› 2eo5

X-ray diffraction
1.9Å resolution

Crystal structure of 4-aminobutyrate aminotransferase from Sulfolobus tokodaii strain7

Released:
DOI: 10.2210/pdb2eo5/pdb
PDB entry 2eo5 coloured by chain, front view.
PDB entry 2eo5 coloured by chain, side view.
PDB entry 2eo5 coloured by chain, top view.
Source organism: Sulfurisphaera tokodaii str. 7
Entry authors: Mizutani H, Kunishima N, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

Reaction catalysed: 
4-aminobutanoate + 2-oxoglutarate = succinate semialdehyde + L-glutamate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-123812 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
4-aminobutyrate aminotransferase Chain: A
Molecule details ›
Chain: A
Length: 419 amino acids
Theoretical weight: 46.27 KDa
Source organism: Sulfurisphaera tokodaii str. 7
Expression system: Escherichia coli
UniProt:
  • Canonical: F9VN77 (Residues: 1-419; Coverage: 100%)
Gene names: ST0735, STK_07350, gabT
Sequence domains: Aminotransferase class-III
Structure domains:

Ligands and Environments


Cofactor: Ligand PLP 1 x PLP
2 bound ligands:
Ligand SO4 1 x SO4
Ligand EDO 1 x EDO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: I222
Unit cell:
a: 88.046Å b: 91.17Å c: 132.463Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.182 0.181 0.209
Expression system: Escherichia coli

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