Patent ID: 9084831
Filing Date: 2015-07-21
Classification: A61K,A61P,C07K

Abstract:
1. A precursor polypeptide comprising any one of the following polypeptides: a polypeptide represented by any one of the following formulae (1) to (12); a polypeptide obtained by deletion, insertion, or substitution of one, two or three amino acids with respect to a polypeptide represented by any one of the following formulae (1) to (12), the polypeptide binding to pancreatic islets after being labeled and deprotected; and a polypeptide having a sequence identity of 85% or higher with any one of the amino acid sequences of polypeptides represented by the following formulae (1) to (12), the polypeptide binding to pancreatic islets after being labeled and deprotected, wherein the molecular probe is used in pancreatic islet imaging, wherein, in the foregoing formulae (1) to (8), “*-” indicates that an amino group at an N-Terminus is protected by a protecting group, and in the foregoing formulae (1) to (12), “K*” indicates that an amino group of a side chain of a lysine is protected by a protecting group, the functional groups of the side chains of the amino acids except for K* are not protected by a protecting group, and “—NH