Table 1.

The activities of wt CboDyP, E201D CboDyP, TfuDyP [6] and hemin as a control with different dyes at pH 4.

Dye Type	Dye	λmax (nm)	Conc. (µM)	kobs at pH 4 (s−1)			Hemin
				wt CboDyP	E201D CboDyP	TfuDyP b
Anthraquinone	Reactive Blue 19	595	50	0.22 a	2.88 a	1.7	N.D. c
Anthraquinone	Disperse Blue 1	577	50	2.26 ± 0.20	2.13 ± 0.02	10	N.D.
Azo dye	Acid Red 14	516	25	0.029 ± 0.001	0.34 ± 0.01	0.047	0.027 ± 0.038
Indigoid dye	Indigotetrasulfonate	590	50	0.051 ± 0.02	0.129 ± 0.004	0.023	0.040 ± 0.015
Phthalocyanine dye	Copper phthalocyanine-3,4′,4″,4‴-tetrasulfonic acid	616	25	-	0.137 ± 0.022	0.85	0.008 ± 0.002

^a These activities were measured at a pH of 5 and values represent k_cat. ^b The activities for TfuDyP are as reported in [6]. ^c Not determined.