Abstract: A process for the racemisation of an optically active alpha-hydroxyketone by incubating said alpha-hydroxyketone in the presence of an acetoin racemase of Lactobacillus.

Abstract: The invention relates to novel cytochrome P450 monooxygenases from thermophilic bacteria, in particular the genus Thermus sp., to nucleotide sequences encoding them, to the recombinant production of these monooxygenases and to their use for the microbiological oxidation of organic compounds.

Abstract: The invention relates to novel proteins from Pseudomonas glumae, having esterase activity, in particular butynol I esterase activity, to nucleic acid sequences coding therefor, to expression cassettes, vectors and recombinant microorganisms; to methods for preparing said proteins and to the use thereof for enzymic, in particular enantioselective enzymic, ester hydrolysis or transesterification of organic esters.

Abstract: The present invention relates to modified cytochrome P450 monooxygenases with an altered substrate profile, to nucleic acid sequences coding therefor, to expression constructs and vectors, to recombinant microorganisms which comprise these vectors, and to processes for the microbiological production of terminally or subterminally hydroxylated aliphatic carboxylic acids.

Abstract: The invention relates to novel proteins, especially with protease activity, which promote the production of extracellular lipases by bacteria, especially of the genus Burkholderia, nucleic acid sequences encoding them, expression constructs containing them, hosts transformed with them, methods for the production of the proteins with protease activity and methods for the production of lipases, especially by bacteria of the genus Burkholderia.

Abstract: The present invention relates to enzymic and nonenzymic processes for preparing 3-methylamino-1-(thien-2-yl)propan-1-ol; as well as to enzymes for implementing these processes; and to nucleic acid sequences encoding these enzymes, to expression cassettes containing these nucleic acid sequences, to vectors and to recombinant hosts.

Abstract: A process for the production of an optically enriched oxazolidinone of the formula (2a) or (2b), by reacting an epoxide of the formula (1) with cyanate in the presence of halo-hydrin dehalogenase.

Abstract: A process for preparing optically active alkanols of the formula I in which n is an integer from 0 to 5; Cyc is an optionally substituted, mono- or polynuclear, saturated or unsaturated, carbocyclic or heterocyclic ring, and R1 is halogen, SH, OH, NO2, NR2R3 or NR2R3R4+X?, with R2, R3 and R4 independently of one another being hydrogen or a lower alkyl or lower alkoxy radical and X? being a counterion, which process comprises incubating in a medium comprising alkanone of the formula II in which n, Cyc and R1 are as defined above, an enzyme having a polypeptide sequence (i) SEQ ID NO: 1 or (ii) in which, compared to SEQ ID NO:1, up to 25% of the amino acid radicals have been altered by deletion, insertion, substitution or a combination thereof and which retains at least 50% of the enzymic activity of SEQ ID NO:1, with the compound of the formula II being enzymically reduced to give the compound of the formula I, and isolating the product formed.

Abstract: A process for the production of an optically enriched tertiary alcohol of the formula (2a) or (2b), by reacting an epoxide of the formula (1) with a nucleophilic agent Nu in the presence of halohydrin dehalogenase.

Abstract: The invention relates to a process for the production of optically active Citronellal by enzymatic reduction of Citral with a reductase from Zymomonas mobilis.

Abstract: A process is described for analyzing enzyme-catalyzed conversions of nonpolymeric substrates to nonpolymeric products with the aid of MALDI-TOF mass spectrometry, preferably in the presence of an internal standard on a specific carrier material.

Abstract: Polyolefin waxes bearing (meth)acrylate groups, process for preparing them and their use.

Abstract: The invention relates to a method for producing the optically active alkanols of formula (I), wherein n is an integer of from 0 to 5; Cyc represents an optionally substituted, mononuclear or polynuclear, saturated or unsaturated, carbocylic or heterocyclic ring, and R1 represents halogen, SH, OH, NO2, NR2R3 or NR2R3R4+X?, wherein R2, R3 and R4 independently represent H or a lower alkyl or lower alkoxy group and X? represents a counterion. According to the invention, an enzyme (E) selected from the groups of dehydrogenases, aldehyde reductases and carbonyl reductases is incubated in a medium containing the alkanone of formula (II), wherein n, Cyc and R1 are defined as above, in the presence of reduction equivalents.

Abstract: A method for the production of partially esterified (meth)acrylic acid esters of polyalcohols and the use thereof.

Abstract: The present invention relates to a process for preparing (meth)acrylic esters of alcohols having C—C triple bonds, to processes for their preparation, and to their use.

Abstract: Processes for enzymatic synthesis comprising: (a) providing an aliphatic poly(oxyalkylene)amine; and (b) reacting the aliphatic poly(oxyalkylene)amine with a reactant selected from the group consisting of acrylic acid compounds and alkyl esters thereof, in the presence of a hydrolase in bulk or in a liquid reaction medium comprising an organic solvent to for a poly(oxyalkylene)acrylamide.

Abstract: The invention relates to a process for the biocatalytic oxidation of aromatic compounds using recombinant xylene monooxygenase-expressing microorganisms in a biphasic reaction medium.

Abstract: A process for preparing a hydroxylation catalyst by i) embedding a cystochrome P450 monooxygenase in a sol-gel matrix, ii) embedding an enzymatic NADPH-regenerating system in a sol-gel matrix, and combining the two components i) and ii) unless they were already mixed together before the embedding.

Abstract: The present invention relates to enzymic processes for preparing S-butan-2-ol; and to enzymes for carrying out said processes; to nucleic acid sequences coding for said enzymes, to expression cassettes, vectors and recombinant hosts containing said nucleic acid sequences.

Abstract: The invention relates to a lipase variant which can be prepared by carrying out, on the amino acid sequence of a starting lipase selected from the lipase homologous family I.1 or I.2, at least one amino acid substitution in those positions which correspond to the positions 17, 29, 30, 52, 86, 117, 122, 160, 163, 167, 265, 266, 286, 289 in the prototype lipase sequence SEQ ID NO: 1.