sentences:  Small nucleolar SNORD12/SNORD106
  
  In molecular biology, the small nucleolar RNAs SNORD106 and SNORD12 (also known as U106 and HBII-99 respectively ) are two related snoRNAs which belongs to the C/D class of small nucleolar RNAs (snoRNAs).Both contain the conserved C (UGAUGA) and D (CUGA) box sequence motifs
  
  Human SNORD12 (HBII-99) is the homologue of mouse snoRNA MBII-99.