Patent · US Expired

Aspergillus niger vacuolar aspartyl protease

US5674728A · kind A · utility

15Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 1994
Grant dateOct 7, 1997
Priority date
Expiry dateOct 24, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12N9/62
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

The present invention concerns a novel DNA sequence coding for an Aspergillus aspartic protease, an Aspergillus aspartic protease per se and a method for the preparation thereof. The invention further concerns a novel Aspergillus mutant strain defective in a protease of the aspartic proteinase-type, which is useful for the expression of heterologous protein, and a method for the preparation of such a mutant strain.

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