PDBe 4yqu

X-ray diffraction
1.94Å resolution

Glutathione S-transferase Omega 1 bound to covalent inhibitor C1-31


Function and Biology Details

Reactions catalysed:
2 glutathione + dehydroascorbate = glutathione disulfide + ascorbate
RX + glutathione = HX + R-S-glutathione
Methylarsonate + 2 glutathione = methylarsonite + glutathione disulfide + H(2)O
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Glutathione S-transferase omega-1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 244 amino acids
Theoretical weight: 27.87 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P78417 (Residues: 1-241; Coverage: 100%)
Gene names: GSTO1, GSTTLP28
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: P21
Unit cell:
a: 62.645Å b: 72.588Å c: 65.31Å
α: 90° β: 112.69° γ: 90°
R R work R free
0.205 0.203 0.24
Expression system: Escherichia coli