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Modified animal erythropoietin polypeptides and their uses

  • US 8,278,418 B2
  • Filed: 09/25/2009
  • Issued: 10/02/2012
  • Est. Priority Date: 09/26/2008
  • Status: Expired due to Fees
First Claim
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1. A feline erythropoietin (fEPO) polypeptide comprising a non-naturally encoded amino acid substituted at position 1 of SEQ ID NO:

  • 2,wherein the non-naturally encoded amino acid is para-acetylphenylalanine, andwherein the non-naturally encoded amino acid is linked to a water soluble polymer comprising a poly(ethylene) glycol moiety.

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