Definition: This ribonucleoprotein particle, composed of U7 snRNA, Sm core protein, and U7 snRNP-specific proteins, is involved in the 3'end processing of histone premessenger RNAs.
Other names snRNP, U7; U7 snRNP; U7 Small Nuclear Ribonucleoproteins; Small Nuclear Ribonucleoproteins, U7