translate English to French: The Km of phosphatase 2A2 was about 16 μM and for phosphatase 2A1 it was about 20 μM, using liver substrate in the absence of any stimulators.
Utilisant le substrat hépatique en absence de tout activateur, le Km de la phosphatase 2A2 est d'environ 16 μM et celui de la phosphatase 2A1, d'environ 20 μM.