The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 04, 2018

Filed:

Nov. 18, 2013
Applicant:

Iba Gmbh, Goettingen, DE;

Inventor:

Thomas Schmidt, Adelebsen, DE;

Assignee:

IBA GMBH, Goettingen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 38/00 (2006.01); C07K 14/36 (2006.01); C12N 15/62 (2006.01); G01N 33/68 (2006.01); C07K 1/22 (2006.01);
U.S. Cl.
CPC ...
C07K 14/36 (2013.01); C12N 15/62 (2013.01); G01N 33/68 (2013.01); C07K 1/22 (2013.01); C07K 2319/22 (2013.01); C07K 2319/70 (2013.01); G01N 2333/36 (2013.01);
Abstract

The invention concerns novel streptavidin muteins. In one embodiment such a mutein (a) contains at least one mutation in the region of the amino acid positions 115 to 121 with reference to the amino acid sequence of wild type streptavidin as set forth at SEQ ID NO: 15 and (b) has a higher binding affinity than each of (i) a streptavidin mutein that comprises the amino acid sequence Val44-Thr45-Ala46-Arg47 (SEQ ID NO: 98), or (ii) a streptavidin mutein that comprises the amino acid sequence He44-Gly45-Ala46-Arg47 (SEQ ID NO: 99) at amino acid positions 44 to 47, or (iii) wild type-streptavidin (SEQ ID NO: 15) for peptide ligands comprising the amino acid sequence Trp-Ser-His-Pro-Gln-Phe-Glu-Lys (SEQ ID NO: 100).


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