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Crystal structure of AimR from Bacillus phage SPbeta in complex with its signalling peptide

X-ray diffraction
1.922Å resolution
PDB entry 5y24 coloured by chain, front view.
PDB entry 5y24 coloured by chain, side view.
PDB entry 5y24 coloured by chain, top view.
Source organism: Spbetavirus SPbeta
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1
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Assembly Name: AimR transcriptional regulator and peptide
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Multimeric state: hetero dimer
Accessible surface area: 16865.85 Å2
Buried surface area: 1558.07 Å2
Dissociation area: 587.48 Å2
Dissociation energy (ΔGdiss): 6.59 kcal/mol
Dissociation entropy (TΔSdiss): 5.96 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-130262
Assembly 2 (preferred)
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Assembly Name: AimR transcriptional regulator and peptide
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Multimeric state: hetero dimer
Accessible surface area: 16742.38 Å2
Buried surface area: 1456.52 Å2
Dissociation area: 589.16 Å2
Dissociation energy (ΔGdiss): 8.46 kcal/mol
Dissociation entropy (TΔSdiss): 5.95 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-130262

Macromolecules

AimR transcriptional regulator
Chains: A, B
Length: 396 amino acids
Theoretical weight: 47.42 KDa
Source organism: Spbetavirus SPbeta
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O64094 (Residues: 1-386; Coverage: 100%)
Gene names: aimR, yopK
Pfam: AimR transcriptional regulator-like
InterPro: AimR transcriptional regulator-like
AimR transcriptional regulator in PDB entry 5y24, assembly 2, front view.
AimR transcriptional regulator in PDB entry 5y24, assembly 2, side view.
AimR transcriptional regulator in PDB entry 5y24, assembly 2, top view.
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GLY-MET-PRO-ARG-GLY-ALA
Chains: C, D
Length: 6 amino acids
Theoretical weight: 589 Da
Source organism: Spbetavirus SPbeta
Expression system: Not provided
GLY-MET-PRO-ARG-GLY-ALA in PDB entry 5y24, assembly 2, front view.
GLY-MET-PRO-ARG-GLY-ALA in PDB entry 5y24, assembly 2, side view.
GLY-MET-PRO-ARG-GLY-ALA in PDB entry 5y24, assembly 2, top view.
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