2pkg

X-ray diffraction
3.3Å resolution

Structure of a complex between the A subunit of protein phosphatase 2A and the small t antigen of SV40

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-136551 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform Chains: A, B
Molecule details ›
Chains: A, B
Length: 580 amino acids
Theoretical weight: 64.54 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P30153 (Residues: 10-589; Coverage: 99%)
Gene name: PPP2R1A
Sequence domains: HEAT repeat
Structure domains: Leucine-rich Repeat Variant
Small t antigen Chains: C, D
Molecule details ›
Chains: C, D
Length: 88 amino acids
Theoretical weight: 10.46 KDa
Source organism: Macaca mulatta polyomavirus 1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P03081 (Residues: 87-174; Coverage: 51%)
Sequence domains: T-antigen specific domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: C2221
Unit cell:
a: 137.7Å b: 147.79Å c: 209.65Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.247 0.247 0.312
Expression system: Escherichia coli BL21(DE3)