Crystal structure of glutathione transferase Omega 3S from Trametes versicolor in complex with the glutathione adduct of phenethyl-isothiocyanate

The structure of Trametes versicolor glutathione transferase Omega 3S bound to its conjugation product glutathionyl-phenethylthiocarbamate reveals plasticity of its active site.

MSSTKQITLYTATFSPYAHRVRIALEEAGAEYTTYDVDILRNMPDWFPLVNPLKKIPAMTFGGPEVPPDQPSPESAKIAE
SLAMLEFIADLFPDAKLLPTDPVLRARARTFMALYENYVNGQFRDVWFLGTPADPLLQALEMLQGALPPDGGFAAGEWSI
ADAAVIPFLARMFPYLEAGLGLYSKEDGVKMRKAMASERFARIRQYVRDCRARPSFANTWAGDAEQVEAAKTVPMLRVGE
HHHHHH

30% (w/v) PEG 400, 0.2 M calcium acetate in 0.1 M pH 4.5 acetate buffer (final pH of 5.8)