Definitions for ribonucleoprotein, u1 small nuclear

This page provides all possible meanings and translations of the word ribonucleoprotein, u1 small nuclear

U.S. National Library of Medicine

  1. Ribonucleoprotein, U1 Small Nuclear

    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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