› 4kbf

X-ray diffraction
1.9Å resolution

two different open conformations of the helicase core of the RNA helicase Hera

Released:
DOI: 10.2210/pdb4kbf/pdb
PDB entry 4kbf coloured by chain, front view.
PDB entry 4kbf coloured by chain, side view.
PDB entry 4kbf coloured by chain, top view.
Source organism: Thermus thermophilus HB27
Primary publication:
Rearranging RNA structures at 75°C? Toward the molecular mechanism and physiological function of the Thermus thermophilus DEAD-box helicase Hera.
Klostermeier D
Biopolymers 99 1137-46 (2013)
PMID: 23765433

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
monomeric
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-180806 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Heat resistant RNA dependent ATPase Chains: A, B
Molecule details ›
Chains: A, B
Length: 365 amino acids
Theoretical weight: 40 KDa
Source organism: Thermus thermophilus HB27
Expression system: Escherichia coli
UniProt:
  • Canonical: Q72GF3 (Residues: 8-372; Coverage: 71%)
Gene name: TT_C1895
Sequence domains:
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

3 bound ligands:
Ligand AMP 1 x AMP
Ligand NA 2 x NA
Ligand SO4 1 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P43212
Unit cell:
a: 119.645Å b: 119.645Å c: 107.095Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.192 0.19 0.218
Expression system: Escherichia coli

Quick links

Citations

1 review citation

RNA helicase proteins as chaperones and remodelers.
Jarmoskaite et al. (2014)
5 other articles

2 mentions without citation

Structural Basis of Human Helicase DDX21 in RNA Binding, Unwinding, and Antiviral Signal Activation.
Chen et al. (2020)
1 more