PDBe 1svo

X-ray diffraction
2.6Å resolution

Structure of SV40 large T antigen helicase domain


Function and Biology Details

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Large T antigen Chains: A, B
Molecule details ›
Chains: A, B
Length: 377 amino acids
Theoretical weight: 43.54 KDa
Source organism: Macaca mulatta polyomavirus 1
Expression system: Escherichia coli
  • Canonical: P03070 (Residues: 251-627; Coverage: 53%)
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P321
Unit cell:
a: 120.444Å b: 120.444Å c: 131.767Å
α: 90° β: 90° γ: 120°
R R work R free
0.232 0.232 0.271
Expression system: Escherichia coli