The present invention relates to an enzymatic process for depolymerization of post-consumer poly(ethylene terephthalate) by a glycolysis reaction. This invention also relates to a process for recycling post-consumer poly(ethylene terephthalate) and to the recycled poly(ethylene terephthalate) obtained by said process.

Detergent compositions that include a lipase variant of a parent lipase which has lipase activity and includes one or more substitutions corresponding to G23S, D27N, A40, F51I,L, E56R, D57N, V60E,K, K98I, N101D, R118, G163S, T231R, N233R, Y220F, T244E, and P256T using SEQ ID NO: 2 for numbering. Water-soluble unit dose articles including water-soluble film and a detergent composition including lipase variants. Methods of cleaning and/or treatment of surfaces using such compositions.

The present invention is related to a novel process for production of retinyl acetate in a host cell, particularly oleaginous yeast such as e.g. Yarrowia, growing on triglyceride oils, such as e.g. vegetable oil, wherein the host cell exhibits modified lipase activity in such a way that conversion of retinol into fatty acid retinyl esters (FAREs) is reduced or abolished. Such process is especially useful in a biotechnological process for production of vitamin A.

The present invention relates to variants of a parent lipase which has lipase activity and comprise one or more substitutions corresponding to G23S, D27N, A40I, F51I,L, E56R, D57N, V60E,K, K98I, N101D, R118F, G163S, T231R, N233R, Y220F, T244E, and P256T using SEQ ID NO: 2 for numbering. The present invention also relates to compositions or microcapsule compositions comprising a lipase variant of the invention and to liquid products comprising a microcapsule composition of the invention as well as the use of said microcapsule composition for stabilizing lipase variants of the invention.

Engineered variant polypeptides having lipase enzyme activity, compositions comprising the enzymes, and methods of making and using the enzymes. The genetically engineered lipase enzymes are useful in many different applications such as laundry detergents, dish washing detergents, and cleaning products for homes, industry, vehicle care, baking, animal feed, pulp and paper processing, starch processing, biodiesel and ethanol production.

The present invention relates to lipase variants. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.

The present invention relates to a variant of a parent lipase, wherein said variant has at least 60% but less than 100% sequence identity with SEQ ID NO: 2; has lipase activity; has substitutions corresponding to G91A and N92D in the lid region located from position G82 to position 1100 of SEQ ID NO: 2; has one or more additional substitutions in the lid region; and has at least mutations in positions corresponding to position T231 and position N233 of SEQ ID NO: 2. The present invention also relates to compositions, methods for cleaning a surface using a variant or a composition of the invention; polynucleotides encoding the variants; nucleic acid constructs, vectors, host cells comprising the polynucleotides; methods of using the variants; and methods for obtaining the lipase variant.

The present invention relates to a polypeptide having lipase activity wherein the polypeptide when aligned with the polypeptide according to SEQ ID NO: 1, comprises at least an amino acid substitution G414X, wherein the numbering of amino acid position(s) is/are defined with reference to SEQ ID NO: 1. The invention further relates to a process for preparing a product comprising an oil or fat comprising bringing an intermediary form of the product comprising oil or fat into contact with a polypeptide as disclosed herein and the use of a polypeptide as disclosed herein to saturated fatty acids in an oil or fat.

The disclosure discloses a method for preparing a lipoamino acid compound based on deep eutectic solvents, and belongs to the field of organic synthesis. The preparation method of the disclosure uses a fatty acid and an amino acid as substrates, uses a deep eutectic solvent as a medium, and directly and efficiently prepares a single-chain lipoamino acid surfactant under the catalysis of lipase CALB. Alternatively, Amano lipase M is used as a catalyst to efficiently catalyze the reaction of an amino acid containing a plurality of amino groups with a fatty acid to prepare a Gemini amino acid. The method of the disclosure does not need to undergo protection and deprotection of the amino acid, and does not involve commonly used fatty acid chlorides. Compared with the traditional chemical synthesis methods, the disclosure has the advantages of greenness, safety, high selectivity, high yield, etc., and has very important potential application value.

In various examples, methods of forming a polymer (e.g., a condensation polymer including but not limited to a polyester), include the steps of forming a mixture comprising one or more monomer(s), one or more biocatalyst(s), and carbon dioxide. In various examples, the methods are at least partially carried out in sub critical carbon dioxide or supercritical carbon dioxide. In various examples, a polymer is a condensation polymer. In various examples, a fabricated article, which may be a medical article, includes one or more polymer(s).