Abstract: The present invention relates to a peptide comprising or consisting of an amino acid sequence according to formula (I) X1-X2-X3-X4-X5-(A)m-X6-X7-(X8)n-C (I), wherein X1 is C or S, X2 is L or A, X3 is A, V or L, X4 is F or Y, X5 is Y or F, X6 is C or R, X7 is F or L, X8 is W or A and m and n are independently 0 or 1 or a variant thereof.