Structural highlights 
  Function 
EXRBN_MYCTU Exonuclease that cleaves single-stranded 3' overhangs of double-stranded RNA. Has no activity with 5' overhangs. Has negligible endonuclease activity. Can bind ATP, dATP and AMP (in vitro); the nucleotide occupies the predicted substrate binding site.[1] 
  References 
- ↑ Abendroth J, Ollodart A, Andrews ES, Myler PJ, Staker BL, Edwards TE, Arcus VL, Grundner C. Mycobacterium tuberculosis Rv2179c establishes a new exoribonuclease family with  broad phylogenetic distribution. J Biol Chem. 2013 Dec 4. PMID:24311791 doi:http://dx.doi.org/10.1074/jbc.M113.525683