› 6evk

X-ray diffraction
2.9Å resolution

Crystal structure of bat influenza A/H17N10 polymerase with viral RNA promoter and cap analogue m7GTP

Released:
DOI: 10.2210/pdb6evk/pdb
Model geometry
Fit model/data
PDB entry 6evk coloured by chain, front view.
PDB entry 6evk coloured by chain, side view.
PDB entry 6evk coloured by chain, top view.
Source organism: Influenza A virus (A/little yellow-shouldered bat/Guatemala/060/2010(H17N10))
Primary publication:
Capped RNA primer binding to influenza polymerase and implications for the mechanism of cap-binding inhibitors.
Pflug A, Gaudon S, Resa-Infante P, Lethier M, Reich S, Schulze WM, Cusack S
OpenAccess logo Nucleic Acids Res 46 956-971 (2018)
PMID: 29202182

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-124818 (preferred)
Entry contents:
3 distinct polypeptide molecules
2 distinct RNA molecules
Macromolecules (5 distinct):
Polymerase acidic protein Chain: A
Molecule details ›
Chain: A
Length: 738 amino acids
Theoretical weight: 85.49 KDa
Source organism: Influenza A virus (A/little yellow-shouldered bat/Guatemala/060/2010(H17N10))
Expression system: Trichoplusia ni
UniProt:
  • Canonical: H6QM92 (Residues: 1-713; 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: 776 amino acids
Theoretical weight: 87.94 KDa
Source organism: Influenza A virus (A/little yellow-shouldered bat/Guatemala/060/2010(H17N10))
Expression system: Trichoplusia ni
UniProt:
  • Canonical: H6QM91 (Residues: 1-756; Coverage: 100%)
Gene name: PB1
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PB1
Polymerase basic protein 2 Chain: C
RNA (5'-R(*UP*AP*UP*AP*CP*CP*UP*CP*UP*GP*CP*UP*U)-3') Chain: R
RNA (5'-R(P*AP*GP*UP*AP*GP*UP*AP*AP*CP*AP*AP*GP*AP*GP*GP*G)-3') Chain: V

Ligands and Environments

3 bound ligands:
Ligand ZN 1 x ZN
Ligand PO4 12 x PO4
Ligand MGP 1 x MGP
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: C2
Unit cell:
a: 269.34Å b: 148.7Å c: 88.51Å
α: 90° β: 98.17° γ: 90°
R-values:
R R work R free
0.236 0.234 0.273
Expression system: Trichoplusia ni

Quick links

Citations

5 review citations

Structure and Function of the Influenza Virus Transcription and Replication Machinery.
Fodor et al. (2020)
4 more

4 mentions without citation

Interplay between Influenza Virus and the Host RNA Polymerase II Transcriptional Machinery.
Walker et al. (2019)
3 more