› 3sxk

X-ray diffraction
1.63Å resolution

Zn2+-bound FCD domain of TM0439, a putative transcriptional regulator

Released:
DOI: 10.2210/pdb3sxk/pdb
PDB entry 3sxk coloured by chain, front view.
PDB entry 3sxk coloured by chain, side view.
PDB entry 3sxk coloured by chain, top view.
Source organism: Thermotoga maritima
Entry authors: Czelakowski GP, Derewenda ZS, Integrated Center for Structure and Function Innovation (ISFI)

Function and Biology Details

Biochemical function:
  • not assigned
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-194536 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH gntR-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 140 amino acids
Theoretical weight: 16.46 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9WYS0 (Residues: 75-211; Coverage: 64%)
Gene name: TM_0439
Sequence domains: FCD domain
Structure domains: GntR ligand-binding domain-like

Ligands and Environments

3 bound ligands:
Ligand SO4 2 x SO4
Ligand ZN 4 x ZN
Ligand BCT 2 x BCT
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.1
Spacegroup: P21
Unit cell:
a: 45.697Å b: 79.977Å c: 49.223Å
α: 90° β: 115.08° γ: 90°
R-values:
R R work R free
0.171 0.17 0.192
Expression system: Escherichia coli BL21(DE3)

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