Enzymatic Reaction (image will open in a new window)
Dextranases catalyze the endohydrolysis of 1,6-[[alpha]]-glucosidic linkages in dextran. They have been reviewed by Fischer and Stein (1960).
Characteristics of Dextranase from Penicillium Sp.:
Molecular weight: 64.6 kDa (Theoretical)
Protein Accession Number: CAB91097
Optimum pH: From pH 5.0 to 7.0 (Chaiet et al. 1970).
Extinction coefficient: = 20.0 (Chaiet et al. 1970).
Isoelectric points: 4.55 ± 0.05 (Chaiet et al. 1970).
Activators: Co2+, Mn2+, Cu2+ (Sugiura et al. 1973).
Specificity: Dextranase preferentially cleaves the α-1,6 linkages of dextran (Sugiura et al. 1973).
Inhibitors: Hg2+, Ag2+, N-bromosuccinimide, I2 (Sugiura et al. 1973).
Stability: The enzyme is stable at pH 6.0 up to 40°C (Sugiura et al. 1973).
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