Patent · US Expired

Chromogenic enzyme substrates

US4028318A · kind A · utility

24Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 1975
Grant dateJun 7, 1977
Priority date
Expiry dateNov 14, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S930/28
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Chromogenic substrates for serine proteases, represented by the formula: EQU R.sub.1 -A.sub.1 -A.sub.2 -Gly-Arg-NH-R.sub.2 or its salts, where R.sub.1 is hydrogen or alkanoyl having from 1 to 12 carbon atoms or cyclohexylcarbonyl or benzoyl or benzoyl substituted with one or two halogen atoms, methylamine or phenyl groups or benzene sulphonyl or toluenesulphonyl, R.sub.2 is nitrophenyl or naphthyl or nitronaphthyl or methoxynaphthyl or quinolyl or nitroquinolyl, A.sub.1 is a single bond or one of the amino acids Gly, Ala, Val, Leu, Ileu, Pro, Met, Phe or Tyr, and A.sub.2 is one of the amino acids Glu, Gln, Asp, or Asn.

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