نتایج جستجو برای: pullulanase
تعداد نتایج: 277 فیلتر نتایج به سال:
The hyperthermophilic archaebacterium Pyrococcus furiosus produces several amylolytic enzymes in response to the presence of complex carbohydrates in the growth medium. These enzyme activities, alpha-glucosidase, pullulanase, and alpha-amylase, were detected in both cell extracts and culture supernatants. All activities were characterized by temperature optima of at least 100 degrees C as well ...
The secreton or type II secretion machinery of gram-negative bacteria includes several type IV pilin-like proteins (the pseudopilins) that are absolutely required for secretion. We previously reported the presence of a bundled pilus composed of the pseudopilin PulG on the surface of agar-grown Escherichia coli K-12 cells expressing the Klebsiella oxytoca pullulanase (Pul) secreton genes at high...
The concurrent action of the sucrase and isomaltase active sites of the hybrid sucrase-isomaltase from rat intestine on an a-limit dextrin was studied by use of 63 maltotriosylmaltotriose isolated from controlled action of pullulanase on pullulan. Hydrolysis of the a-dextrin hexasaccharide occurred by sequential removal of a glucose residue from its nonreducing end. The initial pentasaccharide ...
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