Tyrosine phosphorylated cleavage furrow-associated proteins (PST

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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536 235, 4353201, 435 691, C07H 2102

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06040437&

ABSTRACT:
This invention concerns new PSTPIP polypeptides which are bound by and dephosphorylated by the PEST family of protein tyrosine phosphatases. The invention specifically concerns native murine PSTPIP polypeptides and their homologues in other mammals, and their functional derivatives. The invention further relates to nucleic acids encoding these proteins, vectors containing and capable of expressing such nucleic acid, and recombinant host cells transformed with such nucleic acid. Methods for inducing the polymerization of actin monomers in eukaryotic cells and assays for identifying antagonists and agonists of the PSTPIP polypeptides of the present invention are also provided.

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