Table 4.
Substrate | Km (Mm) | Kcat a (s−1) | Kcat/Km (s−1·mM−1) |
---|---|---|---|
pPNGal | 0.99 | 9.17 | 9.3 |
Raffinose | 3.7 | 6.4 | 1.73 |
Stachyose | 3.5 | 6.7 | 1.9 |
a Turnover number (Kcat) is defined here as the number of mmoles of product s−1·mmol−1 of α-galactosidase, given by the relationship Vmax/[E].