| abstract |
A physiologically active peptide having the amino acid sequence represented by the following general formula (I): A-W<1>-X-V<1>-Z-W<2>-Y<1>-V<2>-Y<2>-B, wherein A and/or B contains a Cys residue that is modified and/or forms a disulfide linkage, A represents a peptide composed by one to six amino acid residues; B represents a peptide composed of one to three amino acid residues; W<1> and W<2> represent each independently Ser or Thr; X represents Lys or Arg; V<1> and V<2> represent each independently Ser, Arg, Thr, Tyr, Phe or Lys; Y<1> and Y<2> represent each independently Phe, Tyr or Trp; and Z represents Leu, Val, Ile, Pro, Phe or Ala. |