this review discusses those enas which are ribonucleoproteins ( rnps ) consisting of small rna molecules ( 80-400 nucleotides ) attached to non-histone proteins : these are called small nuclear ( sn ) or small cytoplasmic ( sc ) ribonucleoproteins according to their location in the cell and at least some are known to play an important role in nuclear metabolism .
C0035544
ribonucleoproteins
C0752106
small