› 3df8

X-ray diffraction
1.65Å resolution

The crystal structure of a possible HxlR family transcriptional factor from Thermoplasma volcanium GSS1

Released:
DOI: 10.2210/pdb3df8/pdb
PDB entry 3df8 coloured by chain, front view.
PDB entry 3df8 coloured by chain, side view.
PDB entry 3df8 coloured by chain, top view.
Source organism: Thermoplasma volcanium
Entry authors: Tan K, Tesar C, Moy S, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-188866 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH hxlR-type domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 111 amino acids
Theoretical weight: 12.52 KDa
Source organism: Thermoplasma volcanium
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q978X0 (Residues: 10-117; Coverage: 92%)
Gene name: TVG1336486
Sequence domains: HxlR-like helix-turn-helix
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

Ligands and Environments

1 bound ligand:
Ligand ACT 2 x ACT
1 modified residue:
Ligand MSE 4 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2
Unit cell:
a: 65.739Å b: 54.755Å c: 40.687Å
α: 90° β: 125.31° γ: 90°
R-values:
R R work R free
0.173 0.171 0.211
Expression system: Escherichia coli BL21

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