Patent ID: 9376467
Filing Date: 2016-06-28
CPC Classification: A61K,C07K

Claim Text:
1. A cross-linked peptide represented by the following formula P-1: wherein, X is any one selected from the group consisting of the following formulae X-1 to X-7: wherein, n represents an integer of 1 to 12, m represents an integer of 1 to 24 and l represents an integer of 1 to 24, Y represents an alkylene chain having 1 to 12 carbon atoms or an alkylene chain having 1 to 66 carbon atoms containing at least one —O—, —NH— or —S-bond and optionally substituted by a divalent oxygen atom or sulfur atom, Z represents hydrogen, an optionally substituted alkyl group having 1 to 30 carbon atoms, an optionally substituted acyl group having 1 to 36 carbon atoms, polyethylene glycol, a tBoc group, a Fmoc group, a Cbz group or a Nosyl group, [E] represents a hydrogen atom, an optionally substituted acyl group having 1 to 6 carbon atoms or a peptide having 1 to 20 residues composed of amino acids or unnatural amino acids as constituent elements, [F] represents a peptide having 1 to 20 residues composed of amino acids or unnatural amino acids, [G] represents OH, an amino group or a peptide having 1 to 20 residues composed of amino acids or unnatural amino acids, the sum of the numbers of amino acids of [E], [F] and [G] is at least 3, and R R