cation binding | nucleic acid binding | pre-mRNA 5'-splice site binding | pre-mRNA binding | ion binding | organic cyclic compound binding | zinc ion binding | transition metal ion binding | metal ion binding | heterocyclic compound binding | RNA binding
RNA metabolic process | RNA processing | regulation of mRNA processing | cellular process | regulation of cellular process | regulation of metabolic process | spliceosomal complex assembly | regulation of mRNA splicing, via spliceosome | spliceosomal snRNP assembly | organic cyclic compound metabolic process | cellular aromatic compound metabolic process | cellular component organization | RNA splicing | RNA splicing, via transesterification reactions | cellular nitrogen compound metabolic process | cellular component assembly | mRNA metabolic process | mRNA cis splicing, via spliceosome | nitrogen compound metabolic process | mRNA 5'-splice site recognition | regulation of gene expression | regulation of nitrogen compound metabolic process | cellular protein-containing complex assembly | regulation of alternative mRNA splicing, via spliceosome | mRNA splice site selection | regulation of cellular metabolic process | regulation of RNA metabolic process | protein-containing complex assembly | metabolic process | regulation of RNA splicing | nucleobase-containing compound metabolic process | organic substance metabolic process | gene expression | ribonucleoprotein complex assembly | heterocycle metabolic process | ribonucleoprotein complex biogenesis | cellular metabolic process | mRNA processing | mRNA splicing, via spliceosome | macromolecule metabolic process
intracellular membrane-bounded organelle | U1 snRNP | small nuclear ribonucleoprotein complex | cell | spliceosomal snRNP complex | commitment complex | intracellular organelle | protein-containing complex | U2-type spliceosomal complex | ribonucleoprotein complex | spliceosomal complex | membrane-bounded organelle | nucleus | organelle | intracellular