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Title:
AN ANTI SERUM ALBUMIN FAB-EFFECTOR MOIETY FUSION CONSTRUCT, AND THE PREPARING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2015/030539
Kind Code:
A1
Abstract:
The present invention relates to antigen-binding fragment(Fab) and a Fab-effector fusion protein or (poly)peptide comprising thereof. The Fab of the present invention specifically binds to serum albumin and thereby has extended in vivo half-life. The Fab of the present invention is characterized by not having cysteine residues that are responsible for the interchain disulfide bond in CH1 domain and CκL domain as well. The Fab-effector fusion protein or (poly)peptide of the present invention can be produced in periplasm of E. coli with high yield, and has increased in vivo half-life. Further, the present invention provides E. coli strain which produces various kinds of Fab-effector fusion proteins or (poly)peptides, and a pharmaceutical composition comprising the fab-effector fusion proteins or (poly)peptides.

Inventors:
CHA SANGHOON (KR)
Application Number:
PCT/KR2014/008106
Publication Date:
March 05, 2015
Filing Date:
August 29, 2014
Export Citation:
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Assignee:
APRILBIO CO LTD (KR)
International Classes:
C07K16/18; A61K39/395; C07K16/46
Domestic Patent References:
WO2010063818A22010-06-10
WO2005118642A22005-12-15
Foreign References:
KR20120133403A2012-12-10
KR20070073886A2007-07-10
KR20070041781A2007-04-19
KR20110008086A2011-01-25
US20090111745A12009-04-30
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Attorney, Agent or Firm:
NAM & NAM WORLD PATENT & LAW FIRM (Seosomun-roJung-gu, Seoul 100-813, KR)
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