Patent ID: 8372799

Claim:
A protein selected from the amino acid sequences: SEQ ID:NO: 1 (NH 2 )Ala-Ile-Lys-Ser-Pro-Cys-Gln-Arg-Glu-Thr-Pro-Glu-Gly-Ala-Glu-Ala-Lys-Gly-Gly-Cys-Pro-Ser-Thr-His-Val(COOH); SEQ ID:NO: 2 (NH 2 )Lys-Ser-Pro-Cys-Gln-Arg-Glu-Thr-Pro-Glu-Gly-Ala-Glu-Ala-Lys-Gly-Gly-Cys-Pro-Ser(COOH); and SEQ ID:NO: 3 (NH 2 )Cys-Gln-Arg-Glu-Thr-Pro-Glu-Gly-Ala-Glu-Ala-Lys-Gly-Gly-Cys(COOH), wherein the protein includes a ring closure by a bond between two cysteine moieties.