Patent ID: 8034785

Claim:
A peptide which comprises an amino acid sequence represented by the following formula (I): x00-x01-x02-x03-x04-x05-x06-x07-x08-x09-x10-x11-x12-x13 (I) wherein x00=Cys, Cys derivative, acetyl or deletion; x01=Asp, Gln, Thr or deletion; x02=Trp, Tyr or Thr; 03=Gly; x04=Thr or Ser; x05=Leu or Phe; x06=Val or Phe; x07=Thr; x08=Gly, Asp or Glu; x09=Phe or Leu; x10=Trp; x11=Gln, Gln, Thr or Leu; x12=Tyr, Thr or Ser; x13=Cys or Cys derivative or deletion; provided that one of x00 and x13 is Cys or Cys derivative and the other denotes deletion, and optionally a carrier.