3upu

X-ray diffraction
3.3Å resolution

Crystal structure of the T4 Phage SF1B Helicase Dda

Released:

Function and Biology Details

Reaction catalysed:
ATP + H(2)O = ADP + phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-117002 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
ATP-dependent DNA helicase dda Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 459 amino acids
Theoretical weight: 52.5 KDa
Source organism: Escherichia virus T4
Expression system: Escherichia coli
UniProt:
  • Canonical: P32270 (Residues: 1-439; Coverage: 100%)
Gene names: dda, sud
Sequence domains:
Structure domains:
5'-D(*TP*TP*TP*TP*TP*TP*TP*T)-3' Chains: D, E, F
Molecule details ›
Chains: D, E, F
Length: 8 nucleotides
Theoretical weight: 2.39 KDa
Source organism: Tequatrovirus T4
Expression system: Not provided

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID, APS BEAMLINE 22-BM
Spacegroup: C2
Unit cell:
a: 225.536Å b: 107.253Å c: 85.475Å
α: 90° β: 94.128° γ: 90°
R-values:
R R work R free
0.206 0.204 0.258
Expression systems:
  • Escherichia coli
  • Not provided