X-ray diffraction
1.9Å resolution

Crystal structure of hypothetical ATP-dependent RNA helicase from Sulfolobus tokodaii

Source organism: Sulfurisphaera tokodaii
Entry authors: Nakagawa N, Kusano S, Shirouzu M, Chen L, Fu Z-Q, Chrzas J, Wang B-C, Yokoyama S, Kuramitsu S, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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
DEAD-box ATP-dependent RNA helicase Chain: A
Molecule details ›
Chain: A
Length: 337 amino acids
Theoretical weight: 38.4 KDa
Source organism: Sulfurisphaera tokodaii
Expression system: Escherichia coli
  • Canonical: Q96XQ7 (Residues: 1-337; Coverage: 100%)
Gene names: ST2459, STK_24590
Sequence domains:
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-BM
Spacegroup: P212121
Unit cell:
a: 44.985Å b: 87.216Å c: 108.258Å
α: 90° β: 90° γ: 90°
R R work R free
0.205 0.205 0.229
Expression system: Escherichia coli