Peptides including a binding domain of the viral phosphoprotein (p) subunit to the viral rna free nucleoprotein (n0)

An isolated peptide of at most 100 amino-acids comprising an amino acid sequence of formula (I):

• Valine-Xaa1-Xaa2-Glycine-Leucine-Xaa3-Xaa4-Xaa5-Xaa6-Xaa7-Xaa8, wherein
• Xaa1 is glutamine (Q), serine (S), asparagine (N), lysine (K) or an equivalent polar amino acid;
• Xaa2 is glutamic acid (E), aspartic acid (D) asparagine (N), lysine (K), or an equivalent negatively charged (or acid) amino acid;
• Xaa3 is glutamic acid (E), aspartic acid (D), lysine (K) or glutamine (Q), serine (S) or asparagine (N);
• Xaa4 is cysteine (C) or isoleucine (I);
• Xaa5 is isoleucine (I), leucine (L) or valine (V) or an equivalent apolar aliphatic amino acid;
• Xaa6 is glutamine (Q), lysine (K), arginine (R) or aspartic acid (D);
• Xaa7 is alanine (A), or phenylalanine (F) or an equivalent apolar amino acid;
• and
• Xaa8 is isoleucine (I), leucine (L) or valine (V) or an equivalent apolar aliphatic amino acid.