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Table 1 Level of factors used in experimental design

From: Growth optimization and identification of an ω-transaminase by a novel native PAGE activity staining method in a Bacillus sp. strain BaH isolated from Iranian soil

Factors

Symbol

Coded-variable level

− 1

0

1

Temperature (°C)

A

26

33

40

Agitation speed (rpm)

B

120

160

216

pH

C

6.7

7.7

8.5

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