Patent · US Expired

Process for producing proteins correlated with the diphtheric toxin

US4925792A · kind A · utility

47Cited by
0References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 31, 1984
Grant dateMay 15, 1990
Priority date
Expiry dateJan 31, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/844
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Process for the production of a protein correlated with the diphtheric toxin which comprises culturing in a liquid nutrient medium having a concentration of iron ions of from 0.05 .mu.g/ml to 0.5 .mu.g/ml, at a temperature of from 30.degree. C. to 40.degree. C., in a neutral culturing environment and under aerobic conditions, a microorganism belonging to the Corynebacterium diphtheriae genus with two mutant phages encoding the protein correlated with the diphtheric toxin integrated in a nontandem mode in their chromosomes.

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