Fig. 2.

‘Landscape’ of H₂O₂ across the cell.

Generalized overview of estimated concentrations of H₂O₂ in subcellular spaces. Color code is from light blue (80 pM) to blue-green (4 nM), green (ca. 20 nM), brown (300 nM), and red (700 nM) (see Table 1 for References).