Skip to main content

Advertisement

Table 3 Phosphatases in cell extracts of impA, suhB mutants

From: Inositol monophosphate phosphatase genes of Mycobacterium tuberculosis

Substrate H37Rv ΔimpA ΔsuhB
Fructose-1,6-bisP 26.04 ± 1.85 (5) 28.18 ± 0.92 (5) 32.70 ± 0.44 (5)
Inositol-1-P 0.63 ± 0.13 (6) 0.79 ± 0.12 (5) 0.63 ± 0.25 (6)
Inositol-2-P 1.20 ± 0.15 (4) 1.33 ± 0.22 (5) 1.03 ± 0.15 (6)
Glycerol-2-P 0.08 ± 0.06 (12) -0.02 ± 0.03 (2) 0.39 ± 0.03 (2)
Glycerol-3-P -0.13 ± 0.12 (12) -0.08 ± 0.03 (2) 0 ± 0.21 (2)
5' AMP 4.22 ± 0.36 (8) 4.13 ± 0.40 (2) 5.74 ± 0.04 (2)
p-nitrophenyl-P 3.00 ± 0.35 (12) 3.55 ± 0.14 (2) 4.38 ± 0.36 (2)
  1. Values: nmol/min/mg protein, mean ± SEM (n). Differences between levels in mutants and the parent strain were not significant (P > 0.05; t-test).