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Multichain polypeptides or proteins and processes for their production

  • US 4,816,397 A
  • Filed: 11/14/1984
  • Issued: 03/28/1989
  • Est. Priority Date: 03/25/1983
  • Status: Expired due to Term
First Claim
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1. A process for producing an Ig molecule or an immunologially functional Ig fragment comprising at least the variable domains of the Ig heavy and light chains, in a single host cell, comprising the steps of:

  • (i) transforming said single host cell with a first DNA sequence encoding at least the variable domain of the Ig heavy chain and a second DNA sequence encoding at least the variable domain of the Ig light chain, and(ii) independently expessing said first DNA sequence and said second DNA sequence so that said Ig heavy and light chains are produced as separate molecules in said transformed single host cell.

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