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TetR in complex with the TetR-binding RNA-aptamer K1

X-ray diffraction
2.695Å resolution
PDB entry 6sy4 coloured by chain, front view.
PDB entry 6sy4 coloured by chain, side view.
PDB entry 6sy4 coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
hetero trimer (preferred)
Entry contents: 1 distinct polypeptide molecule
1 distinct RNA molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Tetracycline repressor protein class B from transposon Tn10 and RNA
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Multimeric state: hetero trimer
Accessible surface area: 23630.75 Å2
Buried surface area: 4927.03 Å2
Dissociation area: 848.33 Å2
Dissociation energy (ΔGdiss): 5.84 kcal/mol
Dissociation entropy (TΔSdiss): 11.61 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-137873

Macromolecules

Tetracycline repressor protein class B from transposon Tn10
Chains: A, B
Length: 208 amino acids
Theoretical weight: 23.53 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P04483 (Residues: 1-203; Coverage: 98%)
Gene name: tetR
Pfam:
InterPro:
Tetracycline repressor protein class B from transposon Tn10 in PDB entry 6sy4, assembly 1, front view.
Tetracycline repressor protein class B from transposon Tn10 in PDB entry 6sy4, assembly 1, side view.
Tetracycline repressor protein class B from transposon Tn10 in PDB entry 6sy4, assembly 1, top view.
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RNA chain C
Name: TetR-binding aptamer K1 (43-MER)
Representative chains: C
Source organism: Escherichia coli [562]
Expression system: Not provided
Length: 43 nucleotides
Theoretical weight: 14.04 KDa
TetR-binding aptamer K1 (43-MER) in PDB entry 6sy4, assembly 1, front view.
TetR-binding aptamer K1 (43-MER) in PDB entry 6sy4, assembly 1, side view.
TetR-binding aptamer K1 (43-MER) in PDB entry 6sy4, assembly 1, top view.
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