Structured peptide processing

C - Chemistry – Metallurgy – 40 – B

Patent

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Details

C40B 40/10 (2006.01) C12N 15/00 (2006.01) C12P 21/06 (2006.01) C12Q 1/37 (2006.01) C40B 30/04 (2006.01) G01N 33/68 (2006.01) C40B 40/02 (2006.01)

Patent

CA 2750969

The invention relates to a method for modifying one or more peptide ligands, comprising polypeptides covalently linked to a molecular scaffold at two or more amino acid residues, comprising the steps of providing one or more peptide ligands, wherein the polypeptide comprises two or more reactive groups which form a covalent linkage to the molecular scaffold, and at least one loop which comprises a sequence of two or more amino acids subtended between two of said reactive groups; exposing the peptide ligands to one or more proteases; and sorting the ligands according to the extent of proteolytic cleavage.

L'invention porte sur un procédé de modification d'un ou de plusieurs ligands peptidiques, comprenant des polypeptides liés de façon covalente à un échafaudage moléculaire au niveau de deux résidus d'acides aminés ou plus, le procédé comprend les étapes consistant à se procurer un ou plusieurs ligands peptidiques, le polypeptide comprenant deux groupes réactifs ou plus qui forment une liaison covalente avec l'échafaudage moléculaire, et au moins une boucle qui comprend une séquence de deux acides aminés ou plus sous-tendus entre deux desdits groupes réactifs ; exposer les ligands peptidiques à une ou plusieurs protéases ; et trier les ligands selon l'étendue du clivage protéolytique.

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