Definition: Highly conserved nuclear RNA-protein complexes that function in RNA processing in the nucleus, including pre-mRNA splicing and pre-mRNA 3'-end processing in the nucleoplasm, and pre-rRNA processing in the nucleolus (see RIBONUCLEOPROTEINS, SMALL NUCLEOLAR).
Other names snRNP; Small Nuclear Ribonucleoproteins; Ribonucleoprotein, Small Nuclear; RNP, Small Nuclear; Nuclear Ribonucleoproteins, Small; Nuclear Ribonucleoprotein, Small; Nuclear RNP, Small; Small Nuclear Ribonucleoprotein Particle; Small Nuclear Ribonucleoprotein; Small Nuclear RNP