Description
SPECIFICATIONS:
EC 3.2.1.3
Product name: 1,4-α-D-Glucan glucohydrolase
Appearance: white amorphous powder lyophilized
Activity: Grade I, 30 U/mg-solid or more
Stability: Stable at – 20 °C for at least 12 months
Molecular weight: Approx. 70,000
Michaelis constants: 11±1.1×10-4 M (Maltose), 3.6±0.51×10-4 M (Maltotriose),
2.5±0.33×10-4 M (Maltotetraose), 1.6±0.02×10-4 M
(Maltopentaose)
Optimum pH: 4.5 – 5.0
Optimum temperature: 60℃
pH Stability: pH 4.0−8.5 (25℃, 20hr)
Thermal stability: Below 45 ℃ (pH 5.5, 10min)
Substrate specificity: The enzyme specifically hydrolyzes soluble starch
amylopectin, glycogen, α-orβ-limit dextrin, amylose,
maltooligosaccharides and panose.