Fig. 4

BsGH7-3 catalysed hydrolysis of carboxymethyl cellulose (CMC) as determined by visible spectrophotometry. The solid line indicates the best fit of the Michaelis–Menten equation. The values determined were K _m = 0.7461 mg mL⁻¹, V _max = 21.64 µM min⁻¹ and k _cat = 288 min⁻¹