Patent · US Expired

Glutaminase, its gene and a method of producing it

US7157252B2 · kind B2 · utility

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6Claims
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Key dates

Filing dateMay 24, 2004
Grant dateJan 2, 2007
Priority date
Expiry dateMay 24, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12N9/80
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Glutaminase is purified from an Aspergillus oryzae, its partial amino acid sequence is determined, a partial sequence of glutaminase gene is obtained by PCR based on the obtained information, and DNA fragments containing glutaminase gene from Aspergillus oryzae genomic library and cDNA library, and Aspergillus nidulans genomic library by hybridization using the partial sequence as a probe.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.