4j00

X-ray diffraction
3Å resolution

Crystal Structure of Fischerella Transcription Factor HetR complexed with 24mer DNA target

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-117669 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
HetR C-terminal Hood domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 302 amino acids
Theoretical weight: 35.23 KDa
Source organism: Fischerella thermalis PCC 7521
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q2ACK9 (Residues: 1-247; Coverage: 100%)
Gene name: hetR
Sequence domains:
Structure domains:
DNA (5'-D(*TP*GP*GP*TP*GP*AP*GP*GP*GP*GP*TP*TP*AP*AP*AP*CP*CP*CP*CP*TP*CP*AP*CP*C)-3') Chains: C, D
Molecule details ›
Chains: C, D
Length: 24 nucleotides
Theoretical weight: 7.37 KDa
Source organism: Anabaena
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P31
Unit cell:
a: 92.93Å b: 92.93Å c: 97.652Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.177 0.168 0.205
Expression systems:
  • Escherichia coli BL21
  • Not provided