Patent ID: 7910699

Claim:
A polypeptide of the general structural formula (I) X n —C 1 —X 1-50 —C 2 —X 0-5 —C 3 —X p —C 4 —X 1-100 —C 5 —X 1-50 —C 6 —X 0-5 —C 7 —X 1-50 —C 8 —X m (I) wherein each X is independently any of the 20 naturally occurring amino acids, n and m independently are numbers from 0 to 500, p is a number from 1 to 250, C is cysteine, alanine, serine, glycine, methionine or threonine wherein at least four residues designated as C are cysteine, at least one of the peptide sequences abbreviated as X n or X m or X p is a peptide sequence of at least 20 amino acids that is not naturally linked to a hydrophobin and X n or X m comprises a polypeptide sequence selected from the group consisting of SEQ ID NOs: 16 and 18, and wherein the polypeptide changes the contact angle of a drop of water on a glass surface by at least 20° after coating the glass surface with the polypeptide.