Patent ID: 7696161

Claim:
A compound consists of Xaa 1 Xaa 2 Xaa 3 Gly Xaa 5 Xaa 6 Xaa 7 Xaa 8 Xaa 9 Xaa 10 Xaa 11 Xaa 12 Xaa 13 Xaa 14 Xaa 15 Xaa 16 Xaa 17 Ala Xaa 19 Xaa 20 Xaa 21 Xaa 22 Xaa 23 Xaa 24 Xaa 25 Xaa 26 Xaa 27 Xaa 28 -Z 1 ; wherein Xaa 1 is His, Arg or Tyr; Xaa 2 is Ser, Gly, Ala or Thr; Xaa 3 is Asp or Glu; Xaa 5 is Ala or Thr; Xaa 6 is Ala, Phe, Tyr or naphthylalanine; Xaa 7 is Thr or Ser; Xaa 8 is Ala, Ser or Thr; Xaa 9 is Asp or Glu; Xaa 10 is Ala, Leu, Ile, Val, pentylglycine or Met; Xaa 11 is Ala or Ser; Xaa 12 is Ala or Lys; Xaa 13 is Ala or Gln; Xaa 14 is Ala, Leu, Ile, pentylglycine, Val or Met; Xaa 15 is Ala or Glu; Xaa 16 is Ala or Glu; Xaa 17 is Ala or Glu; Xaa 19 is Ala or Val; Xaa 20 is Ala or Arg; Xaa 21 is Ala or Leu; Xaa 22 is Phe, Tyr or naphthylalanine; Xaa 23 is Ile, Val, Leu, pentylglycine, tert- butylglycine or Met; Xaa 24 is Ala, Glu or Asp; Xaa 25 is Ala, Trp, Phe, Tyr or naphthylalanine; Xaa 26 is Ala or Leu; Xaa 27 is Ala or Lys; Xaa 28 is Ala or Asn; Z 1 is —OH, —NH 2 , Gly -Z 2 , Gly Gly -Z 2 Gly Gly Xaa 31 -Z 2 , Gly Gly Xaa 31 Ser-Z 2 , Gly Gly Xaa 31 Ser Ser-Z 2 , Gly Gly Xaa 31 Ser Ser Gly-Z 2 , Gly Gly Xaa 31 Ser Ser Gly Ala-Z 2 , Gly Gly Xaa 31 Ser Ser Gly Ala Xaa 36 -Z 2 , Gly Gly Xaa 31 Ser Ser Gly Ala Xaa 36 Xaa 37 -Z 2 or Gly Gly Xaa 31 Ser Ser Gly Ala Xaa 36 Xaa 37 Xaa 38 - Z 2 ; wherein Xaa 31 , Xaa 36 , Xaa 37 and Xaa 38 are independently selected from the group consisting of Pro, homoproline, 3Hyp, 4Hyp, thioproline, N-alkylglycine, N-alkylpentylglycine and N-alkylalanine; and Z 2 is —OH or —NH 2 ; provided that no more than three of X aa3 , X aa5 , X aa6 , X aa8 , X aa10 , X aa11 , X aa12 , X aa13 , X aa14 , X aa15 , X aa16 , X aa17 , X aa19 , X aa20 , X aa21 , X aa24 , X aa25 , X aa26 , X aa27 , and X aa28 are Ala; and a pharmaceutically acceptable salt thereof.