Protein
Oligoribonuclease NrnB
Organism
Bacillus subtilis (strain 168)
Function
Degrades RNA oligonucleotides with a length of 5 nucleotides in a 3'- to 5'-direction. Less active on shorter RNA oligonucleotides and on those with a length of 24 nucleotides. Prefers RNA oligonucleotides containing adenines rather than cytosines.
Sequence
MYHLYSHNDLDGVGCGIVAKLAFGKDVEIRYNSVNGLNAQVQYFLEKAKESNRQDALFITDLAVNEENEERLNEYVHAGGKVKLIDHHKTALHLNEHEWGFVQVEYDDGRLTSATSLLYGYLIENGFMKPTNALDQFTELVRQYDTWEWERYDQKQAKRLNDLFFLLSIDEFEAKMIQRLSTHDEFFFDDFEEKLLDLEDEKIERYLRRKKREMVQTFVHEHCVGIVHAESYHSELGNRLGKDNPHLDYIAILSMGSKRVSLRTIHDYIDVSEIAGRYGGGGHAKASGCSITDEVYELFVAEAFRIDPVRPDAFRNIYNLKGSANGSLYENRAQMRFFLFPLDNEWNIQINGETQDETFAAFEEAEWFIKRNYAASLVRDEVFVAFLAENLKLANQHRK