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The three-dimensional structure of TrmB, a global transcriptional regulator of the hyperthermophilic archaeon Pyrococcus furiosus in complex with sucrose

X-ray diffraction
2.992Å resolution
PDB entry 3qph coloured by chain, front view.
PDB entry 3qph coloured by chain, side view.
PDB entry 3qph coloured by chain, top view.
Source organism: Pyrococcus furiosus
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: HTH-type sugar sensing transcriptional regulator TrmB
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Multimeric state: homo dimer
Accessible surface area: 32894.0 Å2
Buried surface area: 12954.89 Å2
Dissociation area: 3,140.96 Å2
Dissociation energy (ΔGdiss): 26.02 kcal/mol
Dissociation entropy (TΔSdiss): 14.84 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-190820

Macromolecules

HTH-type sugar sensing transcriptional regulator TrmB
Chain: A
Length: 342 amino acids
Theoretical weight: 39.34 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9HGZ9 (Residues: 1-338; Coverage: 100%)
Gene names: PF1743, trmB
Pfam:
InterPro:
CATH:
HTH-type sugar sensing transcriptional regulator TrmB in PDB entry 3qph, assembly 1, front view.
HTH-type sugar sensing transcriptional regulator TrmB in PDB entry 3qph, assembly 1, side view.
HTH-type sugar sensing transcriptional regulator TrmB in PDB entry 3qph, assembly 1, top view.
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