X-ray diffraction
2.1Å resolution

Arabidopsis thaliana Prephenate Aminotransferase mutant- K306A


Function and Biology Details

Reactions catalysed:
L-arogenate + oxaloacetate = prephenate + L-aspartate

L-aspartate + 2-oxoglutarate = oxaloacetate + L-glutamate
L-arogenate + 2-oxoglutarate = prephenate + L-glutamate

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Bifunctional aspartate aminotransferase and glutamate/aspartate-prephenate aminotransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 475 amino acids
Theoretical weight: 51 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
  • Canonical: Q9SIE1 (Residues: 1-475; Coverage: 100%)
Gene names: AAT, At2g22250, MEE17, PAT, T26C19.9
Sequence domains: Aminotransferase class I and II
Structure domains:

Ligands and Environments

Cofactor: Ligand PMP 2 x PMP
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P1
Unit cell:
a: 51.813Å b: 60.117Å c: 66.734Å
α: 74.78° β: 76.7° γ: 83.92°
R R work R free
0.156 0.153 0.212
Expression system: Escherichia coli