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Dual specific binding proteins directed against IL-1β and/or IL-17

  • US 8,987,418 B2
  • Filed: 07/03/2014
  • Issued: 03/24/2015
  • Est. Priority Date: 03/15/2013
  • 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, whereinVD1 is a first variable domain;

  • VD2 is a second variable domain;

    C is a constant domain;

    X1 is a linker;

    X2 is an Fc region that is either present or absent;

    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 is capable of binding IL-1β and

    IL-17, wherein(i) the variable domains that form a functional target binding site for IL-1β

    comprise;

    CDRs 1-3 from SEQ ID NO;

    32 and CDRs 1-3 from SEQ ID NO;

    33,CDRs 1-3 from SEQ ID NO;

    34 and CDRs 1-3 from SEQ ID NO;

    35,CDRs 1-3 from SEQ ID NO;

    36 and CDRs 1-3 from SEQ ID NO;

    37,CDRs 1-3 from SEQ ID NO;

    38 and CDRs 1-3 from SEQ ID NO;

    39, orCDRs 1-3 from SEQ ID NO;

    40 and CDRs 1-3 from SEQ ID NO;

    41;

    and(ii) the variable domains that form a functional target binding site for IL-17 comprise CDRs 1-3 from SEQ ID NO;

    44 and CDRs 1-3 from SEQ ID NO;

    45.

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