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US 6,555,355 B1Granted
Protease variants and compositions
AssigneeNovozymes A/S
InventorsPeter Kamp Hansen, Peter Bauditz, Frank Mikkelsen, Kim Vilbour Andersen
Life of this patent
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Abstract
Enzymes produced by mutating the genes for a number of subtilases and expressing the mutated genes in suitable hosts are presented. The enzymes exhibit improved wash performance in any detergent in comparison to their wild type parent enzymes.
Claims20
A modified subtilase, comprising a mutation in an amino acid sequence of a subtilase, wherein the mutation is:
- 252L+255I,
- 252V+255A,
- 252M+255C+259H,
- 252S+255E+259C, or
- 252K+255S+259C,
- numbered according to the amino acid sequence of the mature subtilisin BPN′.
3 more elements
Dependencies are inferred from the claim text.