三类核输入信号与植物细胞核结合。
Three classes of nuclear import signals bind to plant nuclei.
作者信息
Hicks G R, Smith H M, Shieh M, Raikhel N V
机构信息
Michigan State University-Department of Energy, Plant Research Laboratory, East Lansing 48824-1312, USA.
出版信息
Plant Physiol. 1995 Apr;107(4):1055-8. doi: 10.1104/pp.107.4.1055.
Abstract
Three nuclear localization signals (NLS), including an unusual Mat alpha 2-like NLS from maize (Zea mays) R, were found to compete for binding to plant nuclei. In addition, the authentic yeast Mat alpha 2 NLS, which does not function in mammals, was shown to function in plants in vivo. Our results indicate that plants possess a site at the nuclear pore complex that recognizes the three known classes of NLSs.
摘要
研究发现，三种核定位信号（NLS），包括来自玉米（Zea mays）R的一种不同寻常的类似Mat alpha 2的NLS，能够竞争与植物细胞核的结合。此外，在哺乳动物中不起作用的正宗酵母Mat alpha 2 NLS在植物体内具有功能。我们的结果表明，植物在核孔复合体上拥有一个能识别三类已知NLS的位点。
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