Patent number: 6051683
Abstract: The invention relates to medicine, specifically, to methods of obtaining biologically active substances with immuno-regulating properties, and can be used in medicine and veterinary science and in experimental biochemistry. The fundamental problem addressed by the invention is that of producing a noval synthetic biologically active peptide with immuno-regulating properties and of the formula: X-Glu-Trp-Y, in which X is H or Gly, Ala, Leu, Ile, Val, NVal, Pro, Tyr, Phe, Trp, D-Ala, D-Leu, D-Ile, D-Val, D-NVal, D-Pro, D-Tyr, D-Phe, D-Trp, .gamma.-aminobutyric acid, .zeta.-aminocapronic acid; Y is Gla, Ala, Leu, Ile, Val, NVal, Pro, Tyr, Phe, Trp, D-Ala, D-Leu, D-Ile, D-Val, D-NVal, D-Pro, D-Tyr, D-Phe, D-Trp, .gamma.-aminobutyric acid .zeta.-aminocapronic acid, --OH, NH.sub.2,N.sub.2 H.sub.3, mono- or di-substituted amide (C.sub.1 -C.sub.3).
Type:
Grant
Filed:
August 17, 1998
Date of Patent:
April 18, 2000
Assignee:
Immunotech Developments Inc.
Inventors:
Vladislav Isakovich Deigin, Andrei Marxovich Korotkov