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Table 6 Concentration levels used in the Plackett-Burman experiment

From: Ornithine cyclodeaminase-based proline production by Corynebacterium glutamicum

Factor Name Level
   - +
A (g/L) Glucose 20 40
B (g/L) Urea 2.5 10
C (g/L) KH2PO4 0.5 2.0
D (g/L) K2HPO4 0.5 2.0
E (g/L) CaCl2 5.0·10-3 2.0·10-2
F (g/L) MgSO4 1.3·10-1 5.0·10-1
G (g/L) MOPS 31 52
H (mL/L) Trace metals 7.5·10-1 2.0
I (g/L) Biotin 1.0·10-4 4.0·10-4
J (g/L) Prochatechuic acid 1.5·10-2 6.0·10-1
K (g/L) IPTG 1.2·10-1 3.6·10-1
L (g/L) Arginine 1.3·10-1 1.7·10-1
D1-D7 Dummy 0 0