| 摘要 |
PURPOSE:Polypeptides expressed by the formula I: (X1 is alpha-aminoisobutyric acid, beta-alanine, etc.; X2 is L-methionine, etc., X3 is L-glutamic acid, Lglutamine residue; n is an integer, 5 to 10; Y is R1, group of the formula II; R1 is OH, lower alkoxy; R2, R3, R4 and R5 are H, lower alkyl; m is an integer, 1 to 10), their acid salts or complex compounds. For example, Aib-Tyr-Ser-MetGlu-His-Phe-Arg-Trp-Gly-Lys-Pro-Val-Gly-Lys-Lys-Lys-Lys -Lys-NH2, etc. |
