Mutant E. coli appa phytase enzymes and natural variants...

Chemistry: molecular biology and microbiology – Process of mutation – cell fusion – or genetic modification – Introduction of a polynucleotide molecule into or...

Reexamination Certificate

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C435S440000, C435S196000

Reexamination Certificate

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07968342

ABSTRACT:
Cells producing mutant phytases having modified activity are provided, as well as the phytases so produced. Also provided are methods of making and producing such phytases and the use of the expressed phytase protein in feed as a supplement.

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