Patent · US Expired

Polypeptide having gamma-interferon activity lacking amino acids coded by exon 4

US4921698A · kind A · utility

18Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1987
Grant dateMay 1, 1990
Priority date
Expiry dateSep 30, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/811
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A polypeptide having gamma-interferon activity which lacks the amino acid sequence coded for by exon 4, a polynucleotide sequence which codes for said polypeptide, a replicable expression vehicle containing said polynucleotide sequence and a transformed microorganism containing said replicable expression vehicle are disclosed. The transformed microorganism is useful for preparing the polypeptide having gamma-interferon activity.

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