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US 6,441,274 B1Granted
Plant tryptophan synthase beta subunit
AssigneeE. I. Du Pont de Nemours and Company
InventorsRebecca E. Cahoon, Saverio Carl Falco, Karin N. Lohman
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Abstract
This invention relates to an isolated nucleic acid fragment encoding a plant tryptophan synthase beta subunit. The invention also relates to the construction of a chimeric gene encoding all or a substantial portion of the plant tryptophan synthase beta subunit, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the plant tryptophan synthase beta subunit in a transformed host cell.
Claims13
An isolated polynucleotide comprising:
- (a) a nucleotide sequence encoding a polypeptide having tryptophan synthase beta subunit activity, wherein the amino acid sequence of the polypeptide and the amino acid sequence of SEQ ID NO:2 have at least 80% sequence identity based on the Clustal alignment method, or
- (b) the complement of the nucleotide sequence, wherein the complement and the nucleotide sequence contain the same number of nucleotides and are 100% complementary.
Dependencies are inferred from the claim text.