Patent ID: 7645454
Filing Date: 2010-01-12
Classification: A61K,C07K,C12N,C12Y

Abstract:
1. An isolated compound having the structure: wherein each occurrence of R each occurrence of R each occurrence of R wherein Y is NH or O; wherein a, b and c are each independently 0, 1 or 2; d is an integer from 1-3; with the proviso that the d bracketed structure represents a furanose or pyranose moiety and the sum of b and c is 1 or 2; wherein R each occurrence of W 1 and W 2 is independently R 1 , R 3 or a moiety having the structure: wherein X is —OR with the proviso that at least one occurrence of W wherein the peptide comprises not more than 60 amino acid residues and comprises the N-glycosylation site of naturally occurring PSA; wherein the peptide has the following structure: or an elongated version thereof; wherein any one or more of the amino acid residues of said peptide may bear one or more protecting groups; with the proviso that the compound is not a naturally occurring PSA glycoprotein.