See Also: ribonucleoproteins, small, u1(medicine)
ribonucleoproteins, small, u5(medicine)
ribonucleoproteins, small, u2(medicine)
ribonucleoproteins, small, u4-u6(medicine)
ribonucleoproteins, small nuclear(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
ribonucleoproteins(medicine)
Small-capitalization (small cap) stocks(money)
Small-capitalization (small-cap) fund(money)
Small capitalization (small cap) fund(finance)

ribonucleoproteins, small, u2 (medicine)


ribonucleoproteins, small, u2


A nuclear RNA-protein complex that plays a role in RNA processing. In the nucleoplasm, the u2 snrnp along with other small ribonucleoproteins (u1, u4-u6, and u5) assemble into spliceosomes that remove introns from pre-mRNA by splicing. The u2 snrnp base pairs with conserved sequence motifs at the branch point, which associates with a heat- and rnaase-sensitive factor in an early step of splicing.