2xgc

X-ray diffraction
2.15Å resolution

Crystal structure of a designed heterodimeric variant T-A(I)B of the tetracycline repressor

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-137865 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Tetracycline repressor protein class B from transposon Tn10; Tetracycline repressor protein class D Chain: A
Molecule details ›
Chain: A
Length: 208 amino acids
Theoretical weight: 23.49 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ACT4 (Residues: 1-1, 57-192, 195-208; Coverage: 69%)
  • Canonical: P04483 (Residues: 2-56, 193-194; Coverage: 28%)
Gene name: tetR
Sequence domains:
Structure domains:
Tetracycline repressor protein class B from transposon Tn10; Tetracycline repressor protein class D Chain: B
Molecule details ›
Chain: B
Length: 211 amino acids
Theoretical weight: 23.71 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ACT4 (Residues: 1-1, 57-208; Coverage: 70%)
  • Canonical: P04483 (Residues: 2-56; Coverage: 27%)
Gene name: tetR
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: I4122
Unit cell:
a: 69.152Å b: 69.152Å c: 183.372Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.221 0.217 0.271
Expression system: Escherichia coli