cDNA clones coding for polypeptides exhibiting murine interleukin-2 activity
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United States of America Patent
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Jan 17, 1989
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app pub date -
Dec 17, 1986
filing date -
Oct 5, 1984
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Abstract
Plasmid vectors are provided that carry complementary DNA (cDNA) clones cng for polypeptides exhibiting murine interleukin-2 activity. One of these polypeptides is 168 amino acids in length, including a potential leader sequence of about 19 amino acids. The cDNA is derived from messenger RNA isolated from a mouse T-cell line after activation with concanavalin A. The cDNA was cloned by incorporation into a plasmid vector, which is then transformed into E. coli. The plasmid vector also contained DNA segments from the SV40 virus, permitting expression of the cDNA after transfection into a mammalian host cell, such as monkey COS-7 cells.
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