Modified interferon-beta (IFN-beta) polypeptides
First Claim
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1. A modified IFN-β
- polypeptide, comprising;
an amino acid modification in an unmodified IFN-β
polypeptide at positions corresponding to amino acid position L5 or L6 in the mature IFN-β
polypeptide set forth in SEQ ID NO;
1, wherein a modification is a replacement (substitution), addition, deletion, or a combination thereof, of amino acid residues; and
one or more additional amino acid modifications at another position.
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Abstract
Provided are modified interferon-beta polypeptides and nucleic acid molecules encoding modified interferon-beta polypeptides and formulations containing the polypeptides and/or nucleic acid molecules. The modified polypeptides exhibit increased protein stability, including increased resistance to proteases. Also provided are methods of treatment by administering modified interferon-beta polypeptides.
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Citations
69 Claims
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1. A modified IFN-β
- polypeptide, comprising;
an amino acid modification in an unmodified IFN-β
polypeptide at positions corresponding to amino acid position L5 or L6 in the mature IFN-β
polypeptide set forth in SEQ ID NO;
1, wherein a modification is a replacement (substitution), addition, deletion, or a combination thereof, of amino acid residues; and
one or more additional amino acid modifications at another position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
- polypeptide, comprising;
Specification