RNA stem-loop binding | nucleic acid binding | protein-containing complex binding | snRNP binding | ribonucleoprotein complex binding | identical protein binding | organic cyclic compound binding | protein binding | U1 snRNA binding | snRNA binding | snRNA stem-loop binding | U1 snRNP binding | heterocyclic compound binding | RNA binding
RNA metabolic process | RNA processing | regulation of mRNA polyadenylation | regulation of mRNA processing | cellular process | regulation of cellular process | regulation of metabolic process | organic cyclic compound metabolic process | cellular aromatic compound metabolic process | RNA splicing | RNA splicing, via transesterification reactions | cellular nitrogen compound metabolic process | mRNA metabolic process | nitrogen compound metabolic process | regulation of gene expression | regulation of mRNA 3'-end processing | regulation of nitrogen compound metabolic process | regulation of cellular metabolic process | regulation of RNA metabolic process | metabolic process | nucleobase-containing compound metabolic process | organic substance metabolic process | gene expression | heterocycle metabolic process | cellular metabolic process | mRNA processing | mRNA splicing, via spliceosome | macromolecule metabolic process
intracellular membrane-bounded organelle | U1 snRNP | small nuclear ribonucleoprotein complex | cell | nuclear lumen | spliceosomal snRNP complex | intracellular organelle | protein-containing complex | nucleoplasm | ribonucleoprotein complex | spliceosomal complex | membrane-bounded organelle | nucleus | organelle | membrane-enclosed lumen | intracellular