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US 6,190,897 B1Granted
Phytase
AssigneeDiversa Corporation
InventorKeith Kretz
Life of this patent
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Abstract
The invention provides a purified phytate enzyme derived from Escherichia coli B . The enzyme has a molecular weight of about 47.1 kilodaltons and has phytase activity (SEQ ID NO:2). The enzyme can be produced from native or recombinant host cells and can be used to aid in the digestion of phytate where desired. In particular, the phytase of the present invention can be used in animal feed.
Claims9
An isolated polynucleotide encoding a phytase having the amino acid sequence of SEQ ID NO:2.
An isolated polynucleotide selected from the group consisting of:
- a) SEQ ID NO:1;
- b) SEQ ID NO:1 wherein T is substituted with U.
Dependencies are inferred from the claim text.