Skip to main content
. 2007 Nov 26;190(3):1108–1117. doi: 10.1128/JB.01522-07

TABLE 4.

Kinetic constants of Ndx2 mutantsa

Mutation Substrate Km (μM) kcat (s−1) kcat/Km (M−1 s−1)
None (wild type) ADPR 520 1.4 2,700
FAD 300 2.5 8,300
E136Q ADPR 660 0.12 180
FAD 400 0.27 680
E90Q ADPR 820 0.00022 0.27
FAD 640 0.00067 1.0
E94Q ADPR 1000 0.00014 0.14
FAD 790 0.00017 0.21
a

Assays were done as described in Materials and Methods.