Cellular libraries of peptide sequences (clips) and methods...

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 19/00 (2006.01) C12N 15/62 (2006.01) C12Q 1/25 (2006.01) C40B 30/08 (2006.01) C40B 40/02 (2006.01) C40B 40/10 (2006.01) G01N 33/58 (2006.01) C07K 14/705 (2006.01)

Patent

CA 2620886

The present invention provides compositions including peptide display scaffolds that present at least one candidate peptide and at least one detectable moiety in at least one of the N-terminal and C-terminal candidate peptide presenting domains that when expressed in a cell are accessible at a surface of the cell outermembrane. In addition, the present invention also provides kits and methods for screening a library of cells presenting the candidate peptides in peptide display scaffolds to identify a ligand for an enzyme.

La présente invention propose des compositions comprenant des échafaudages de présentation de peptide qui comprennent au moins un peptide candidat et au moins un fragment détectable dans au moins un des domaines de présentation de peptide candidat N-terminal et C-terminal qui, lorsqu'ils sont exprimés dans une cellule, sont accessibles à une surface de la membrane externe de la cellule. De plus, la présente invention propose en outre des kits et des procédés pour cribler une bibliothèque de cellules présentant les peptides candidats dans des échafaudages de présentation de peptide pour identifier un ligand pour une enzyme.

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