An object of the present invention is to provide a VEGFR2 inhibitor peptide having high specificity and available at a low cost. The present invention provides a peptide having the following amino acid sequence:
[wherein, Xaa2 represents Val or derivative thereof, Xaa6 represents Asp or derivative thereof, Xaa7 represents Pro or derivative thereof, Xaa8 represents Trp or derivative thereof, Xaa10 represents Asn or derivative thereof, Xaa11 represents Gly or derivative thereof, Xaa12 represents Leu or derivative thereof, Xaa1, Xaa3 to Xaa5, Xaa9, and Xaa13 to Xaa15 each independently represent an arbitrary amino acid or derivative thereof]; or
[wherein, Xaa24 represents His or derivative thereof, Xaa25 represents Pro or derivative thereof, and Xaa16 to Xaa23 and Xaa26 to Xaa30 each represent an arbitrary amino acid].
本发明的目的是提供一种具有高特异性且成本低廉的 V
EGFR2
抑制剂多肽。本发明提供了一种具有以下
氨基酸序列的
多肽:
[其中,Xaa2代表Val或其衍
生物,Xaa6代表Asp或其衍
生物,Xaa7代表Pro或其衍
生物,Xaa8代表Trp或其衍
生物,Xaa10代表Asn或其衍
生物,Xaa11代表Gly或其衍
生物,Xaa12代表Leu或其衍
生物,Xaa1、Xaa3至Xaa5、Xaa9和Xaa13至Xaa15各自独立地代表任意
氨基酸或其衍
生物];或
[其中,Xaa24 代表 His 或其衍
生物,Xaa25 代表 Pro 或其衍
生物,以及 Xaa16 至 Xaa23 和 Xaa26 至 Xaa30 各自代表任意
氨基酸]。