Table 2 Enzyme activity of lipase, α-AF and pullulanase. aclMagR-enzymes were purified by iron beads. bclMagR was removed from enzymes. cFree enzymes were purified by Ni-NTA affinity chromatography. dHis tag was removed from free enzymes.

From: Novel Application of Magnetic Protein: Convenient One-Step Purification and Immobilization of Proteins

Sample

Specific activity (U/mg)

Purification (fold)

Crude extract

187.2 ± 14.5

1.0

clMagR-lipasea

1795.3 ± 172.8

9.6

Lipaseb

1589.1 ± 141.7

8.5

Free lipasec

1309.3 ± 112.6

7.0

Free lipased

1487.5 ± 153.8

7.9

Crude extract

15.0 ± 2.2

1.00

clMagR-α-AFa

139.5 ± 17.4

9.3

α-AFb

118.5 ± 14.3

7.9

Free α-AFc

87.0 ± 9.7

5.8

Free α-AFd

89.2 ± 8.5

5.9

Crude extract

2.85 ± 0.57

1.00

clMagR-pullulanasea

23.09 ± 3.85

8.10

Pullulanaseb

18.47 ± 3.29

6.48

Free pullulanasec

12.20 ± 2.44

4.28

Free pullulanased

12.31 ± 2.23

4.32