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Dual specific binding proteins directed against IL-13 and IL-17

  • US 9,120,870 B2
  • Filed: 12/28/2012
  • Issued: 09/01/2015
  • Est. Priority Date: 12/30/2011
  • Status: Active Grant
First Claim
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1. A binding protein comprising first and second polypeptide chains, each independently comprising VD1-(X1)n-VD2-C-(X2)n, whereinVD1 is a first antibody variable domain;

  • VD2 is a second antibody variable domain;

    C is an antibody constant domain;

    X1 is a linker;

    X2 is an antibody Fc region; and

    n is 0 or 1;

    wherein the VD1 domains on the first and second polypeptide chains form a first functional target binding site and the VD2 domains on the first and second polypeptide chains form a second functional target binding site, and wherein the binding protein binds IL-13 and IL-17, wherein(a) the variable domains that form a functional target binding site for IL-13 comprise the amino acid sequences of SEQ ID NO;

    32 and SEQ ID NO;

    33, and(b) the variable domains that form a functional target binding site for IL-17 comprise the amino acid sequences ofSEQ ID NO;

    36 and SEQ ID NO;

    37,SEQ ID NO;

    38 and SEQ ID NO;

    39,SEQ ID NO;

    40 and SEQ ID NO;

    41,SEQ ID NO;

    42 and SEQ ID NO;

    52,SEQ ID NO;

    42 and SEQ ID NO;

    53,SEQ ID NO;

    43 and SEQ ID NO;

    50,SEQ ID NO;

    44 and SEQ ID NO;

    51,SEQ ID NO;

    45 and SEQ ID NO;

    54,SEQ ID NO;

    46 and SEQ ID NO;

    51,SEQ ID NO;

    47 and SEQ ID NO;

    54,SEQ ID NO;

    48 and SEQ ID NO;

    51, orSEQ ID NO;

    49 and SEQ ID NO;

    51.

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