نتایج جستجو برای: phosphoprotein gene
تعداد نتایج: 1144108 فیلتر نتایج به سال:
PTEN/MMAC1 is a tumor suppressor gene that is mutated in a variety of cancers. PTEN encodes a phosphatase that recognizes phosphoprotein substrates and the phospholipid, phosphatidylinositol-3,4,5-triphosphate. PTEN inhibited cell growth and/or colony formation in all of the epithelial lines tested with one exception. The decrease in cellular proliferation was associated with an induction of ap...
Marek's disease virus has a unique phosphoprotein, pp38, which is suspected to play an important role in Marek's disease pathogenesis. The objective of the present study was to utilize a mutant virus lacking the pp38 gene (rMd5Deltapp38) to better characterize the biological function of pp38. This work shows that the pp38 gene is necessary to establish cytolytic infection in B cells but not in ...
Our laboratory has reported that two major noncollagenous dentin proteins, dentin sialoprotein and dentin phosphoprotein, are specific cleavage products of a larger precursor protein termed dentin sialophosphoprotein (MacDougall, M., Simmons, D., Luan, X., Nydegger, J., Feng, J. Q., and Gu, T. T. (1997) J. Biol. Chem. 272:835-842). To confirm our single gene hypothesis and initiate in vitro pro...
An acidic nucleolar phosphoprotein with a subunit M(r) of 70,000 was purified as an apparent dimer of 139,000 from isolated nuclei of the slime mold Physarum polycephalum. The protein was purified without the aid of strong dissociating agents after its selective phosphorylation in isolated nuclei by a polyamine-mediated reaction. Its amino acid composition resembled that of a nucleolar phosphop...
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