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CRYSTAL STRUCTURE OF 3-AMINO-5-HYDROXYBENZOIC ACID (AHBA) SYNTHASE

X-ray diffraction
2Å resolution
PDB entry 1b9h coloured by chain, front view.
PDB entry 1b9h coloured by chain, side view.
PDB entry 1b9h coloured by chain, top view.
Source organism: Amycolatopsis mediterranei
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: 3-amino-5-hydroxybenzoate synthase
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Multimeric state: homo dimer
Accessible surface area: 25795.65 Å2
Buried surface area: 6860.86 Å2
Dissociation area: 2,948.67 Å2
Dissociation energy (ΔGdiss): 30.3 kcal/mol
Dissociation entropy (TΔSdiss): 14.54 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-129392

Macromolecules

3-amino-5-hydroxybenzoate synthase
Chain: A
Length: 388 amino acids
Theoretical weight: 42.26 KDa
Source organism: Amycolatopsis mediterranei
Expression system: Escherichia coli
UniProt:
  • Canonical: O52552 (Residues: 1-388; Coverage: 100%)
Gene names: AMES_0625, RAM_03205, rifD, rifK
Pfam: DegT/DnrJ/EryC1/StrS aminotransferase family
InterPro:
CATH:
SCOP: GABA-aminotransferase-like
3-amino-5-hydroxybenzoate synthase in PDB entry 1b9h, assembly 1, front view.
3-amino-5-hydroxybenzoate synthase in PDB entry 1b9h, assembly 1, side view.
3-amino-5-hydroxybenzoate synthase in PDB entry 1b9h, assembly 1, top view.
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