| 单词 | Ribonucleoprotein,U1 Small Nuclear |
| 释义 | Ribonucleoprotein,U1 Small Nuclear《英文msh词典》Ribonucleoprotein,U1 Small Nuclear [主题词] Ribonucleoprotein,U1 Small Nuclear [同义词] Small Nuclear Ribonucleoproteins,U1 [同义词] U1 Small Nuclear Ribonucleoproteins [同义词] U1 snRNP [入口词] Ribonucleoproteins,Small,U1 [中文释义] 核糖核蛋白,U1小核 [英文释义] A nuclear RNA-protein complex that plays a role in RNA processing. In the nucleoplasm,the U1 snRNP along with other small nuclear ribonucleoproteins (U2,U4-U6,and U5) assemble into SPLICEOSOMES that remove introns from pre-mRNA by splicing. The U1 snRNA forms base pairs with conserved sequence motifs at the 5'-splice site and recognizes both the 5'- and 3'-splice sites and may have a fundamental role in aligning the two sites for the splicing reaction. |
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