Accepted name: polynucleotide 5′-phosphatase
Reaction: a 5′-phosphopolynucleotide + H2O = a polynucleotide + phosphate
Other name(s): 5′-polynucleotidase
Systematic name: polynucleotide 5′-phosphohydrolase
Comments: Does not act on nucleoside monophosphates. Induced in Escherichia coli by T-even phages.
1.  Becker, A. and Hurwitz, J. The enzymatic cleavage of phosphate termini from polynucleotides. J. Biol. Chem. 242 (1967) 936–950. [PMID: 4289819]
[EC created 1972]