Table 1.
Purification of WT and Y172A CgAM enzymes
CgAM enzyme | Total protein (mg) | Total activitya (mU) | Sp acta (mU/mg) | Purification (fold) | Yield (%) |
---|---|---|---|---|---|
WT | |||||
Crude extract | 305 | 360 | 1.18 | 1.0 | 100 |
DEAE FF preparation | 13.7 | 105 | 7.66 | 6.5 | 29.1 |
Phenyl FF preparation | 2.24 | 33.3 | 14.9 | 13 | 9.25 |
Y172A | |||||
Crude extract | 506 | 314 | 0.62 | 1.0 | 100 |
DEAE FF preparation | 17.5 | 37.0 | 2.11 | 3.4 | 11.8 |
Phenyl FF preparation | 0.99 | 13.2 | 13.3 | 21 | 4.20 |
Assayed by starch transglycosylation activity.