Starch debranching enzymes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 19, 2010
Grant Date -
Sep 18, 2008
app pub date -
May 5, 2008
filing date -
Jul 2, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a genetically engineered variant of a parent starch debranching enzyme, i.e. a pullulanase or an isoamylase, the enzyme variant having an improved thermostability at a pH in the range of 4-6 compared to the parent enzyme and/or an increased activity towards amylopectin and/or glycogen compared to the parent enzyme, to methods for producing such starch debranching enzyme variants with improved thermostability and/or altered substrate specificity, and to a method for converting starch to one or more sugars using at least one such enzyme variant.
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