2.2 SQUARE inside PROTEIN p0 inside PROTEIN p1 inside SIMPLE_MOLECULE Glutathione inside SIMPLE_MOLECULE Oxidized_space_glutathione inside SIMPLE_MOLECULE L_minus_Cysteine inside SIMPLE_MOLECULE L_minus_Glutamate inside SIMPLE_MOLECULE _gamma__minus_L_minus_Glutamyl_minus_L_minus_cysteine STATE_TRANSITION L_minus_Glutamate _gamma__minus_L_minus_Glutamyl_minus_L_minus_cysteine c3 c2 c4 STATE_TRANSITION Glutathione Oxidized_space_glutathione c0 c1