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. 2003 Jun 20;100(14):8601–8606. doi: 10.1073/pnas.1430550100

Table 2. Kinetic properties of cinnamic acid-activating At4CL2 variants.

Cinnamic acid
Caffeic acid
At4CL2 variant Km, μM Vmax, nkat/mg Km, μM Vmax, nkat/mg
WT 6,642±972 203±23 22±5 236±30
K320L 1,010±135 150±19 62±11 188±27
M293F + K320F 930±83 113±33 361±188 90±20
PL (M293P + K320L) 286±13 190±44 41±8 267±91
PL + N256A 163±37 145±21 166±12 93±17