Protein
3'-5' exoribonuclease Rv2179c
Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Function
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.
Sequence
MRYFYDTEFIEDGHTIELISIGVVAEDGREYYAVSTEFDPERAGSWVRTHVLPKLPPPASQLWRSRQQIRLDLEEFLRIDGTDSIELWAWVGAYDHVALCQLWGPMTALPPTVPRFTRELRQLWEDRGCPRMPPRPRDVHDALVDARDQLRRFRLITSTDDAGRGAAR