3e2z

X-ray diffraction
2.81Å resolution

Crystal structure of mouse kynurenine aminotransferase III in complex with kynurenine

Released:

Function and Biology Details

Reactions catalysed:
(1a) L-kynurenine + glyoxylate = 4-(2-aminophenyl)-2,4-dioxobutanoate + glycine 
(1a) L-kynurenine + 2-oxoglutarate = 4-(2-aminophenyl)-2,4-dioxobutanoate + L-glutamate
(1a) an L-cysteine-S-conjugate = a thiol + 2-aminoporp-2-enoate
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-180752 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Kynurenine--oxoglutarate transaminase 3 Chain: A
Molecule details ›
Chain: A
Length: 410 amino acids
Theoretical weight: 46.45 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q71RI9 (Residues: 42-451; Coverage: 90%)
Gene names: Ccbl2, Kat3, Kyat3
Sequence domains: Aminotransferase class I and II
Structure domains:
Kynurenine--oxoglutarate transaminase 3 Chain: B
Molecule details ›
Chain: B
Length: 410 amino acids
Theoretical weight: 46.22 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q71RI9 (Residues: 42-451; Coverage: 90%)
Gene names: Ccbl2, Kat3, Kyat3
Sequence domains: Aminotransferase class I and II
Structure domains:

Ligands and Environments


Cofactor: Ligand PMP 1 x PMP
2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P43212
Unit cell:
a: 91.49Å b: 91.49Å c: 233.501Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.194 0.192 0.237
Expression system: Spodoptera frugiperda