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Table 2 Purification of LipBP by Ni-NTA affinity chromatography

From: In vivo functional expression of an extracellular Ca2+-independent Bacillus pumilus lipase in Bacillus subtilis WB800N

Purification step

Total activity (U)

Total protein (mg)

Specific activity (U/mg)

Yield (%)

Purification

Crude extract

1614.5

7.6

213.3

100.0

1.0

Ni-NTA

858.9

0.3

2650

53.2

12.4

  1. The crude enzyme was obtained from 50 ml culture and 10 ml purified enzyme was obtained