Sm spliceosomal proteins
sm spliceosomal proteins
Sm and like-Sm (LSm) proteins belong to an ancient family of RNA-binding proteins represented in all three domains of life. Members of this family form ring complexes on specific sets of target RNAs and have critical roles in their biogenesis, function and turnover. These proteins are a part of several small nucleolar ribonucleoprotein complexes (snRNPs) involved in pre-mRNA splicing.