5m3j

X-ray diffraction
3.5Å resolution

Influenza B polymerase bound to four heptad repeats of serine 5 phosphorylated Pol II CTD

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-150303 (preferred)
Entry contents:
4 distinct polypeptide molecules
2 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 (B/Memphis/13/2003)
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 (B/Memphis/13/2003)
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q5V8Y6 (Residues: 1-752; Coverage: 100%)
Gene name: PB1
Sequence domains: Influenza RNA-dependent RNA polymerase subunit PB1
DNA-directed RNA polymerase II subunit RPB1 Chain: X
Molecule details ›
Chain: X
Length: 28 amino acids
Theoretical weight: 3.22 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P24928 (Residues: 1713-1740; Coverage: 1%)
Gene names: POLR2, POLR2A
Sequence domains: RNA polymerase Rpb1 C-terminal repeat
RNA (5'-R(*UP*AP*UP*AP*CP*CP*UP*CP*UP*GP*CP*UP*UP*C)-3') Chain: R
Molecule details ›
Chain: R
Length: 14 nucleotides
Theoretical weight: 4.32 KDa
RNA (5'-R(P*AP*GP*UP*AP*GP*UP*AP*AP*CP*AP*AP*GP*AP*G)-3') Chain: V
Molecule details ›
Chain: V
Length: 14 nucleotides
Theoretical weight: 4.56 KDa

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P3221
Unit cell:
a: 200.16Å b: 200.16Å c: 250.38Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.24 0.239 0.268
Expression systems:
  • Trichoplusia ni
  • Not provided