› 1svm

X-ray diffraction
1.94Å resolution

Co-crystal structure of SV40 large T antigen helicase domain and ATP

Released:
DOI: 10.2210/pdb1svm/pdb
PDB entry 1svm coloured by chain, front view.
PDB entry 1svm coloured by chain, side view.
PDB entry 1svm coloured by chain, top view.
Source organism: Macaca mulatta polyomavirus 1
Primary publication:
Mechanisms of conformational change for a replicative hexameric helicase of SV40 large tumor antigen.
Gai D, Zhao R, Li D, Finkielstein CV, Chen XS
Cell 119 47-60 (2004)
PMID: 15454080

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-136540 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Large T antigen Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 377 amino acids
Theoretical weight: 43.54 KDa
Source organism: Macaca mulatta polyomavirus 1
Expression system: Escherichia coli
UniProt:
  • Canonical: P03070 (Residues: 251-627; Coverage: 53%)
Sequence domains: Polyomavirus large T antigen C-terminus
Structure domains:

Ligands and Environments

3 bound ligands:
Ligand ZN 6 x ZN
Ligand MG 6 x MG
Ligand ATP 6 x ATP
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21
Unit cell:
a: 125.021Å b: 89.377Å c: 148.506Å
α: 90° β: 91.31° γ: 90°
R-values:
R R work R free
0.218 0.218 0.241
Expression system: Escherichia coli

Quick links

Citations

51 review citations

Molecular chaperones and protein quality control.
Bukau et al. (2006)
50 more

29 mentions without citation

Understanding helicases as a means of virus control.
Frick et al. (2006)
28 more