TABLE 1

Metabolism of different xanthates (100 µМ) by EtaA (400 nM)

The rates of the decrease in the substrate at 301 nm and increase in the product at 347 nm are presented. Values are the mean ± S.D. from three different experiments.

Xanthate	V₃₀₁	V₃₄₇
	nmol/min	nmol/min
C3	−1.27 ± 0.07	0.97 ± 0.077
2-methyl-C3	−0.38 ± 0.06	0.22 ± 0.012
C4	−1.57 ± 0.12	0.93 ± 0.065
C5	−1.53 ± 0.09	0.74 ± 0.052
C8	−1.35 ± 0.08	0.90 ± 0.072
Cyclo	−0.8 ± 0.07	0.71 ± 0.064
C10	−2.47 ± 0.18	0.49 ± 0.110
C12	−1.51 ± 0.10	0.03 ± 0.007
D609	−0.89 ± 0.08	0.58 ± 0.040