Mutants of interleukin-1 receptor antagonist

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United States of America Patent

PATENT NO 9163072
SERIAL NO

13545878

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Abstract

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The invention provides an isolated polypeptide comprising a variant amino acid sequence of SEQ ID NO: 1, or a fusion or derivative of said polypeptide, or a fusion of a said derivative thereof, wherein the polypeptide, fusion or derivative retains a biological activity of wild type IL-IRa. In one embodiment, the isolated polypeptide, fusion or derivative is or comprises a polypeptide variant of amino acid sequence SEQ ID NO: 1 comprising or consisting of substitutions at one or more of the following amino acid mutations of SEQ ID NO: 1: Q29K, P38Y, P38R, L42W, D47N, E52R, H54R, E90Y, Q129L, Q129N, M136N, M136D and Q149K. Also provided are pharmaceutical compositions of the above polypeptide, fusion or derivative, as well as uses of the same for treating a disease or condition capable of being treated by an agent which inhibits the function of IL-1 receptors.

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Patent OwnerAddress
ALLIGATOR BIOSCIENCE ABMEDICON VILLAGE LUND SE-223 81

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Mats Peter Kävlinge, SE 2 8
Brachan, Karin Elisabeth Kalgshamn, SE 1 0
Dahlén, Eva Maria Arlöv, SE 3 8
Höjman, Patrick Thomas Malmoe, SE 3 8
Hanger, Cecilia Ann-Christin Malmborg Helsingborg, SE 1 0
Karlsson, Marie Asa Ingegerd Lund, SE 2 8
Walse, Björn Ulrik Lund, SE 6 6

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