Figure 6

The formation of Cys140, Cys202 and Cys245-centered disulfide networks in PP-1α upon oxidative stress is proposed. (A) Cys140/Cys245/Cys202-centered cysteine-networks (up to 14 Å) being S-glutathionylation targets. (B) Connection of S-glutathionylation and formation of transient disulfides in rPP-1α (red arrows). (C) Summary of distances (in Å) of identified disulfides.