Patent ID: 8263550

Claim:
A compound comprising the amino acid sequence of Formula (II): Xaa 1 Xaa 2 Xaa 3 Gly Thr Xaa 4 Xaa 5 Xaa 6 Xaa 7 Xaa 8 Ser Lys Gln Xaa 9 Glu Glu Glu Ala Val Arg Leu Xaa 10 Xaa 11 Xaa 12 Xaa 13 Leu X 1 Gly Gly Xaa 14 Ser Ser Gly Ala Xaa 15 Xaa 16 Xaa 17 Xaa 18 -Z; wherein: Xaa 1 4-imidazopropionyl; Xaa 2 is Ser, Gly, Ala or Thr; Xaa 3 is Asp or Glu; Xaa 4 is Phe, Tyr or naphthylalanine; Xaa 5 is Thr or Ser; Xaa 6 is Ser or Thr; Xaa 7 is Asp or Glu; Xaa 8 is Leu, Ile, Val, pentylglycine or Met; Xaa 9 is Leu, Ile, pentylglycine, Val or Met; Xaa 10 is Phe, Tyr or naphthylalanine; Xaa 11 is Ile, Val, Leu, pentylglycine, tert-butylglycine or Met; Xaa 12 is Glu or Asp; Xaa 13 is Trp, Phe, Tyr, or naphthylalanine; X 1 is Lys Asn, Asn Lys, Lys-NH e -R Asn, or Asn Lys-NH e -R where R is Lys, Arg, C 1 -C 10 straight chain or branched alkanoyl or cycloalkyanoyl; Xaa 14 , Xaa 15 , Xaa 16 and Xaa 17 are independently Pro, homoproline, 3Hyp, 4Hyp, thioproline, N-alkylglycine, N-alkylpentylglycine or N-alkylalanine; Xaa 18 is Ser, Thr or Tyr; and Z is —OH or —NH 2 ; with the proviso that the compound does not have the formula of SEQ ID. NO:1 or 2.