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Table 2 Rate constants of reactions between different mutants and H 2 O 2

From: Molecular characterization of Clonorchis sinensis secretory myoglobin: Delineating its role in anti-oxidative survival

Cs Mb Guaiacol ABTS
Vmax Km Vmax Km
Wild-type 46 81 167 66
Y34A N.D. * N.D. * N.D. * N.D. *
Y68A 7.1 590 32 83
Y34A/Y68A N.D. * N.D. * N.D. * N.D. *
  1. Reactions were performed with H2O2 (~20 μM) and oxygenated rCsMb solutions at 20 °C and pH 7.0. The units are as follows: Vmax, nmol of product/nmol of rCsMb /min; and Km, mM.
  2. *Reaction rates were too slow to measure.