ID 3.1.3.33 DE polynucleotide 5'-phosphatase. AN 5'-polynucleotidase. AN Polynucleotide 5'-triphosphatase. CA a 5'-end triphospho-(purine-ribonucleoside) in mRNA + H2O = a 5'-end CA diphospho-(purine-ribonucleoside) in mRNA + H(+) + phosphate. CC -!- Does not act on nucleoside monophosphates. CC -!- Induced in Escherichia coli by T-even phages. DR A0A7H0DN85, MCEL_MONPV ; //