Patent ID: 7598342

Claim:
A synthetic peptide 4-7 amino acids in length, wherein said peptide comprises the amino acid sequence a) AA 1 -AA 2 -AA 3 -N wherein AA 1 is threonine, serine, valine or alanine; AA 2 is hydroxyproline or serine; AA 3 is valine, isoleucine, leucine or threonine; b) AA′ 1 -AA′ 2 -AA′ 3 -N-AA′ 4 wherein AA′ 1 is threonine, serine, valine or alanine; AA′ 2 is hydroxyproline or serine; AA′ 3 is valine, isoleucine, leucine or threonine; and AA′ 4 is hydroxyproline; or c) AA 1 -AA 2 -N-AA 3 wherein AA″ 1 is hydroxyproline or serine; AA″ 3 is valine, isoleucine, leucine or threonine; and AA″ 3 is hydroxyproline; and wherein said peptide has anti-estrotrophic activity.