| 摘要 |
<p>Disclosed is a method of producing an immunoglobulin heavy chain variable domain polypeptide comprising: culturing a host cell which has been transformed with a polynucleotide molecule encoding said immunoglobulin heavy chain variable domain polypeptide under conditions to express said immunoglobulin heavy chain variable domain polypeptide wherein said polynucleotide molecule comprises a nucleic acid encoding a GAS1 secretion signal peptide operably linked to the immunoglobulin heavy chain variable domain polypeptide.</p> |
