X-ray diffraction
2.45Å resolution

Enterovirus 71 Polymerase Elongation Complex (C1S1/2 Form)

Primary publication:
Structural basis of viral RNA-dependent RNA polymerase catalysis and translocation.
Proc. Natl. Acad. Sci. U.S.A. 113 E4005-14 (2016)
PMID: 27339134

Function and Biology Details

Reaction catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct RNA molecules
Macromolecules (3 distinct):
Genome polyprotein Chain: A
Molecule details ›
Chain: A
Length: 468 amino acids
Theoretical weight: 53.38 KDa
Source organism: Enterovirus A71
Expression system: Escherichia coli
  • Canonical: E5RPG2 (Residues: 1732-2193; Coverage: 21%)
Sequence domains: RNA dependent RNA polymerase
Structure domains:
RNA (35-MER) Chain: B
Molecule details ›
Chain: B
Length: 35 nucleotides
Theoretical weight: 11.26 KDa
Source organism: synthetic construct
Expression system: Not provided
Molecule details ›
Chain: C
Length: 16 nucleotides
Theoretical weight: 5.2 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 63.344Å b: 77.081Å c: 149.853Å
α: 90° β: 90° γ: 90°
R R work R free
0.2 0.198 0.244
Expression systems:
  • Escherichia coli
  • Not provided