Description
Cellulase is any of several enzymes produced chiefly by fungi, bacteria, and protozoans that catalyze cellulolysis, the decomposition of cellulose and of some related polysaccharides; specifically, the hydrolysis of the 1,4-beta-D-glycosidic linkages in cellulose, hemicellulose, lichenin, and cereal beta-D-glucans. Cellulases break down the cellulose molecule into monosaccharides ("simple sugars") such as beta-glucose, or shorter polysaccharides and oligosaccharides. The name is also used for any naturally occurring mixture or complex of various such enzymes, that act serially or synergistically to decompose cellulosic material.
Abbr
Cellulase 5C & Acetyl xylan esterase 2A, Recombinant (Clostridium thermocellum)
Species
Clostridium thermocellum
Form
35 mM NaHepes buffer, pH 7.5, 750 mM NaCl, 200 mM imidazol, 3.5 mM CaCl2, 0.02% sodium azide and 25% (v/v) glycerol
Enzyme Commission Number
EC 3.2.1.4 & EC 3.2.1.72
Activity
Cellulase 5C: 130 U/mg and Acetyl xylan esterase 2A: 74 U/mg
Molecular Weight
88.9 kDa
Specificity
Soluble forms of cellulose and 1,3-1,4-β-glucans (GH5) while releasing acetate from acetylated xylan, glucomannan and galactoglucomannan (CE2)
Optimum temperature
60 °C
Storage
This enzyme is shipped at room temperature but should be stored at -20 °C.
Synonyms
Cellulase, thermostable; 1,4-(1,3:1,4)-β-D-Glucan 4-glucano-hydrolase; EC 3.2.1.4; Cellulase; endo-1,4-β-D-glucanase; β-1,4-glucanase; β-1,4-endoglucan hydrolase; celluase A; cellulosin AP; endoglucanase D; alkali cellulase; cellulase A 3; celludextrinase; 9.5 cellulase; avicelase; pancellase SS