Abstract
Cellulases can be added to the list of enzymes that are inactivated by shaking, agitation, or shearing. Of the cellulases, the most susceptible component is cellobiohydrolase (CBH). A survey of compounds that protect CBH against shaking reveals that some non-ionic surfactants are most potent, being active in the range of one molecule per molecule of enzyme. Under shaking conditions (50°, 350 rpm) where the CBH half-life is 1.5 hours, the presence of Zonyl·FSN increased the half-life to 180 hours. The addition of surfactant to enzyme already inactivated by shaking does not lead to recovery of activity. The presence of surfactant does not improve heat stability of the enzyme under unshaken conditions; nor does it affect the initial rate of hydrolysis. Long time (3 day) hydrolyses of crystalline cellulose under shaking conditions are markedly improved by the presence of surfactant, the improvement resulting from protection of the CBH against inactivation.
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© 1982 Plenum Press, New York
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Reese, E.T. (1982). Protection of Trichoderma Reesei Cellulase from Inactivation Due to Shaking. In: Mittal, K.L., Fendler, E.J. (eds) Solution Behavior of Surfactants. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-3494-1_50
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DOI: https://doi.org/10.1007/978-1-4613-3494-1_50
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