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m3G cap hypermethylation of U1 small nuclear ribonucleoprotein (snRNP) in vitro: evidence that the U1 small nuclear RNA-(guanosine-N2)-methyltransferase is a non-snRNP cytoplasmic protein that requires a binding site on the Sm core domain.
The RNA components of small nuclear ribonucleoproteins (U snRNPs) possess a characteristic 5'-terminal trimethylguanosine cap structure (m3G cap). This cap is an important component of the nuclear localization signal of U snRNPs. It arises by hypermethylation of a cotranscriptionally added m7G...
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| Autores principales: | , , |
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| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
1994
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.gov/pmc/articles/PMC358782/ https://ncbi.nlm.nih.gov/pubmed/8196654 |
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