| 摘要 |
An antibody is provided that is specific for a PTPH1 protein, a phosphatase that dephosphorylates phosphotyrosine residues in phosphoproteins having tyrosyl residues that are phosphorylated by tyrosine kinases. The PTPH1 protein localizes to focal adhesions, a major site of action for oncogenic protein tyrosine kinases. PTPH1 overexpression may counter the effects of oncogenic protein tyrosine kinases, such as those of transforming viruses, by interfering with or reversing cell transformation that is associated with the activity of a protein tyrosine kinase.
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