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Glycoprotein tyrosine phosphorylation in Rous sarcoma virus-transformed chicken embryo fibroblasts.

机译:劳斯肉瘤病毒转化鸡胚成纤维细胞中糖蛋白酪氨酸磷酸化。

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The level of tyrosine phosphorylation of cellular glycoproteins isolated by wheat germ agglutinin chromatography in cells infected with a variety of kinase-positive/transformation-defective src mutants was examined in an effort to identify cellular membrane proteins whose phosphorylation correlates with phenotypic transformation. We have identified two glycoproteins, with molecular masses of 95 and 135 kilodaltons, whose phosphorylation correlates with morphological transformation, growth in soft agar, and an increase in the rate of 2-deoxyglucose uptake. The strong correlation obtained between transformation and phosphorylation of these proteins suggests that they may be substrates for pp60src which are important in the process of transformation.
机译:通过小麦胚芽凝集素层析分离的细胞糖蛋白的酪氨酸磷酸化水平在被多种激酶阳性/转化缺陷型src突变体感染的细胞中进行了研究,以鉴定其磷酸化与表型转化相关的细胞膜蛋白。我们已经确定了两种糖蛋白,分子量分别为95和135千道尔顿,它们的磷酸化与形态转化,软琼脂的生长以及2-脱氧葡萄糖摄取率的增加有关。这些蛋白质的转化和磷酸化之间获得了很强的相关性,表明它们可能是pp60src的底物,在转化过程中很重要。

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