PDBe 2q66

X-ray diffraction
1.8Å resolution

Structure of Yeast Poly(A) Polymerase with ATP and oligo(A)


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Poly(A) polymerase Chain: A
Molecule details ›
Chain: A
Length: 525 amino acids
Theoretical weight: 60 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
  • Canonical: P29468 (Residues: 5-529; Coverage: 92%)
Gene names: PAP1, YKR002W
Sequence domains:
Structure domains:
5'-R(P*AP*AP*AP*AP*A)-3' Chain: X
Molecule details ›
Chain: X
Length: 5 nucleotides
Theoretical weight: 1.6 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Not provided

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P212121
Unit cell:
a: 67.633Å b: 85.907Å c: 107.469Å
α: 90° β: 90° γ: 90°
R R work R free
0.191 0.189 0.225
Expression systems:
  • Escherichia coli
  • Not provided