1fyk

X-ray diffraction
2.5Å resolution

SERENDIPITOUS CRYSTAL STRUCTURE CONTAINING THE HEAT SHOCK TRANSCRIPTION FACTOR'S DNA BINDING DOMAIN AND COGNATE DNA THAT IS TRANSLATIONALLY DISORDERED

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-113828 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Heat shock transcription factor Chain: A
Molecule details ›
Chain: A
Length: 92 amino acids
Theoretical weight: 11.09 KDa
Source organism: Kluyveromyces lactis
Expression system: Escherichia coli
UniProt:
  • Canonical: P22121 (Residues: 193-284; Coverage: 14%)
Gene names: HSF, KLLA0D03322g
Sequence domains: HSF-type DNA-binding
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
HSE DNA-PHOSPHATE BACKBONE Chain: C
Molecule details ›
Chain: C
Length: 4 nucleotides
Theoretical weight: 739 Da
Source organism: Kluyveromyces lactis
Expression system: Not provided

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL1-5
Spacegroup: C2
Unit cell:
a: 103.15Å b: 32.99Å c: 42.57Å
α: 90° β: 109.9° γ: 90°
R-values:
R R work R free
0.209 0.209 0.278
Expression systems:
  • Escherichia coli
  • Not provided