Coding gene and preparation method of recombinant porcine alpha interferon/interleukin 2 fusion protein

The invention relates to the technical field of gene engineering, in particular to a coding gene and a preparation method of a recombinant porcine alpha interferon/interleukin 2 fusion protein. The invention provides a coding gene of a recombinant porcine alpha interferon/interleukin 2 fusion protein. The nucleotide sequence of the coding gene is shown as SEQ ID NO.1. The invention also provides a preparation method of the recombinant porcine alpha interferon/interleukin 2 fusion protein. The coding gene of the recombinant porcine interferon-alpha/interleukin 2 fusion protein can realize efficient and soluble expression in escherichia coli, and the soluble recombinant porcine interferon-alpha/interleukin 2 fusion protein is prepared; the purified recombinant porcine alpha interferon/interleukin 2 fusion protein has high biological activity on different cell lines, the virus proliferation inhibition activity of the recombinant porcine alpha interferon/interleukin 2 fusion protein is remarkably higher than that