U2 SMALL NUCLEAR RIBONUCLEOPROTEINS
\jˈuː tˈuː smˈɔːl njˈuːkli͡ə ɹˈɪbənjˌuːklɪˌɒpɹə͡ʊtˌiːnz], \jˈuː tˈuː smˈɔːl njˈuːkliə ɹˈɪbənjˌuːklɪˌɒpɹəʊtˌiːnz], \j_ˈuː t_ˈuː s_m_ˈɔː_l n_j_ˈuː_k_l_iə ɹ_ˈɪ_b_ə_n_j_ˌuː_k_l_ɪ__ˌɒ_p_ɹ_əʊ_t_ˌiː_n_z]\
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A nuclear RNA-protein complex that plays a role in RNA processing. In the nucleoplasm, the U2 snRNP along with other small nuclear ribonucleoproteins (U1, U4-U6, and U5) assemble into SPLICEOSOMES that remove introns from pre-mRNA by splicing. The U2 snRNA forms 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.
By DataStellar Co., Ltd
