is encoded by small cytoplasmic RNA (scRNA) gene small cytoplasmic RNA (scRNA) A small cytoplasmic RNA (scRNA) molecule is a small (7S; 129 nucleotides) RNA molecule found in the cytosol and rough endoplasmic reticulum that are normally associated with proteins that are involved in specific selection and transport of other proteins. SIO_001231 scRNA non-protein coding RNA (ncRNA)