Abstract: The present invention relates to a method of constructing a variant of a parent Termamyl-like ?-amylase, which variant has ?-amylase activity and at least one altered property as compared to the parent ?-amylase, comprises i) analysing the structure of the parent Termamyl-like ?-amylase to identify at least one amino acid residue or at least one structural part of the Termamyl-like ?-amylase structure, which amino acid residue or structural part is believed to be of relevance for altering the property of the parent Termamyl-like ?-amylase (as evaluated on the basis of structural or functional considerations), ii) constructing a Termamyl-like ?-amylase variant, which as compared to the parent Termamyl-like ?-amylase, has been modified in the amino acid residue or structural part identified in i) so as to alter the property, and, optionally, iii) testing the resulting Termamyl-like ?-amylase variant with respect to the property in question.

Abstract: The present invention relates to variants of a parent ?-amylase, which parent ?-amylase (i) has an amino acid sequence selected from the amino acid sequences shown in SEQ ID No. 1, SEQ ID No. 2, SEQ ID No. 3, and SEQ ID No.

Abstract: The present invention relates to variants of a parent ?-amylase, which parent ?-amylase (i) has an amino acid sequence selected from the amino acid sequences shown in SEQ ID No. 1, SEQ ID No. 2, SEQ ID No. 3, and SEQ ID No.

Abstract: The invention relates to a novel Termamyl-like alpha-amylase, and Termamyl-like alpha-amylases comprising mutations in two, three, four, five or six regions/positions. The variants have increased thermostability at acidic pH and/or at low Ca2+ concentrations (relative to the parent).

Abstract: The present invention relates to alpha-amylase variants having mutations corresponding to one or more of the following mutations A181E,D,Q,N,V; I201W,F,L; Q264R,D,K,E; Y290R,E,K; and S334A,V,T,L,I,D (using SEQ ID No. 2 for numbering).

Abstract: The present invention relates to variants of a parent ?-amylase, which parent ?-amylase (i) has an amino acid sequence selected from the amino acid sequences shown in SEQ ID No. 1, SEQ ID No. 2, SEQ ID No. 3, and SEQ ID No.

Abstract: The invention relates to a novel Termamyl-like alpha-amylase, and Termamyl-like alpha-amylases comprising mutations in two, three, four, five or six regions/positions. The variants have increased thermostability at acidic pH and/or at low Ca2+ concentrations (relative to the parent).

Abstract: The invention relates to a variant of a parent Termamyl-like alpha-amylase, which variant exhibits altered properties, in particular reduced capability of cleaving a substrate close to the branching point, and improved substrate specificity and/or improved specific activity relative to the parent alpha-amylase.

Abstract: The present invention relates to a process of producing a fermentation product, especially ethanol, from starch-containing material using an alpha-amylase and a carbohydrate-source generating enzyme. The invention also relates to a composition comprising an alpha-amylase and a carbohydrate-source generating enzyme as well as the use such compositions for producing fermentation products.

Abstract: The invention relates to a variant of a parent Fungamyl-like fungal alpha-amylase, which exhibits improved thermal stability at acidic pH suitable for, e.g., starch processes.

Abstract: The invention relates to a genetically engineered variant of a parent starch debranching enzyme, i.e. a pullulanase or an isamylase, 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.

Abstract: The present invention provides an improved process for producing a fermentation product in a fermentation medium, including ethanol, which process include a fermentation step, comprising subjecting the fermentation medium to at least one surfactant and at least one carbohydrate-source generating enzyme.

Abstract: The present invention relates to a method of constructing a variant of a parent Termamyl-like ?-amylase, which variant has ?-amylase activity and at least one altered property as compared to the parent ?-amylase, comprises i) analysing the structure of the parent Termamyl-like ?-amylase to identify at least one amino acid residue or at least one structural part of the Termamyl-like ?-amylase structure, which amino acid residue or structural part is believed to be of relevance for altering the property of the parent Termamyl-like ?-amylase (as evaluated on the basis of structural or functional considerations), ii) constructing a Termamyl-like ?-amylase variant, which as compared to the parent Termamyl-like ?-amylase, has been modified in the amino acid residue or structural part identified in i) so as to alter the property, and, optionally, iii) testing the resulting Termamyl-like ?-amylase variant with respect to the property in question.

Abstract: The invention relates to a genetically engineered variant of a parent starch debranching enzyme, i.e. a pullulanase or an isamylase, 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.

Abstract: The invention relates to a variant of a parent Termamyl-like alpha-amylase, which variant has a-amylase activity and exhibits an alteration in at least one of the following properties relative to said parent a-amylase: substrate specificity, substrate binding, substrate cleavage pattern, thermal stability, pH/activity profile, pH/stability profile, stability towards oxidation, Ca2+ dependency and specific activity.

Abstract: The invention relates to a variant of a parent Fungamyl-like fungal alpha-amylase, which exhibits improved thermal stability at acidic pH suitable for, e.g., starch processes.

Abstract: The invention relates to a process of producing a fermentation product, such as ethanol, from starch-containing material, including i) subjecting starch-containing material to an alpha-amylase, ii) subjecting the material obtained in step i) to an alpha-glucosidase and/or a maltose-generating enzyme, and iii) fermenting the material in the presence of a fermenting organism, such as yeast. Alternatively the invention relates to a process of producing a fermentation product from starch-containing material, preferably granular starch, which process comprises: a) subjecting starch-containing material to an alpha-glucosidase and optionally a glucose-generating and/or maltose-generating enzyme, and b) fermenting the material in the presence of a fermenting organism.

Abstract: The invention relates to a variant of a parent Termamyl-like alpha-amylase, which variant exhibits altered properties, in particular reduced capability of cleaving a substrate close to the branching point, and improved substrate specificity and/or improved specific activity relative to the parent alpha-amylase.

Abstract: The present invention relates to method of liquefying starch-containing material, wherein the method comprises the steps of (a) treating the starch-containing material with a bacterial alpha-amylase at a temperature around 70-90° C. for 15-90 minutes, and (b) treating the material obtained in step (a) with an alpha-amylase at a temperature between 60-80° C. for 30-90 minutes. The invention also relates to a process of producing a fermentation product, preferably ethanol, comprising a liquefaction step carried out according to the liquefaction method of the invention.

Abstract: The invention relates to a variant of a parent Fungamyl-like fungal alpha-amylase, which exhibits improved thermal stability at acidic pH suitable for, e.g., starch processes.