The invention provides
a peptide comprising the
amino acid sequence given below, together with uses of the
peptide and methods associated therewith. The
peptide finds particular use as an
appetite suppressant and in the treatment of
obesity.Xaa1 Xaa2 Xaa3 Gly4 Thr5 Phe6 Thr7 Ser8 Asp9 Tyr10Ser11 Lys12 Tyr13 Leu14 Xaa15 Xaa16 Xaa17 Xaa18Xaa19 Xaa20 Xaa21 Xaa22 Xaa23 Xaa24 Trp25 Leu26Xaa27 Xaa28 Xaa29 Xaa30 Xaa31 Xaa32 Lys33 Asn34Asn35 Ile36 A1a37;wherein:Xaa2 is His1 or D-His1,Xaa2 is Ser2 or Ala2,Xaa3 is Gln3 or Asp3;Xaa15 Xaa16 Xaa17 Xaa18 Xaa19 Xaa20 Xaa21 Xaa22Xaa23 Xaa24 is:Glu15 Glu16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22Leu23 Glu24,Glu15 Glu16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22Leu23 Gln24,Glu15 Glu16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22Ile23 Glu24,Glu15 Glu16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22Ile23 Gln24,Glu15 Glu16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22Leu23 Glu24,Glu15 Glu16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22Leu23 Gln24,Glu15 Glu16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22Ile23 Glu24,Glu15 Glu16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22Ile23 Gln24,Glu15 Gln16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22Leu23 Glu24,Glu15 Gln16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22Leu23 Gln24,Glu15 Gln16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22Ile23 Glu24,Glu15 Gln16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22Ile23 Gln24,Glu15 Gln16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22Leu23 Glu24,Glu15 Gln16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22Leu23 Gln24,Glu15 Gln16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22Ile23 Glu24,Glu15 Gln16 Glu17 lle18 Val19 Lys20 Tyr21 Phe22Ile23 Gln24,orAsp15 Ser16 Arg17 Arg18 Ala19 Gln20 Asp21 Phe22Val23 Gln24;Xaa27 Xaa28 Xaa29 Xaa30 Xaa31 Xaa32 is:Met27 Asn28 Thr29 Lys30 Arg31 Asn32,Lys27 Asn28 Ala29 Gly30 Pro31 Ser32,orLys27 Asn28 Gly29 Gly30 Pro31 Ser32or
a peptide as set out above in which residue Asn34 is replaced with Asp34;or
a peptide as set out above in which Xaa3 is Glu3;with the proviso that ifXaa15 Xaa16 Xaa17 Xaa18 Xaa19 Xaa20 Xaa21 Xaa22Xaa23 Xaa24 isAsp15 Ser16 Arg17 Arg18 Ala19 Gln20 Asp21 Phe22Val23 Gln24,thenXaa27 Xaa28 Xaa29 Xaa30 Xaa31 Xaa32 is notMet27 Asn28 Thr29 Lys30 Arg31 Asn32.