S-Glutathiolation analysis of yeast 20S proteasome by two-dimensional electrophoresis - Silva, Gustavo Monteiro; Netto, Luis Eduardo Soares; Demasi, Marcos Angelo Almeida; Sogayar, Mari Cleide; Klitzke, Clécio Fernando; Demasi, Marilene (Annual Meeting of the Brazilian Biochemistry and Molecular Biology Society, 2009)