Skip to main content
. 2006 Feb;72(2):1588–1594. doi: 10.1128/AEM.72.2.1588-1594.2006

TABLE 1.

Kinetic parameters of d-AATs

Enzyme wXXcXik Mean ± SD
kcat/Km,d-Ala (mM · s)−1 kcat/Km,α-KG (mM · s)−1
kcat (s−1) Km,d-Ala (mM) Km,α-KG (mM)
YM1 140-LRcD-143 134 ± 2 2.5 ± 0.2 3.1 ± 0.1 52 42
SK1 144-EYcY-147 47 ± 2 2.5 ± 0.1 0.71 ± 0.1 18 63
KLS1 144-EYcY-147 55 ± 3 1.4 ± 0.2 0.26 ± 0.1 38 203
Mutant SK1 144-LRcD-147 79 ± 6 3.4 ± 0.3 1.4 ± 0.3 22 53