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STRUCTURE OF DNA HELICASE MUTANT WITH ADPNP

X-ray diffraction
2.5Å resolution
PDB entry 1qhg coloured by chain, front view.
PDB entry 1qhg coloured by chain, side view.
PDB entry 1qhg coloured by chain, top view.
Source organism: Geobacillus stearothermophilus
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: ATP-dependent DNA helicase PcrA
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Multimeric state: monomeric
Accessible surface area: 27754.18 Å2
Buried surface area: 893.75 Å2
Dissociation area: 406.9 Å2
Dissociation energy (ΔGdiss): 1.45 kcal/mol
Dissociation entropy (TΔSdiss): 5.48 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-157445

Macromolecules

ATP-dependent DNA helicase PcrA
Chain: A
Length: 724 amino acids
Theoretical weight: 82.6 KDa
Source organism: Geobacillus stearothermophilus
Expression system: Escherichia coli
UniProt:
  • Canonical: P56255 (Residues: 1-724; Coverage: 100%)
Gene name: pcrA
Pfam:
InterPro:
CATH:
SCOP: Tandem AAA-ATPase domain
ATP-dependent DNA helicase PcrA in PDB entry 1qhg, assembly 1, front view.
ATP-dependent DNA helicase PcrA in PDB entry 1qhg, assembly 1, side view.
ATP-dependent DNA helicase PcrA in PDB entry 1qhg, assembly 1, top view.
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