Substitution of Ser-17 of pp60c-src: biological and biochemical characterization in chicken embryo fibroblasts

Substitution of Ser-17 of pp60c-src: biological and biochemical characterization in chicken embryo fibroblasts
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pp60c-src 的 Ser-17 替代:鸡胚成纤维细胞的生物学和生化特征

DOI:
10.1128/mcb.8.4.1826-1830.1988
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发表时间:
1988
影响因子:
5.3
通讯作者:
T. Takeya
T. Takeya
中科院分区:
生物学2区
文献类型:
--
作者:
Y. Hirota;J. Kato;T. Takeya

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pp 60 c-src在体内主要在Ser-17和Tyr-527上磷酸化。在这项研究中,我们通过将携带pp 60 c-src(其中Ser-17已被取代)的劳斯肉瘤病毒变体引入鸡胚成纤维细胞,研究了Ser-17磷酸化对pp 60 c-src特性的影响。野生型pp 60 c-src和pp 60 c-src携带Phe-527的Ala-17取代导致这些蛋白质的体外激酶活性升高2 - 3倍;前一种变体导致感染细胞没有形态学变化,而后一种变体转化了鸡胚成纤维细胞。由于Tyr-527本身的取代已被报道激活pp 60 c-src,这些结果表明Ser-17磷酸化的消除不会显著影响鸡胚成纤维细胞中pp 60 c-src的性质。
pp60c-src is phosphorylated mainly on Ser-17 and Tyr-527 in vivo. In this study, we examined the effect of the phosphorylation of Ser-17 on the properties of pp60c-src by introducing Rous sarcoma virus variants carrying pp60c-src in which Ser-17 had been substituted, into chicken embryo fibroblasts. The Ala-17 substitution in wild-type pp60c-src and pp60c-src carrying Phe-527 caused a two- to threefold elevation in the kinase activity in vitro of these proteins; the former variant resulted in no morphological changes of infected cells, whereas the latter variant transformed chicken embryo fibroblasts. Since the substitution of Tyr-527 per se has been reported to activate pp60c-src, these results suggest that the abolishment of the phosphorylation of Ser-17 does not affect noticeably the properties of pp60c-src in chicken embryo fibroblasts.
DOI: 10.1002/j.1460-2075.1987.tb02512.x
发表时间: 1987
期刊: The EMBO journal
影响因子: --
作者:
Reynolds,AB;Vila,J;Lansing,TJ;Potts,WM;Weber,MJ;Parsons,JT
通讯作者: Parsons,JT
DOI: 10.1126/science.2420005
发表时间: 1986-03-21
期刊: SCIENCE
影响因子: 56.9
作者:
COOPER, JA;GOULD, KL;HUNTER, T
通讯作者: HUNTER, T
与多瘤病毒中型肿瘤抗原相关的 pp60c-src 分子氨基末端结构域内的酪氨酸磷酸化。
DOI: 10.1073/pnas.82.14.4568
发表时间: 1985
影响因子: 11.1
作者:
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通讯作者: Israel,MA
DOI: 10.1073/pnas.78.10.6013
发表时间: 1981-01-01
期刊: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES
影响因子: --
作者:
SMART, JE;OPPERMANN, H;BISHOP, JM
通讯作者: BISHOP, JM