3.1.13.1	exoribonuclease II	-	
3.1.13.2	exoribonuclease H	-	
3.1.13.3	oligonucleotidase	-	
3.1.13.4	poly(A)-specific ribonuclease	-	
3.1.13.5	ribonuclease D	-	
3.1.13.B1	5'-3' exoribonuclease	preliminary BRENDA-supplied EC number