From: Using in vivo oxidation status of one- and two-component redox relays to determine H2O2 levels linked to signaling and toxicity
[Protein] (μM)a
Second-order rate constant (M− 1 s− 1)
Pseudo-first-order rate constant (s− 1)
Catalase
0.13
4.6 × 107 b
kcat = 6.0
Tpx1
3.5
1.0 × 107 c
k tpx1 = 35
Overall
kcatabolism = 41