Phosphorylation of peripherin, an intermediate filament protein, in mouse neuroblastoma NIE 115 cell line and in sympathetic neurons.

Phosphorylation of peripherin, an intermediate filament protein, in mouse neuroblastoma NIE 115 cell line and in sympathetic neurons.
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小鼠神经母细胞瘤 NIE 115 细胞系和交感神经元中外周蛋白(一种中间丝蛋白)的磷酸化。

DOI:
10.1016/0006-291x(89)92500-x
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发表时间:
1989
影响因子:
3.1
通讯作者:
M. Portier
M. Portier
中科院分区:
生物学4区
文献类型:
--
作者:
C. Huc;M. Escurat;K. Djabali;M. Derer;F. Landon;F. Gros;M. Portier

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外周蛋白是一种最近被描述的中间丝蛋白,在明确定义的神经元群体中表达。我们在小鼠神经母细胞瘤NIE 115细胞系和{32P}-正磷酸盐标记的交感神经元中研究了该蛋白的体内磷酸化。将二维聚丙烯酰胺凝胶上分离的蛋白质的自射线图与考马斯蓝染色进行比较。结果表明,外周蛋白以磷酸化和非磷酸化亚型的混合形式出现,并且这些形式在分化和非分化细胞中共存。我们通过切割独特的色氨酸残基(大多数其他中间丝蛋白(IFP)共有的特征)证明,磷酸化位点位于外周蛋白的氨基末端,就像波形蛋白和去蛋白一样。这些结果与外周素构成的丝状网络的组织有关。
Peripherin, an intermediate filament protein, described recently, is expressed in well defined neuronal populations. We studied the phophorylation,in vivo, of this protein in mouse neuroblastoma NIE 115 cell line and in sympathetic neurons labelled with {32P}-orthophosphate. The autoradiograms of proteins separated on two-dimensional polyacrylamide gels were compared with the Coomassie-blue stainings. The results show that peripherin occurs as a mixture of phosphorylated and non-phosphorylated isoforms, and that these forms coexist in both differentiated and non-differentiated cells. We demonstrate by cleavage at the unique tryptophan residue, a characteristic shared by most other intermediate filament proteins (IFP), that the phosphorylation sites are located on the amino-terminal half of peripherin as it is for vimentin and desmin. These results are discussed in relation to the organization of the filamentous network constituted by peripherin.
哺乳动物神经丝的磷酸盐含量。
DOI: --
发表时间: 1982
期刊: The Journal of biological chemistry
影响因子: --
作者:
Jones,SM;WilliamsJr,RC
通讯作者: WilliamsJr,RC
DOI: --
发表时间: 1984
期刊: The Journal of biological chemistry
影响因子: --
作者:
Wong,J;Hutchison,SB;Liem,RK
通讯作者: Liem,RK
DOI: --
发表时间: 1985
期刊: The Journal of biological chemistry
影响因子: --
作者:
Carden,MJ;Schlaepfer,WW;Lee,VM
通讯作者: Lee,VM
一种在十二烷基硫酸钠-聚丙烯酰胺凝胶中使用 N-氯代琥珀酰亚胺/尿素和肽银染色进行部分肽图谱分析的新方法。
DOI: 10.1016/0003-2697(82)90203-2
发表时间: 1982
影响因子: 2.9
作者:
Lischwe,MA;Ochs,D
通讯作者: Ochs,D