Table 2.
Kinetic parameters of mRmMan5A and RmMan5A (mean ± SD)
Procedure | V max (μmol min‒1 mg−1) | K m (mg mL‒1) | k cat (s‒1) | k cat/K m (mg s‒1 mL‒1) |
---|---|---|---|---|
LBG | ||||
mRmMan5A | 10,154.9 ± 293 | 3.27 ± 0.22 | 7446.9 | 2277.3 |
RmMan5A | 3192.5 ± 75 | 3.37 ± 0.18 | 2341.2 | 694.7 |
Guar gum | ||||
mRmMan5A | 1516.3 ± 47 | 7.06 ± 0.42 | 1112.0 | 157.5 |
RmMan5A | 402.9 ± 11 | 7.12 ± 0.39 | 294.8 | 41.4 |
Enzymatic reactions were carried out in 50 mmol L−1 McIlvaine buffer (pH 4.5) at 65 °C for 5 min using LBG or guar gum as substrate