› 2qxy

X-ray diffraction
1.95Å resolution

Crystal structure of a response regulator from Thermotoga maritima

Released:
DOI: 10.2210/pdb2qxy/pdb
PDB entry 2qxy coloured by chain, front view.
PDB entry 2qxy coloured by chain, side view.
PDB entry 2qxy coloured by chain, top view.
Source organism: Thermotoga maritima
Entry authors: Palani K, Kumaran D, Burley SK, Swaminathan S, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo dimer
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-194637 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Response regulator Chains: A, B
Molecule details ›
Chains: A, B
Length: 142 amino acids
Theoretical weight: 16.58 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9WZU6 (Residues: 2-132; Coverage: 52%)
Gene name: TM_0842
Sequence domains: Response regulator receiver domain
Structure domains: Rossmann fold

Ligands and Environments

1 bound ligand:
Ligand SO4 1 x SO4
1 modified residue:
Ligand MSE 4 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P212121
Unit cell:
a: 42.72Å b: 71.874Å c: 94.438Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.219 0.219 0.24
Expression system: Escherichia coli BL21(DE3)

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