摘要:
The present invention relates to a peptide having the following amino acid sequence:Ala-Xaa1-Leu-Xaa2-Phe-Xaa3-Xaa4-Xaa5-(Xaa6)n(wherein Xaa1 and Xaa4 each independently represents an amino acid residue which may have an alkyl or heteroalkyl side chain which may be substituted by a hydroxy, amino or guanidyl group;Xaa2 and Xaa6 each independently represents an amino acid residue which may have an alkyl or heteroalkyl side chain which may be substituted by a hydroxyl group;Xaa3 and Xaa5 each independently represents an amino acid residue which may have a hydrophobic side chain; andn stands for 1 or 0), or derivatives thereof; and a modification thereof.The peptide or derivatives thereof according to the present invention is useful as a pharmaceutical composition for the prevention and treatment of autoimmune diseases, rejection reaction attendant on the organ transplantation, inflammation or the like.