The function of ENSG00000147592 (LACTB2, lactamase beta 2) is as follows. Endoribonuclease; cleaves preferentially 3' to purine- pyrimidine dinucleotide motifs in single-stranded RNA. The cleavage product contains a free 3' -OH group. Has no activity with double- stranded RNA or DNA. Required for normal mitochondrial function and cell viability. .