Patent number: 7381795
Abstract: A modified interferon beta (INF?) is provided, which is less immunogenic than human INF? (SEQ ID NO: 1) when administered to a human in vivo. The modified INF? comprises an amino acid residue sequence that differs from SEQ ID NO: 1 by a substitution at one or more residues of SEQ ID NO: 1. Preferred substitutions are at residues selected from the group consisting of residue 50, 59, 60, 62, 63, 66, 67, 69, 70, 125, 126, 129, 130, 132, 133, and 138. Examples of suitable substitutions include F50A, L57A, I59A, Y60N, M62A, L63A, I66T, F67H, I69A, F70A, Y125A, Y126A, I129A, L130A, Y132S, L133A, Y138H, and Y138A.
Type:
Grant
Filed:
March 15, 2002
Date of Patent:
June 3, 2008
Assignee:
Merck Patent GmbH
Inventors:
Francis J. Carr, Graham Carter, Tim Jones, John Watkins, Matthew Baker