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Table 4 The purification step of cellulase isolate from Klebsiella oxytoca (M21WG) and Klebsiella sp. (Z6WG)

From: Harnessing the potential use of cellulolytic Klebsiella oxytoca (M21WG) and Klebsiella sp. (Z6WG) isolated from the guts of termites (Isoptera)

Enzyme code

Purification steps

Total protein (mg)

Total activity (U)

Specific activity \(\frac{\left(\mathbf{U}\right)}{\left(\mathbf{mg}\right)}\)

Klebsiella oxytoca M21WG

Crude enzymes

815

270

0.33 ± 0.3

Ammonium sulfate precipitation

18

134.2

7.45 ± 0.45

Dialysis

7.3

103

14.12 ± 0.58

Klebsiella sp. Z6WG

Crude enzymes

726

236.67

0.32 ± 0.74

Ammonium sulfate precipitation

30.8

110

3.57 ± 0.53

Dialysis

7

95.3

13.61 ± 0.69

  1. Values of mean ± SD represent the standard error of replicates
  2. mg milligram, U μmol/min/mL, U/mg units per milligram