NCBP3: A Multifaceted Adaptive Regulator of Gene Expression.
NCBP3: A Multifaceted Adaptive Regulator of Gene Expression.
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DOI:
10.1016/j.tibs.2020.09.003
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发表时间:
2021-03
影响因子:
13.8
通讯作者:
Maquat LE
中科院分区:
文献类型:
--
作者:
Rambout X;Maquat LE
Eukaryotic cells have divided the steps of gene expression between their nucleus and cytoplasm. Protein-encoding genes generate mRNAs in the nucleus and mRNAs undergo transport to the cytoplasm for the purpose of producing proteins. Cap-binding protein (CBP)20 and its binding partner CBP80 have been thought to constitute the cap-binding complex (CBC) that is acquired co-transcriptionally by the precursors of all mRNAs. However, this principle has recently been challenged by studies of nuclear cap-binding protein 3 (NCBP3). Here we submit how NCBP3, as an alternative to CBP20, an accessory to the canonical CBP20–CBP80 CBC, and/or an RNA-binding protein – possibly in association with the exon-junction complex (EJC) – expands the capacity of cells to regulate gene expression.
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