4u7d

X-ray diffraction
3.4Å resolution

Structure of human RECQ-like helicase in complex with an oligonucleotide

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-118183 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
ATP-dependent DNA helicase Q1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 591 amino acids
Theoretical weight: 67.41 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P46063 (Residues: 48-616; Coverage: 88%)
Gene names: RECQ1, RECQL, RECQL1
Sequence domains:
Structure domains:
DNA oligonucleotide Chains: P, Q, R, S
Molecule details ›
Chains: P, Q, R, S
Length: 20 nucleotides
Theoretical weight: 6.04 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: P21
Unit cell:
a: 55.38Å b: 138.22Å c: 207.581Å
α: 90° β: 90.02° γ: 90°
R-values:
R R work R free
0.214 0.205 0.249
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided