3.1.26.8 5S precursor rRNA + H2O enzyme is responsible for maturation of 5S rRNA 3.1.26.8 5S precursor rRNA + H2O 5S rRNA maturation 3.1.26.8 5S rRNA precursor + H2O responsible for terminal maturation of 5S rRNA 3.1.26.8 additional information the enzyme is highly conserved among G + C Gram-positive bacteria, phylogenetic distribution