The researchers continued to characterize the new phosphatase. When the total concentration of phosphatase [Et] is at 2 nM, and the concentration of substrate, phosphotyrosine, is at 30 µM, then V0 = 600 nM s-1
What is the Km for this phosphatase?
A. 1 µm
B. 10 µm
C. 100 µm
D. 1 µm s-1
E. 1 µm s-1
B
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