CYCLIC PEPTIDE COMPOUND HAVING HIGH MEMBRANE PERMEABILITY, AND LIBRARY CONTAINING SAME
申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:EP3636807A1
公开(公告)日:2020-04-15
The present inventors have found that when screening for cyclic peptide compounds that can specifically bind to a target molecule, the use of a library including cyclic peptide compounds having a long side chain in the cyclic portion can improve the hit rate for cyclic peptide compounds that can specifically bind to the target molecule. Meanwhile, the present inventors have found that tryptophan and tyrosine residues, which have conventionally been used in oral low molecular-weight pharmaceuticals and are amino acid residues having an indole skeleton or a hydroxyphenyl group, are not suitable for peptides intended to attain high membrane permeability.
[EN] METHOD FOR SYNTHESIZING PEPTIDES IN CELL-FREE TRANSLATION SYSTEM<br/>[FR] PROCÉDÉ DE SYNTHÈSE DE PEPTIDES DANS UN SYSTÈME DE TRADUCTION SANS CELLULE<br/>[JA] 無細胞翻訳系におけるペプチドの合成方法
METHOD FOR SYNTHESIZING PEPTIDES IN CELL-FREE TRANSLATION SYSTEM
申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:US20200040372A1
公开(公告)日:2020-02-06
An objective of the present invention is to provide methods of synthesizing peptides containing structurally diverse amino acids using cell-free translation systems, which can accomplish excellent translational efficiency as compared to conventional techniques (the conventional techniques being methods which involve preparing aminoacyl-tRNAs which do not have protecting groups outside the translation systems without using ARS, and then adding the prepared aminoacyl-tRNAs into translation systems). In the present invention, it was found that amino acid-containing peptides can be synthesized efficiently by protecting an amino acid linked to tRNA with an appropriate protecting group, and then performing the step of deprotecting the protecting group of the amino acid linked to tRNA and the step of peptide translation from a template nucleic acid in a cell-free translation system in parallel.