The present invention relates to a cell penetrating peptide with or without a ligand comprising a scaffold of at least two hydrophobic blocks and at least two cationic blocks, each cationic blocks alternating with one hydrophobic block; wherein the total number of amino acids is comprised between 5 and 40, and wherein each of said hydrophobic blocks individually considered consist of one or more hydrophobic amino acids, wherein at least one of said hydrophobic amino acids is selected from the group consisting of leucine, alanine and iso leucine; wherein said at least two hydrophobic blocks comprise at least a leucine amino acid; and each of said cationic blocks individually considered comprise at least one cationic amino acid having a side chain comprising a nitrogen atom, preferably one which is protonated under physiological conditions.
本发明涉及一种细胞穿透肽,其具有或不具有包括至少两个疏
水块和至少两个阳离子块的支架的
配体,每个阳离子块与一个疏
水块交替;其中
氨基酸的总数在5到40之间,并且每个疏
水块单独考虑由一个或多个疏
水氨基酸组成,其中至少一个疏
水氨基酸选自亮
氨酸、丙
氨酸和
异亮氨酸组成的群体;其中至少两个疏
水块包括至少一个亮
氨酸
氨基酸;并且每个阳离子块单独考虑包括至少一个具有侧链含有氮原子的阳离子
氨基酸,最好是在生理条件下质子化的氮原子。