.

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 hexamer (preferred)
PDBe Complex ID:
PDB-CPX-271427 (preferred)
Entry contents:
4 distinct polypeptide molecules
2 distinct RNA molecules
Macromolecules (6 distinct):
Polymerase acidic protein Chain: A
Molecule details ›
Chain: A
Length: 716 amino acids
Theoretical weight: 82.83 KDa
Source organism: Influenza A virus (A/Zhejiang/DTID-ZJU01/2013(H7N9))
Expression system: Trichoplusia ni
UniProt:
  • Canonical: M9TI86 (Residues: 1-716; 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: 757 amino acids
Theoretical weight: 86.42 KDa
Source organism: Influenza A virus (A/Zhejiang/DTID-ZJU01/2013(H7N9))
Expression system: Trichoplusia ni
UniProt:
  • Canonical: M9TLW3 (Residues: 1-757; Coverage: 100%)
Gene name: PB1
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PB1
DNA-directed RNA polymerase II subunit RPB1 Chain: G
51-mer vRNA loop (v51_mut_S) Chain: V
RNA product Chain: M

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
Resolution: 3.43Å
Relevant EMDB volumes: EMD-18871
Expression systems:
  • Trichoplusia ni
  • Not provided