TABLE 2.

Enzymatic activity of purified DyP on various dyes

Color index of dyes	Chromophore	ɛ at λmaxa (liters/mM/cm)	Optimal pH	Initial concn (μM)	Decolorizing rate (μM/min)
RB5	AQb	7.3	3.2	119	24
RB19	AQ	10	3.2	116	22
RB114	AQ	8.4	4.0	151	12
AQ-1	AQ	9.0	3.2	113	10
AQ-2	AQ	8.3	3.0	141	55
AQ-2′d	AQ	7.3	3.2	148	20
Reactive Black 5	AZc	37	3.2	33	1.1 × 10−1
Reactive Red 33	AZ	23	3.2	60	4.7 × 10−1
Reactive Yellow 2	AZ	8.1	3.2	125	6.2 × 10−1
RB182	AZ	7.3	4.0	123	21

^aMolar extinction coefficient at maximum absorption wavelength (λ_max) of each dye. 

^bAQ, anthraquinone. 

^cAZ, azo. 

^dDecolorization test of AQ-2′ by Dec 1 was not conducted in the previous study (18).