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. 2001 Jan;183(2):461–467. doi: 10.1128/JB.183.2.461-467.2001

FIG. 4.

FIG. 4

Effect of cell growth rate on fumarase activity in fumA, fumB, and fumC mutants. (A) Cells were grown in glucose (2.25 mM) minimal medium at the indicated growth rates. The oxygen level was 1%. (B) Cells were grown in glucose (2.25 mM) minimal medium, and the oxygen level was 21%. Total fumarase activity (FumB+C) in the fumA mutant (●), total fumarase activity (FumA+C) in the fumB mutant (○), total fumarase activity (FumA+B) in the fumC mutant (▴), and total fumarase activity in EJ1535 (FumA− FumC−) (▵) were determined.