Skip to main content
. Author manuscript; available in PMC: 2010 Apr 8.
Published in final edited form as: J Am Chem Soc. 2009 Apr 8;131(13):4657–4663. doi: 10.1021/ja807963e

Table 1.

Kinetic Parameters for GAOX at 10 °C, pH 7.0 with Protio- and Deuterio- Substrates.

Parameter H2-OMeGal D2-OMeGal
kcat, s−1 1165 (5) 49 (2)
kcat/Km(OMeGal), M−1, s−1 8.3 (0.6) × 103 2.6 (0.4) × 102
kcat/Km(O2), M−1, s−1 2.6 (0.3) × 106 1.5 (0.2) × 106
Km(OMeGal), mM 1.4 (0.1) × 102 1.9 (0.2) × 102
Km(O2), μM 4.4 (0.3) × 102 77 (10)a
a

Value was calculated from kcat and kcat/Km(O2).