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Table 2 Nattokinase yield under the control of tandem repeats containing whole sequence or core region of PHpaII and PP43

From: High-level extracellular production of recombinant nattokinase in Bacillus subtilis WB800 by multiple tandem promoters

Single Whole promoter region
in tandem
Core promoter region
in tandem
Promoter Activity (FU/mL) Promoter Activity (FU/mL) Promoter Activity (FU/mL)
PHpaII 110.8 ± 5.2 2PHpaII 199.4 ± 7.1 2CPHpaII 200.8 ± 4.6
3PHpaII 213.3 ± 4.1 3CPHpaII 138.3 ± 3.8
4PHpaII 200.0 ± 2.6   
PP43 140.5 ± 2.5 2PP43 157.2 ± 4.0 2CPP43 166.7 ± 5.3
3PP43 219.2 ± 7.7 3CPP43 181.7 ± 6.3
4PP43 222.9 ± 4.8 4CPP43 231.7 ± 8.0
   5CPP43 254.2 ± 5.1