Abstract: The invention relates to a process for the preparation of a glycosylated organic compound by in vitro glycosylation of an organic compound having a nucleophilic group with a saccharide under catalysis of a Leloir glycosyltrans-ferase system comprising at least a first glycosyl transferase and a second glycosyl transferase. The invention further relates to a composition comprising a glycosylated organic compound that is obtainable by the process according to the invention.

Abstract: The present invention relates to polypeptide, preferably to a glucose isomerase, comprising an amino acid sequence, wherein the amino acid sequence of the polypeptide, preferably the glucose isomerase, is at least 95% identical to an amino acid sequence of SEQ ID NO:1, wherein the amino acid sequence of the polypeptide, preferably the glucose isomerase, comprises an amino acid substitution at one or more amino acid positions, wherein the one or more amino acid positions is/are each and independently selected from the group consisting of SEQ ID NO: 1 amino acid positions 89, 90, 95, 0, 33, 34, 35, and 59. The present invention further relates to methods preparing glucose including the use of the polypeptides of the invention for preparing glucose.

Abstract: The present invention relates to a method for producing trehalose, comprising the steps of mixing and reacting, in any order, (i) at least one alpha-phosphorylase capable of catalyzing the production of alpha-D-glucose 1-phosphate intermediate from a saccharide raw material, and from at least one phosphorus source; (ii) at least one trehalose phosphorylase capable of catalyzing the production of trehalose from an alpha-D-glucose 1-phosphate intermediate and a glucose substrate, wherein the trehalose phosphorylase is a trehalose phosphorylase variant with an amino acid sequence which differs from the amino acid sequence of a wild type trehalose phosphorylase in at least one amino acid position, (iii) at least one saccharide raw material which produces an alpha-D-glucose 1-phosphate intermediate and a co-product by catalytic action of the alpha-phosphorylase; and (iv) at least one phosphorus source selected from the group consisting of a phosphoric acids and an inorganic salt thereof.

Abstract: Disclosed are ketoreductases and the use thereof. The disclosed ketoreductases are particularly useful for enzymatically catalyzing the reduction of ketones to chiral or non-chiral secondary alcohols and oxidation of chiral or non-chiral secondary alcohols to ketones.

Abstract: The invention relates to a process for the manufacturing and purification of recombinant enzyme products, in particular of food enzyme products and the use thereof. The invention particularly relates to a process for the processing of enzyme products from a microbial fermentation broth by methods of separation, enzymatic treatment and filtration procedures.

Abstract: The present invention is related to a trehalose phosphorylase comprising an amino acid sequence, wherein the amino acid sequence of the trehalose phosphorylase is at least 80% identical to and/or at least 80% homologous to an amino acid sequence of SEQ ID NO: 1, wherein the amino acid sequence of the trehalose phosphorylase comprises an amino acid substitution at one or more amino acid positions, wherein the one or more amino acid positions is/are selected from the group consisting of amino acid positions of SEQ ID NO: 1 712, 383, 10, 114, 118, 192, 197, 220, 225, 304, 306, 318, 323, 339, 349, 357, 459, 476, 481, 484, 487, 488, 506, 511, 526, 530, 532, 533, 537, 550, 556, 564, 590, 649, 667, 703 and 705.

Abstract: The present invention relates to polypeptide, preferably to a glucose isomerase, comprising an amino acid sequence, wherein the amino acid sequence of the polypeptide, preferably the glucose isomerase, is at least 95% identical to an amino acid sequence of SEQ ID NO:1, wherein the amino acid sequence of the polypeptide, preferably the glucose isomerase, comprises an amino acid substitution at one or more amino acid positions, wherein the one or more amino acid positions is/are each and independently selected from the group consisting of SEQ ID NO: 1 amino acid positions 89, 90, 95, 0, 33, 34, 35, and 59. The present invention further relates to methods preparing glucose including the use of the polypeptides of the invention for preparing glucose.

Abstract: The present invention relates to a sucrose phosphorylase variant comprising or consisting of an amino acid sequence with at least 75% homologous and/or identical to an amino acid sequence of wild type sucrose phosphorylase, preferably wherein the sucrose phosphorylase is characterized by different structural and functional features. The invention also relates to method for preparing aG1P and a co-product, wherein the method comprises reacting a sucrose phosphorylase with a glucoside substrate, wherein the sucrose phosphorylase is a sucrose phosphorylase as defined in the context of the present invention.

Abstract: The invention relates to the enzymatic treatment of a virgin liquid nutrient naturally containing carbohydrates for the in-situ production of functional carbohydrates, thereby obtaining a fortified processed liquid nutrient, being rich (or enriched) in such functional carbohydrates and offering a beneficial nutritional value. The invention relates to the in-situ use of enzymes during food processing of a virgin liquid nutrient for the preparation of fortified food containing supplementary functional carbohydrates of specified composition.

Abstract: The invention relates to transaminases and their use. The ATAs according to the invention are particularly useful for catalyzing the conversion of amines to ketones and/or vice versa. Preferably, the transaminase (ATA) according to the invention comprises an amino acid sequence with at least 80% homology to SEQ ID NO:1, wherein the amino acid sequence is engineered compared to SEQ ID NO:1 such that it comprises at least a substitution selected from the group consisting of F255L, F255A, F255C, F255D, F255E, F255G, F255H, F255K, F255M, F255N, F255P, F255Q, F255R, F255S, F255T, F255V, F255W, and F255Y.

Abstract: The invention relates to ketoreductases and the use thereof. The ketoreductases of the invention are particularly useful for enzymatically catalyzing the reduction of ketones to chiral secondary alcohols.

Abstract: The invention relates to transaminases that are particularly useful for catalyzing the conversion of amine substrates to ketone products and/or vice versa.

Abstract: The invention relates to transaminases and their use. The ATAs according to the invention are particularly useful for catalyzing the conversion of amines to ketones and/or vice versa. Preferably, the transaminase (ATA) according to the invention comprises an amino acid sequence with at least 80% homology to SEQ ID NO:1, wherein the amino acid sequence is engineered compared to SEQ ID NO:1 such that it comprises at least a substitution selected from the group consisting of F255L, F255A, F255C, F255D, F255E, F255G, F255H, F255K, F255M, F255N, F255P, F255Q, F255R, F255S, F255T, F255V, F255W, and F255Y.

Abstract: The invention relates to ketoreductases and the use thereof. The ketoreductases of the invention are particularly useful for enzymatically catalyzing the reduction of ketones to chiral secondary alcohols.

Abstract: An expression vector including two separately inducible converging promoters P1 and P2, and expression system including such an expression vector and an additional regulator vector, a method of protein expression using such an expression system, and a method of investigating (meta)genome libraries using such an expression system.

Abstract: The invention relates to transaminases that are particularly useful for catalyzing the conversion of amine substrates to ketone products and/or vice versa.

Abstract: The invention relates to ketoreductases and the use thereof. The ketoreductases of the invention are particularly useful for enzymatically catalyzing the reduction of ketones to chiral secondary alcohols.

Abstract: A method for generating a variant library of DNA sequences starting from at least one DNA starting sequence and including the steps: a) selecting at least two mutation sites in the starting sequence; b) dividing the DNA starting sequence into at least two sequence segments such that at least two of these sequence segments each contain at least one of the mutation sites; c) amplifying the sequence segments by polymerase chain reaction using at least five different oligonucleotides, where at (i) least one of the oligonucleotides can attach to each mutation site; (ii) at least two of the oligonucleotides can attach to at least one mutation site, and (iii) mutations are introduced, via mismatch positions, into the PCR amplificates by the oligonucleotides at the mutation sites where at least two mutations are introduced at at least one of the mutation sites; and d) linking the amplificates to give DNA sequences.

Abstract: A method for producing a nuclease of a gram negative bacterium or a nuclease preparation containing a nuclease of a gram negative bacterium including expression of the nuclease in a gram positive bacterium and subsequent secretion of the nuclease, as well as a nuclease or a nuclease preparation that can be obtained by this method.

Abstract: The invention relates to the use of an amidohydrolase for preparing foodstuffs or stimulants.