3avu

X-ray diffraction
2.91Å resolution

Structure of viral RNA polymerase complex 2

Released:
Primary publication:
Molecular basis for RNA polymerization by Qβ replicase.
Nat Struct Mol Biol 19 229-37 (2012)
PMID: 22245970

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-238696 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct RNA molecules
Macromolecules (3 distinct):
Elongation factor Ts; Elongation factor Tu; RNA-directed RNA polymerase subunit beta Chain: A
Molecule details ›
Chain: A
Length: 1289 amino acids
Theoretical weight: 141.42 KDa
Source organisms: Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6P3 (Residues: 1-283; Coverage: 100%)
  • Canonical: P0A6N3 (Residues: 1-394; Coverage: 100%)
  • Canonical: P14647 (Residues: 1-589; Coverage: 100%)
Gene names: ECs0172, ECs4190, ECs4903, Z0181, Z4697, Z5553, tsf, tufA, tufB
Sequence domains:
Structure domains:
RNA (5'-R(*GP*GP*GP*UP*CP*CP*A)-3') Chain: G
Molecule details ›
Chain: G
Length: 7 nucleotides
Theoretical weight: 2.24 KDa
RNA (5'-R(*AP*UP*CP*GP*UP*GP*GP*AP*CP*CP*CP*A)-3') Chain: T
Molecule details ›
Chain: T
Length: 12 nucleotides
Theoretical weight: 3.81 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-17A
Spacegroup: C2221
Unit cell:
a: 139Å b: 255.47Å c: 101.11Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.222 0.219 0.28
Expression system: Escherichia coli