Phytase varinats
AssigneeNovozymes A/S
InventorsAllan Svendsen, Søren Flensted Lassen, Dirk Kostrewa, Luis Pasamontes, Martin Lehmann, Andrea Tomschy, Adolphus Van Loon, Kurt Vogel, Markus Wyss
Life of this patent
Estimating the term…
Abstract
Phytase variants, their preparation and uses, which phytase variants, when aligned according to FIG. 1, are amended as compared to a model phytase in at least one of a number of positions. Preferred model phytases are basidiomycete and ascomycete phytases, such as Peniophora phytase and Aspergillus phytases. Preferred phytase variants exhibits amended activity characteristics, such as improved specific activity and/or improved thermostability.
Claims38
A modified phytase comprising a mutation in an amino acid sequence of a phytase, wherein the modified phytase has phytase activity and the mutation is at one or more positions selected from the group consisting of:
- 43, 44, 47, 51, 58, 62, 80, 83, 88, 90, 102, 115, 143, 148, 153, 154, 186, 187a, 195, 198, 201e, 204, 205, 211, 215, 220, 242, 244, 251e, 260, 264, 265, 267, 270, 273, 278, 302, 337, 339, 352, 365, 373, 383k, 404 and 417,
- wherein each position corresponds to the position of the amino acid sequence of the mature P. lycii phytase (SEQ ID NO:
- 7).
Dependencies are inferred from the claim text.