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. 2015 May 13;10(5):e0126577. doi: 10.1371/journal.pone.0126577

Table 2. Enzyme activity of NA a .

K m (μM) V max
SW731 198.7±22.3 2.49±0.32
SW731+carrageenan 237.9±52.1 2.08±0.24

aA standardized virus dose of 105 PFU/ml was used for the NA kinetics assay.

The enzyme kinetics data (± standard deviation) were fit to the Michaelis-Menten equation by nonlinear regression to determine the Michaelis constant (K m) and maximum velocity (V max) of substrate conversion (in fluorescent units per second).