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. 1998 Feb;180(4):822–830. doi: 10.1128/jb.180.4.822-830.1998

TABLE 4.

Aldehyde activities of the three ALDHs with different aldehydes as the substrate

Enzyme Activity (%)a
Propionaldehyde dl-Glyceraldehyde Benzaldehyde
ALDH1 100 12 0.9
ALDH5 100 33 2.4
ALDH2 100 68 36
a

The activity of each ALDH with propionaldehyde as the substrate (Table 3) was assigned as 100%. The activities obtained with dl-glyceraldehyde and benzaldehyde were compared to that assayed with propionaldehyde for each ALDH. The assays were performed at Vmax conditions.