| abstract |
The present invention relates to an amino acidnsequence being able to facilitate penetration of a substancenof interest inside cells and/or cell nuclei and having thenfollowing formula :n (X 1 ) p [(X) o (B) n X B X X B] m (X 2 ) q n Wherein n X 1 and X 2 are amino acid sequences of 1 to 20 aminonacids; n p and q are whole numbers between 0 and 5; n B is a basic amino acid; n X is a non-basic, preferably hydrophobic amino acid,nsuch as alanine, isoleucine, leucine, methionine,nphenylalanine, tryptophan, valine or tyrosine; n n is 2 or 3; n o is 0 or 1. |