蛋白質(zhì)分選下ppt課件-展示頁(yè)
2024-12-17 05:52本頁(yè)面
【正文】 Require energy expenditure saturated dynamic ? Transport is double direction Import and export Mechanism of export from nucleus Most of traffic moving out of nucleus consists of different types of RNA molecules RNA moves through nuclear pore as plex of ribonucleoprotein (RNP):核糖核蛋白顆粒 Protein ponent of RNP contains a nuclear export signal (NES) that is recognised by export proteins mRNA is bound by hnRNP only after fully spliced so only mature RNA is exported nuclear RNA and protein export ◆ mRNA export ● 核內(nèi)不均一核糖核蛋白 (heterogeneous
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