Patent ID: 7291594

Claim:
A peptide having a formula of GLP-1 Waa-(xaa)n-Yaa, said peptide consisting of a GLP-1 peptide, Waa connected to the GLP-1 peptide at the C-terminus of the GLP-1 peptide, (Xaa)n connected to Waa, and Yaa connected to (Xaa)n (in which Waa is Arg or Lys, Xaa is Lys, n is an integer of 1 to 9, and Yaa is Arg or Arg-NH 2 ), wherein the GLP-1 peptide is selected from the group consisting of GLP-1(7-35), [Ser 8 ]-GLP-1(7-35), [Gin 26 , Asn 34 ]-GLP-1(7-35), and [Ser 8 , Gln 26 , Asn 34 ]-GLP-1(7-35).