Biologically active polypeptides based on transforming growth factor-.beta.
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United States of America Patent
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Jun 2, 1992
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N/A
app pub date -
Jun 13, 1991
filing date -
May 25, 1989
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Abstract
A polypeptide is provided that excludes (a) a full-length mature TGF-.beta. molecule or precursor TGF-.beta. molecule or deletion variants of mature or precursor TGF-.beta.molecules in which from about 1 to 10 amino acid residues have been delected, (b) a polypeptide of the sequence: Cys-Val-Arg-Gln-Leu-Tyr-Ile-Asp-Phe-Arg-Lys-Asp-Leu-Gly-Trp-Lys, and (c) a polypeptide of the sequence: Arg-Asn -Leu-Glu-Glu-Asn-Cys-Cys-Val-Arg-Pro-Leu-Tyr-Ile-Asp-Phe-Arg-Gln-Asp-Leu, said polypeptide comprising an amino acid sequence that is based on conserved sequences in the family of TGF-.beta. molecules. Such polypeptides are particularly useful therapeutically as immunosuppressive agents when coupled to carrier proteins or crosslinked to form polymers.
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