CPC C07K 14/335 (2013.01) [C12N 15/74 (2013.01); C07K 2319/02 (2013.01)] | 17 Claims |
1. A polypeptide comprising from the N-terminus, a first polypeptide of isolated signal polypeptide having the amino acid sequence of SEQ ID NO:2, and a second polypeptide of a protein, which is heterologous to the isolated signal polypeptide.
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