X-ray diffraction
2.4Å resolution

Crystal structure of DDX53 DEAD-box domain


Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Probable ATP-dependent RNA helicase DDX53 Chains: A, B
Molecule details ›
Chains: A, B
Length: 228 amino acids
Theoretical weight: 25.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q86TM3 (Residues: 204-430; Coverage: 36%)
Gene names: CAGE, DDX53
Sequence domains: DEAD/DEAH box helicase
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P21
Unit cell:
a: 56.442Å b: 61.251Å c: 65.787Å
α: 90° β: 96.36° γ: 90°
R R work R free
0.204 0.201 0.251
Expression system: Escherichia coli