It is known as a small nucleolar RNA (snoRNA) and also often referred to as a guide RNA. SNORD19 belongs to the C/D box class of snoRNAs which contain the conserved sequence motifs known as the C box (UGAUGA) and the D box (CUGA).
It is classified as a small nucleolar RNA (snoRNA) and frequently designated as a guide RNA. SNORD19 belongs to the group of snoRNAs that possess specific, repeated sequences known as the C box (UGAUGA) and the D box (CUGA).