| 摘要 |
A peptide compound of the following general formula (I) or (II): Ra-R1-R2-R3-R4-Rb(I) or Ra-R4-R3-R2-R1-Rb(II) wherein, R1 is a residue of amino acid H, R or K; R2 is a residue of amino acid A; R3 is a residue of amino acid E or D; R4 is a residue of amino acid E or D, Ra represents the N-terminal primary amine functions of the amino acid R1 or R4, either free or substituted with a protective group, Rb represents the hydroxyl function of the C-terminal carboxyl group of the amino acid R1 or R4, either free or substituted with a protective group. |
