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Methods and compositions for inhibiting CD32B expressing cells

  • US 9,079,960 B2
  • Filed: 08/24/2012
  • Issued: 07/14/2015
  • Est. Priority Date: 05/30/2007
  • Status: Active Grant
First Claim
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1. An anti-CD19 immunoglobulin comprising:

  • a light chain; and

    a heavy chain comprising an amino acid sequence of SEQ ID NO;

    2 and amino acid substitution(s) in the Fc region selected from L234W, L235I, L235Y, L235R, L235D, G236D, G236N, S267D, S267E, L328F, and L328Y as compared to SEQ ID NO;

    4, wherein the numbering is according to the EU index, as in Kabat.

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