| 摘要 |
The present invention relates to an amino acid sequence being able to facilitate penetration of a substance of interest inside cells and/or cell nuclei and having the following formula (I) [(X1)p [(X)o (B)nX B X X B]m (X2)q wherein X1 and X2 are amino acid sequences of 1 to 20 amino acids; p and q are whole numbers between 0 and 5; B is a basic amino acid; X is a non-basic, preferably hydrophobic amino acid, such as alanine, isoleucine, leucine, methionine, phenylalanine, tryptophan, valine or tyrosine; n is 2 or 3; m is 1 to 4; o is 0 or 1, between 0 and 5; B is a basic amino acid; X is a non-basic, preferably hydrophobic amino acid, such as alanine, isoleucine, leucine, methionine phenylalanine, tryptophan, valine or tyrosine; n is 2 or 3; m is 1 to 4; o is 0 or 1.
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